| abieticola, Cortinarius | Agaricales : Cortinariaceae | 13 |
| abietina, Hemitrichia | Eumyxomycètes | 1 |
| abietina, Otidea | Ascomycètes | 2 |
| abietina, Ramaria | Gomphales | 42 |
| abietina, Russula | Russulales : Russulaceae | 47 |
| abietinum, Trichaptum | Polyporales | 6 |
| abietis, Heyderia | Ascomycètes | 2 |
| abjecta, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| abortivum, Entoloma | Agaricales : Entolomataceae | 16 |
| abramsii, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| abrupta, Amanita | Agaricales : Amanitaceae | 9 |
| abruptibulbus, Agaricus | Agaricales : Agaricaceae | 8 |
| abundans, Trichophaea | Ascomycètes | 2 |
| acadiensis, Resinomycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| acerbum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| acericola, Agrocybe | Agaricales : Strophariaceae | 30 |
| acerinum, Rhytisma | Ascomycètes | 2 |
| acerosa, Arrhenia | Agaricales : Pterulaceae-Typhulaceae | 29 |
| acervatus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| acetabulum, Helvella | Ascomycètes | 2 |
| acetolens, Russula | Russulales : Russulaceae | 47 |
| acicula, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| acicularis, Cudoniella | Ascomycètes | 2 |
| acidus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| acre, Tricholoma | Agaricales : Tricholomataceae | 31 |
| acriolens, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| acrisiccescens, Ramaria | Gomphales | 42 |
| acuminatum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| acuminatus, Panaeolus | Agaricales : Bolbitiaceae | 11 |
| acutoconica, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| acutoconica, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| acutus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| adhaerens, Neolentinus | Gloeophyllales | 41 |
| adirondackensis, Pholiota | Agaricales : Strophariaceae | 30 |
| admirabilis, Polyporus | Polyporales | 6 |
| adnatifolia, Cystodermella | Agaricales : Agaricaceae | 8 |
| adonis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| adusta, Bjerkandera | Polyporales | 6 |
| adusta, Russula | Russulales : Russulaceae | 47 |
| adustum, Mycorrhaphium | Polyporales | 6 |
| aequalis, Stemonitopsis | Eumyxomycètes | 1 |
| aeruginascens, Chlorociboria | Ascomycètes | 2 |
| aeruginea, Russula | Russulales : Russulaceae | 47 |
| aeruginosa, Chlorociboria | Ascomycètes | 2 |
| aeruginosa, Stropharia | Agaricales : Strophariaceae | 30 |
| aeruginosus, Gymnopilus | Agaricales : Strophariaceae | 30 |
| aestuans, Tricholoma | Agaricales : Tricholomataceae | 31 |
| aff, Cortinarius | Agaricales : Cortinariaceae | 13 |
| aff., Entoloma | Agaricales : Entolomataceae | 16 |
| aff., Phellinus | Hymenochaetales | 7 |
| affine, Xanthoconium | Boletales : Boletaceae & Paxillaceae | 33 |
| affinis, Arcyria | Eumyxomycètes | 1 |
| affinis, Lactarius | Russulales : Russulaceae | 47 |
| agardhii, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| agaricoides, Chlorophyllum | Agaricales : Agaricaceae | 8 |
| agassizii, Lachnellula | Ascomycètes | 2 |
| agathosmus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| agglutinata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| agglutinatus, Lactarius | Russulales : Russulaceae | 47 |
| agrariella, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| albatus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| albellum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| albescens, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| albiceps, Amanita | Agaricales : Amanitaceae | 9 |
| albiceps, Neocudoniella | Ascomycètes | 2 |
| albida, Antrodia | Polyporales | 6 |
| albidula, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| albidula, Russula | Russulales : Russulaceae | 47 |
| albidulum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| albidum, Entoloma | Agaricales : Entolomataceae | 16 |
| albidus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| albipilatus, Strobilurus | Agaricales : Physalacriaceae | 25 |
| albissimus, Leucopaxillus | Agaricales : Tricholomataceae | 31 |
| albissimus, Leucopaxillus | Agaricales : Tricholomataceae | 31 |
| alboater, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| albobrunnea, Antrodia | Polyporales | 6 |
| albocreata, Amanita | Agaricales : Amanitaceae | 9 |
| albocrenulata, Hemistropharia | Agaricales : Strophariaceae | 30 |
| albodisca, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| alboflavida, Melanoleuca | Agaricales : Tricholomataceae | 31 |
| albofuscus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| albogriseum, Entoloma | Agaricales : Entolomataceae | 16 |
| albolutescens, Anomoloma | Polyporales | 6 |
| alboluteus, Pycnoporellus | Polyporales | 6 |
| albonigra, Russula | Russulales : Russulaceae | 47 |
| albonitens, Stropharia | Agaricales : Strophariaceae | 30 |
| alborufescens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| albotomentosum, Entoloma | Agaricales : Entolomataceae | 16 |
| alboviolaceus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| alcalina, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| alcaliniformis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| alcalinolens, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| alcis, Stropharia | Agaricales : Strophariaceae | 30 |
| alexandri, Clitocybe | Agaricales : Tricholomataceae | 31 |
| alexandri, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| algeriensis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| alkalivirens, Gymnopus | Agaricales : Omphalotaceae | 24 |
| allospora, Galerina | Agaricales : Hymenogastraceae | 20 |
| alni, Postia | Polyporales | 6 |
| alnicola, Flammula | Agaricales : Hymenogastraceae | 20 |
| alphitophora, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| alpina, Amyloporia | Polyporales | 6 |
| alpina, Guepiniopsis | Trémelles et analogues | 4 |
| alpinus, Lactarius | Russulales : Russulaceae | 47 |
| alutacea, Otidea | Ascomycètes | 2 |
| alutacea, Russula | Russulales : Russulaceae | 47 |
| alutacea, Skeletocutis | Polyporales | 6 |
| alutaceum, Podostroma | Ascomycètes | 2 |
| alutaria, Hyphodontia | Hymenochaetales | 7 |
| alveolaris, Polyporus | Polyporales | 6 |
| amabilissima, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| amarescens, Naucoria | Agaricales : Hymenogastraceae | 20 |
| ambigua, Gyromitra | Ascomycètes | 2 |
| amentacea, Ciboria | Ascomycètes | 2 |
| americana, Auricularia | Trémelles et analogues | 4 |
| americana, Clitocybe | Agaricales : Tricholomataceae | 31 |
| americana, Hypocrea | Ascomycètes | 2 |
| americana, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| americanum, Hericium | Russulales : Hericiaceae | 46 |
| americanum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| americanum, Rhytisma | Ascomycètes | 2 |
| americanus, Clavariadelphus | Gomphales | 42 |
| americanus, Flaviporus | Polyporales | 6 |
| americanus, Leucoagaricus | Agaricales : Agaricaceae | 8 |
| americanus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| amerifulva, Amanita | Agaricales : Amanitaceae | 9 |
| amerirubescens, Amanita | Agaricales : Amanitaceae | 9 |
| amerirubescens, Amanita | Agaricales : Amanitaceae | 9 |
| amethystina, Clavulina | Cantharellales : Clavulinaceae | 38 |
| amethystina, Laccaria | Agaricales : Hydnangiaceae | 18 |
| amianthinum, Cystoderma | Agaricales : Agaricaceae | 8 |
| amicta, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| amoenoides, Russula | Russulales : Russulaceae | 47 |
| amoenolens, Russula | Russulales : Russulaceae | 47 |
| amorpha, Skeletocutis | Polyporales | 6 |
| amorphus, Aleurodiscus | Corticiaceae s.l. | 5 |
| amygdaloides, Russula | Russulales : Russulaceae | 47 |
| amylodextrinoidea, Perenniporia | Polyporales | 6 |
| anatinum, Entoloma | Agaricales : Entolomataceae | 16 |
| androsaceus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| aneirinus, Radulodon | Polyporales | 6 |
| angelesianus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| angulatus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| angustata, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| angustifolia, Clitocybe | Agaricales : Tricholomataceae | 31 |
| angustifolia, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| angustipes, Pholiota | Agaricales : Strophariaceae | 30 |
| angustispora, Hemimycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| annosum, Heterobasidion | Polyporales | 6 |
| annulatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| anomalochrascens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| anomalus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| anthocephala, Thelephora | Thelephorales | 49 |
| anthracinus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| anthracinus, Elaphomyces | Ascomycètes | 2 |
| anthracophila, Tephrocybe | Agaricales : Lyophyllaceae | 21 |
| apala, Conocybe | Agaricales : Bolbitiaceae | 11 |
| apiculata, Ramaria | Gomphales | 42 |
| appalachiensis, Cantharellus | Cantharellales : Cantharellaceae | 37 |
| appalachiensis, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| appendiculata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| applanatum, Ganoderma | Polyporales | 6 |
| applanatus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| applicatus, Resupinatus | Agaricales : Biannulariaceae-Resupinataceae | 10 |
| approximans, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| aprile, Entoloma | Agaricales : Entolomataceae | 16 |
| aprilis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| aquizonatus, Lactarius | Russulales : Russulaceae | 47 |
| aquosa, Russula | Russulales : Russulaceae | 47 |
| araiospora, Ramaria | Gomphales | 42 |
| araneosum, Entoloma | Agaricales : Entolomataceae | 16 |
| arctica, Stropharia | Agaricales : Strophariaceae | 30 |
| arcularius, Polyporus | Polyporales | 6 |
| arcyrionema, Lamproderma | Eumyxomycètes | 1 |
| arenaria, Genea | Ascomycètes | 2 |
| arenaria, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| arenicola, Geopora | Ascomycètes | 2 |
| arenicola, Scleroderma | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| areolatum, Scleroderma | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| argenteum, Entoloma | Agaricales : Entolomataceae | 16 |
| argenteum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| argillaceifolius, Lactarius | Russulales : Russulaceae | 47 |
| argutus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| arhizus, Pisolithus | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| ari-triphylli, Uromyces | Charbons et rouilles | 3 |
| arida, Lachnellula | Ascomycètes | 2 |
| armeniacus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| armeniacus, Hypomyces | Ascomycètes | 2 |
| armillatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| arrhenii, Pholiotina | Agaricales : Bolbitiaceae | 11 |
| arvensis, Agaricus | Agaricales : Agaricaceae | 8 |
| arvernensis, Peziza | Ascomycètes | 2 |
| aspera, Lepiota | Agaricales : Agaricaceae | 8 |
| asperula, Lepiota | Agaricales : Agaricaceae | 8 |
| asperulus, Elaphomyces | Ascomycètes | 2 |
| aspideoides, Lactarius | Russulales : Russulaceae | 47 |
| asprata, Cyptotrama | Agaricales : Physalacriaceae | 25 |
| asprellum, Entoloma | Agaricales : Entolomataceae | 16 |
| asterospora, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| astragalina, Pholiota | Agaricales : Strophariaceae | 30 |
| atkinsoniana, Amanita | Agaricales : Amanitaceae | 9 |
| atkinsoniana, Galerina | Agaricales : Hymenogastraceae | 20 |
| atkinsoniana, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| atkinsonianus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| atkinsonii, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| atomatoides, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| atra, Helvella | Ascomycètes | 2 |
| atramentaria, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| atrata, Tephrocybe | Agaricales : Lyophyllaceae | 21 |
| atratoides, Pseudoclitocybe | Agaricales : Pterulaceae-Typhulaceae | 29 |
| atroalboides, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| atrobrunnea, Psilocybe | Agaricales : Strophariaceae | 30 |
| atrocoerulea, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| atrocyanea, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| atrodiscum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| atromarginatus, Pluteus | Agaricales : Pluteaceae | 27 |
| atropurpurea, Russula | Russulales : Russulaceae | 47 |
| atropurpureum, Thuemenidium | Ascomycètes | 2 |
| atropusillus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| atrosquamosum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| atrostipitatum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| atrotomentosa, Tapinella | Boletales : Hygrophoropsidaceae-Tapinellaceae | 36 |
| atrovirens, Coryne | Anamorphes | 50 |
| atypicola, Nomuraea | Ascomycètes | 2 |
| aurantia, Aleuria | Ascomycètes | 2 |
| aurantia, Tremella | Trémelles et analogues | 4 |
| aurantiaca, Hygrophoropsis | Boletales : Hygrophoropsidaceae-Tapinellaceae | 36 |
| aurantiaca, Hygrophoropsis | Boletales : Hygrophoropsidaceae-Tapinellaceae | 36 |
| aurantiacolutea, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| aurantiacum, Hydnellum | Thelephorales | 49 |
| aurantiacum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| aurantiacus, Hormomyces | Anamorphes | 50 |
| auranticeps, Russula | Russulales : Russulaceae | 47 |
| aurantiocinnabarina, Clavulinopsis | Agaricales : Clavariaceae | 12 |
| aurantiolutea, Russula | Russulales : Russulaceae | 47 |
| aurantiorugosus, Pluteus | Agaricales : Pluteaceae | 27 |
| aurantiotincta, Russula | Russulales : Russulaceae | 47 |
| aurantissima, Russula | Russulales : Russulaceae | 47 |
| aurantium, Tricholoma | Agaricales : Tricholomataceae | 31 |
| aurata, Arachnopeziza | Ascomycètes | 2 |
| auratocephala, Humidicutis | Agaricales : Hygrophoraceae | 19 |
| aurea, Ramaria | Gomphales | 42 |
| aurelia, Arachnopeziza | Ascomycètes | 2 |
| aureliella, Hyaloscypha | Ascomycètes | 2 |
| aureus, Pseudomerulius | Corticiaceae s.l. | 5 |
| auricolor, Orbilia | Ascomycètes | 2 |
| auricoma, Parasola | Agaricales : Psathyrellaceae | 28 |
| aurilicis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| auripes, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| aurora, Coprotus | Ascomycètes | 2 |
| austriaca, Sarcoscypha | Ascomycètes | 2 |
| avellaneifolia, Clitocybe | Agaricales : Tricholomataceae | 31 |
| avellaneum, Entoloma | Agaricales : Entolomataceae | 16 |
| axifera, Stemonitis | Eumyxomycètes | 1 |
| azureoides, Peziza | Ascomycètes | 2 |
| azureus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| badia, Peziza | Ascomycètes | 2 |
| badiceps, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| badiopallescens, Lactarius | Russulales : Russulaceae | 47 |
| badiosanguineus, Lactarius | Russulales : Russulaceae | 47 |
| badius, Royoporus | Polyporales | 6 |
| badius, Xerocomus | Boletales : Boletaceae & Paxillaceae | 33 |
| bakerensis, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| balaenae, Porpomyces | Polyporales | 6 |
| balaustinus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| ballouii, Russula | Russulales : Russulaceae | 47 |
| balsamea, Postia | Polyporales | 6 |
| balteatoalbus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| balteatocumatilis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| balteatocumatilis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| balteatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| barlae, Russula | Russulales : Russulaceae | 47 |
| baronii, Rhodocybe | Agaricales : Entolomataceae | 16 |
| basifurcata, Russula | Russulales : Russulaceae | 47 |
| bellipes, Cortinarius | Agaricales : Cortinariaceae | 13 |
| bellipes, Marasmius | Agaricales : Marasmiaceae | 22 |
| bellulus, Gymnopilus | Agaricales : Strophariaceae | 30 |
| benzoinum, Ischnoderma | Polyporales | 6 |
| berkeleyi, Bondarzewia | Polyporales | 6 |
| bernardii, Agaricus | Agaricales : Agaricaceae | 8 |
| bettinae, Lepiota | Agaricales : Agaricaceae | 8 |
| betulae, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| betularum, Russula | Russulales : Russulaceae | 47 |
| betuletorum, Russula | Russulales : Russulaceae | 47 |
| betulina, Russula | Russulales : Russulaceae | 47 |
| betulinus, Lenzites | Polyporales | 6 |
| betulinus, Phellinus | Hymenochaetales | 7 |
| betulinus, Piptoporus | Polyporales | 6 |
| bibulus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| bicolor, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| bicolor, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| bicolor, Entoloma | Agaricales : Entolomataceae | 16 |
| bicolor, Laccaria | Agaricales : Hydnangiaceae | 18 |
| bicolor, Lachnum | Ascomycètes | 2 |
| bicolor, Laxitextum | Corticiaceae s.l. | 5 |
| bicoloratum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| biennis, Abortiporus | Polyporales | 6 |
| biforme, Trichaptum | Polyporales | 6 |
| biformis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| biformis, Gymnopus | Agaricales : Omphalotaceae | 24 |
| bipellis, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| birnbaumii, Leucocoprinus | Agaricales : Agaricaceae | 8 |
| bisphaerigera, Fayodia | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| bisporigera, Amanita | Agaricales : Amanitaceae | 9 |
| bisporus, Agaricus | Agaricales : Agaricaceae | 8 |
| bisporus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| bitorquis, Agaricus | Agaricales : Agaricaceae | 8 |
| bivalve, Physarum | Eumyxomycètes | 1 |
| bivelus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| blackfordiae, Russula | Russulales : Russulaceae | 47 |
| bloxamii, Entoloma | Agaricales : Entolomataceae | 16 |
| blumenaviensis, Scutellinia | Ascomycètes | 2 |
| bohemica, Naucoria | Agaricales : Hymenogastraceae | 20 |
| bohemica, Ptychoverpa | Ascomycètes | 2 |
| bolaris, Cortinarius | Agaricales : Cortinariaceae | 13 |
| boletinoides, Phylloporus | Boletales : Boletaceae & Paxillaceae | 33 |
| boltonii, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| bombycina, Anomoporia | Polyporales | 6 |
| bombycina, Volvariella | Agaricales : Pluteaceae | 27 |
| bongardii, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| borealis, Climacocystis | Polyporales | 6 |
| borealis, Galerina | Agaricales : Hymenogastraceae | 20 |
| borealis, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| borealis, Marasmius | Agaricales : Marasmiaceae | 22 |
| borealis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| borealis, Phaeomarasmius | Agaricales : Tubariaceae | 32 |
| borealis, Russula | Russulales : Russulaceae | 47 |
| botrytis, Ramaria | Gomphales | 42 |
| botrytoides, Ramaria | Gomphales | 42 |
| boudieri, Lepiota | Agaricales : Agaricaceae | 8 |
| bovista, Scleroderma | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| brachycystis, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| bresadolae, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| bresadoliana, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| brevipes, Cortinarius | Agaricales : Cortinariaceae | 13 |
| brevipes, Melanoleuca | Agaricales : Tricholomataceae | 31 |
| brevipes, Russula | Russulales : Russulaceae | 47 |
| brevipes, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| brevis, Russula | Russulales : Russulaceae | 47 |
| bronca, Tarzetta | Ascomycètes | 2 |
| brumalis, Polyporus | Polyporales | 6 |
| brumalis, Polyporus | Polyporales | 6 |
| brunnea, Pholiotina | Agaricales : Bolbitiaceae | 11 |
| brunnea, Sphaerosporella | Ascomycètes | 2 |
| brunneicontusa, Ramaria | Gomphales | 42 |
| brunneidisca, Russula | Russulales : Russulaceae | 47 |
| brunneidiscus, Pluteus | Agaricales : Pluteaceae | 27 |
| brunneoatra, Peziza | Ascomycètes | 2 |
| brunneodisca, Pholiota | Agaricales : Strophariaceae | 30 |
| brunneola, Russula | Russulales : Russulaceae | 47 |
| brunneolilacinus, Leucoagaricus | Agaricales : Agaricaceae | 8 |
| brunneolus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| brunneomaculata, Ramaria | Gomphales | 42 |
| brunneomaculata, Russula | Russulales : Russulaceae | 47 |
| brunneomarginata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| brunneovinosa, Peziza | Ascomycètes | 2 |
| brunneoviolacea, Russula | Russulales : Russulaceae | 47 |
| brunnescens, Amanita | Agaricales : Amanitaceae | 9 |
| brunnescens, Amanita | Agaricales : Amanitaceae | 9 |
| brunneum, Sepedonium | Anamorphes | 50 |
| brunneus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| buccina, Guepiniopsis | Trémelles et analogues | 4 |
| bulbosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| bulgaroides, Rutstroemia | Ascomycètes | 2 |
| bulliardii, Cortinarius | Agaricales : Cortinariaceae | 13 |
| burkei, Russula | Russulales : Russulaceae | 47 |
| burtiana, Stereopsis | Corticiaceae s.l. | 5 |
| butyracea, Rhodocollybia | Agaricales : Omphalotaceae | 24 |
| byssisedum, Entoloma | Agaricales : Entolomataceae | 16 |
| caelata, Rhodocybe | Agaricales : Entolomataceae | 16 |
| caeruleofuscus, Craterellus | Cantharellales : Cantharellaceae | 37 |
| caeruleogriseum, Entoloma | Agaricales : Entolomataceae | 16 |
| caeruleoporus, Neoalbatrellus | Russulales : Scutigeraceae | 48 |
| caerulescens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| caeruleum, Hydnellum | Thelephorales | 49 |
| caerulipes, Psilocybe | Agaricales : Strophariaceae | 30 |
| caesia, Postia | Polyporales | 6 |
| caespiticia, Mollisia | Ascomycètes | 2 |
| caespitosus, Aureoboletus | Boletales : Boletaceae & Paxillaceae | 33 |
| cagei, Cortinarius | Agaricales : Cortinariaceae | 13 |
| cainii, Galerina | Agaricales : Hymenogastraceae | 20 |
| cajanderi, Fomitopsis | Polyporales | 6 |
| calamistrata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| calamistrata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| caliciiformis, Crinula | Anamorphes | 50 |
| caligatum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| callisteus, Bolbitius | Agaricales : Bolbitiaceae | 11 |
| callisteus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| calochrous, Cortinarius | Agaricales : Cortinariaceae | 13 |
| calochrous, Cortinarius | Agaricales : Cortinariaceae | 13 |
| calolepis, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| calospora, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| calvinii, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| calyculata, Hemitrichia | Eumyxomycètes | 1 |
| calyculus, Hymenoscyphus | Ascomycètes | 2 |
| calyptriformis, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| camarophyllus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| campanella, Crinipellis | Agaricales : Marasmiaceae | 22 |
| campanella, Xeromphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| campestre, Tulostoma | Agaricales : Agaricaceae | 8 |
| campestris, Agaricus | Agaricales : Agaricaceae | 8 |
| camphoratus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| camphoratus, Lactarius | Russulales : Russulaceae | 47 |
| camptopus, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| camptoros, Cortinarius | Agaricales : Cortinariaceae | 13 |
| canadensis, Amanita | Agaricales : Amanitaceae | 9 |
| canadensis, Antrodiella | Polyporales | 6 |
| canadensis, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| canaliculatum, Tuber | Ascomycètes | 2 |
| cancellatum, Dictydium | Eumyxomycètes | 1 |
| candicans, Clitocybe | Agaricales : Tricholomataceae | 31 |
| candicans, Nectriopsis | Ascomycètes | 2 |
| candida, Clitocybe | Agaricales : Tricholomataceae | 31 |
| candida, Fuligo | Eumyxomycètes | 1 |
| candida, Nidula | Agaricales : Agaricaceae | 8 |
| candidissima, Trechispora | Polyporales | 6 |
| candidissimum, Cheimonophyllum | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| candidum, Tremellodendron | Trémelles et analogues | 4 |
| candidus, Henningsomyces | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| candolleana, Ciborinia | Ascomycètes | 2 |
| candolleana, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| canescens, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| caninus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| canoceps, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| cantharellus, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| caperatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| capillaripes, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| capillaris, Marasmius | Agaricales : Marasmiaceae | 22 |
| capitata, Elaphocordyceps | Ascomycètes | 2 |
| capitatus, Dacrymyces | Trémelles et analogues | 4 |
| capnoides, Hypholoma | Agaricales : Strophariaceae | 30 |
| cappellianus, Agaricus | Agaricales : Agaricaceae | 8 |
| capreolarius, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| carbonaria, Geopyxis | Ascomycètes | 2 |
| carbonaria, Pulvinula | Ascomycètes | 2 |
| carbonarium, Gloeophyllum | Gloeophyllales | 41 |
| carbonica, Amyloporia | Polyporales | 6 |
| carbonicola, Galerina | Agaricales : Hymenogastraceae | 20 |
| carbonicola, Lactarius | Russulales : Russulaceae | 47 |
| carcharias, Cystoderma | Agaricales : Agaricaceae | 8 |
| cariciophila, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| carneogrisea, Skeletocutis | Polyporales | 6 |
| carneus, Rugosomyces | Agaricales : Lyophyllaceae | 21 |
| carpatica, Cotylidia | Corticiaceae s.l. | 5 |
| carpophilus, Flammulaster | Agaricales : Tubariaceae | 32 |
| caryae, Elmerina | Trémelles et analogues | 4 |
| caryophilus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| caryophyllea, Thelephora | Thelephorales | 49 |
| castanea, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| castanea, Lepiota | Agaricales : Agaricaceae | 8 |
| castaneifolia, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| castanella, Psilocybe | Agaricales : Strophariaceae | 30 |
| castaneoides, Cortinarius | Agaricales : Cortinariaceae | 13 |
| castaneoides, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| castaneus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| castaneus, Gyroporus | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| catervata, Clitocybe | Agaricales : Tricholomataceae | 31 |
| catinus, Tarzetta | Ascomycètes | 2 |
| catskillensis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| caucus, Ciboria | Ascomycètes | 2 |
| caudatus, Hymenoscyphus | Ascomycètes | 2 |
| caulifloriformis, Ramaria | Gomphales | 42 |
| causticus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| cauticinalis, Xeromphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| cavipes, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| cedrolens, Russula | Russulales : Russulaceae | 47 |
| celtica, Pachyella | Ascomycètes | 2 |
| centunculus, Simocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| cepa, Scleroderma | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| cepistipes, Leucocoprinus | Agaricales : Agaricaceae | 8 |
| ceracea, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| ceriflua, Postia | Polyporales | 6 |
| cerina, Galerina | Agaricales : Hymenogastraceae | 20 |
| cernua, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| cerussata, Clitocybe | Agaricales : Tricholomataceae | 31 |
| cervina, Trametopsis | Polyporales | 6 |
| cervinigenus, Hypomyces | Ascomycètes | 2 |
| cervinus, Pluteus | Agaricales : Pluteaceae | 27 |
| cervinus, Pluteus | Agaricales : Pluteaceae | 27 |
| cessans, Russula | Russulales : Russulaceae | 47 |
| cf, Entoloma | Agaricales : Entolomataceae | 16 |
| cf, Entoloma | Agaricales : Entolomataceae | 16 |
| cf, Gymnopus | Agaricales : Omphalotaceae | 24 |
| chailletii, Lepidoderma | Eumyxomycètes | 1 |
| chailletii, Phragmotrichum | Ascomycètes | 2 |
| chalybeum, Entoloma | Agaricales : Entolomataceae | 16 |
| chateri, Melastiza | Ascomycètes | 2 |
| chelidonium, Lactarius | Russulales : Russulaceae | 47 |
| childiae, Daldinia | Ascomycètes | 2 |
| chioneus, Tyromyces | Polyporales | 6 |
| chippewaensis, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| chlorophana, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| chordalis, Marasmius | Agaricales : Marasmiaceae | 22 |
| christinae, Phaeocollybia | Agaricales : Hymenogastraceae | 20 |
| chromapes, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| chromosperma, Hypocrea | Ascomycètes | 2 |
| chrysenteroides, Boletellus | Boletales : Boletaceae & Paxillaceae | 33 |
| chrysenteron, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| chrysenteron, Rugosomyces | Agaricales : Lyophyllaceae | 21 |
| chrysodon, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| chrysolitus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| chrysophlebius, Pluteus | Agaricales : Pluteaceae | 27 |
| chrysophylla, Chrysomphalina | Agaricales : Hygrophoraceae | 19 |
| chrysorrheus, Lactarius | Russulales : Russulaceae | 47 |
| chrysosperma, Perichaena | Eumyxomycètes | 1 |
| chrysospermus, Dacrymyces | Trémelles et analogues | 4 |
| chrysospermus, Hypomyces | Ascomycètes | 2 |
| cibarius, Cantharellus | Cantharellales : Cantharellaceae | 37 |
| cibarius, Cantharellus | Cantharellales : Cantharellaceae | 37 |
| cicatricata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| cicatricata, Russula | Russulales : Russulaceae | 47 |
| ciliatus, Polyporus | Polyporales | 6 |
| cincinnata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| cincinnatus, Laetiporus | Polyporales | 6 |
| cinctulus, Panaeolus | Agaricales : Bolbitiaceae | 11 |
| cinerascens, Lopharia | Corticiaceae s.l. | 5 |
| cinerascens, Russula | Russulales : Russulaceae | 47 |
| cinerascentipes, Russula | Russulales : Russulaceae | 47 |
| cinerea, Arcyria | Eumyxomycètes | 1 |
| cinerea, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| cinerea, Peniophora | Corticiaceae s.l. | 5 |
| cinerea, Volvariella | Agaricales : Pluteaceae | 27 |
| cinerella, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| cinereocarnea, Ramaria | Gomphales | 42 |
| cinereum, Physarum | Eumyxomycètes | 1 |
| cinereus, Lactarius | Russulales : Russulaceae | 47 |
| cinereus, Phellinus | Hymenochaetales | 7 |
| cingulatum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| cinnabarina, Cystodermella | Agaricales : Agaricaceae | 8 |
| cinnabarina, Nectria | Ascomycètes | 2 |
| cinnabarinus, Cantharellus | Cantharellales : Cantharellaceae | 37 |
| cinnabarinus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| cinnabarinus, Pycnoporus | Polyporales | 6 |
| cinnamomea, Coltricia | Hymenochaetales | 7 |
| cinnamomicolor, Russula | Russulales : Russulaceae | 47 |
| circellatus, Lactarius | Russulales : Russulaceae | 47 |
| circinans, Cudonia | Ascomycètes | 2 |
| circinans, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| cirrhata, Collybia | Agaricales : Tricholomataceae | 31 |
| cirrhatum, Hericium | Russulales : Hericiaceae | 46 |
| citrina, Amanita | Agaricales : Amanitaceae | 9 |
| citrina, Bisporella | Ascomycètes | 2 |
| citrinofulvum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| citrinolutea, Russula | Russulales : Russulaceae | 47 |
| citrinomarginata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| citrinum, Scleroderma | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| citrinus, Albatrellus | Russulales : Scutigeraceae | 48 |
| citrinus, Vesiculomyces | Corticiaceae s.l. | 5 |
| claricolor, Cortinarius | Agaricales : Cortinariaceae | 13 |
| clarobrunneus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| claroflava, Russula | Russulales : Russulaceae | 47 |
| claroflavoides, Russula | Russulales : Russulaceae | 47 |
| clavariarum, Helminthosphaeria | Ascomycètes | 2 |
| clavata, Hemitrichia | Eumyxomycètes | 1 |
| clavatus, Gomphus | Gomphales | 42 |
| clavicularis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| clavipes, Ampulloclitocybe | Agaricales : Hygrophoraceae | 19 |
| clavipes, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| clavuligerum, Gloeocystidiellum | Corticiaceae s.l. | 5 |
| clavus, Cudoniella | Ascomycètes | 2 |
| claytoniata, Puccinia | Charbons et rouilles | 3 |
| clypeata, Pachyella | Ascomycètes | 2 |
| clypeolaria, Lepiota | Agaricales : Agaricaceae | 8 |
| coccinea, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| coccinea, Nectria | Ascomycètes | 2 |
| coccineocrenata, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| coccineofulva, Phlebia | Corticiaceae s.l. | 5 |
| cochleata, Otidea | Ascomycètes | 2 |
| cochleatus, Lentinellus | Russulales : Auriscalpiaceae | 45 |
| coerulescens, Chromelosporium | Anamorphes | 50 |
| cognata, Melanoleuca | Agaricales : Tricholomataceae | 31 |
| cohaerens, Annulohypoxylon | Ascomycètes | 2 |
| cohaerens, Marasmius | Agaricales : Marasmiaceae | 22 |
| cohaerens, Marasmius | Agaricales : Marasmiaceae | 22 |
| cokeri, Entoloma | Agaricales : Entolomataceae | 16 |
| colemanniana, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| collabens, Junghuhnia | Polyporales | 6 |
| collinitus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| coloradensis, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| colorata, Bovista | Agaricales : Agaricaceae | 8 |
| coloratus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| columbetta, Tricholoma | Agaricales : Tricholomataceae | 31 |
| comatus, Coprinus | Agaricales : Agaricaceae | 8 |
| commune, Schizophyllum | Agaricales : Fistulinaceae-Schizophyllaceae | 17 |
| compacta, Perenniporia | Polyporales | 6 |
| compacta, Russula | Russulales : Russulaceae | 47 |
| completus, Hypomyces | Ascomycètes | 2 |
| complicatum, Stereum | Corticiaceae s.l. | 5 |
| compressa, Leucogloea | Espèces non classées | 51 |
| comptulus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| comtulus, Agaricus | Agaricales : Agaricaceae | 8 |
| concava, Clitocybe | Agaricales : Tricholomataceae | 31 |
| conchatus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| conchatus, Panus | Polyporales | 6 |
| conchatus, Phellinus | Hymenochaetales | 7 |
| conchifer, Poronidulus | Polyporales | 6 |
| concolor, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| concrescens, Hydnellum | Thelephorales | 49 |
| concrescens, Sebacina | Trémelles et analogues | 4 |
| confertus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| confluens, Albatrellopsis | Russulales : Scutigeraceae | 48 |
| confluens, Gymnopus | Agaricales : Omphalotaceae | 24 |
| confluens, Phellodon | Thelephorales | 49 |
| confluens, Sistotrema | Cantharellales : Hydnaceae | 39 |
| confragosa, Daedaleopsis | Polyporales | 6 |
| confragosa, Tubaria | Agaricales : Tubariaceae | 32 |
| conica, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| conica, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| conica, Verpa | Ascomycètes | 2 |
| conicogriseum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| conicum, Entoloma | Agaricales : Entolomataceae | 16 |
| coniferophila, Clitocybe | Agaricales : Tricholomataceae | 31 |
| coniferophila, Russula | Russulales : Russulaceae | 47 |
| conissans, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| conjunctipes, Ramaria | Gomphales | 42 |
| connata, Pholiota | Agaricales : Strophariaceae | 30 |
| connatum, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| conopilus, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| consobrina, Russula | Russulales : Russulaceae | 47 |
| constans, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| constans, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| controversus, Lactarius | Russulales : Russulaceae | 47 |
| cookei, Collybia | Agaricales : Tricholomataceae | 31 |
| cookei, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| coprophila, Psilocybe | Agaricales : Strophariaceae | 30 |
| coprophilus, Bolbitius | Agaricales : Bolbitiaceae | 11 |
| coralloides, Clavulina | Cantharellales : Clavulinaceae | 38 |
| coralloides, Hericium | Russulales : Hericiaceae | 46 |
| corium, Helvella | Ascomycètes | 2 |
| cornea, Calocera | Trémelles et analogues | 4 |
| corneipes, Mythicomyces | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| corniculata, Clavulinopsis | Agaricales : Clavariaceae | 12 |
| cornui, Xeromphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| cornuta, Arachnopeziza | Ascomycètes | 2 |
| coronatum, Crocicreas | Ascomycètes | 2 |
| coronatum, Geastrum | Geastrales | 40 |
| coronilla, Stropharia | Agaricales : Strophariaceae | 30 |
| corrugata, Hymenochaete | Hymenochaetales | 7 |
| corrugatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| corrugis, Lactarius | Russulales : Russulaceae | 47 |
| corrugis, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| corticalis, Perichaena | Eumyxomycètes | 1 |
| corticola, Oxyporus | Hymenochaetales | 7 |
| cortinarius, Lepiota | Agaricales : Agaricaceae | 8 |
| corvina, Onygena | Ascomycètes | 2 |
| corvinum, Entoloma | Agaricales : Entolomataceae | 16 |
| corydalina, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| coryli, Ciboria | Ascomycètes | 2 |
| costata, Morchella | Ascomycètes | 2 |
| costifera, Helvella | Ascomycètes | 2 |
| cotonea, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| cotoneus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| craniiformis, Calvatia | Agaricales : Agaricaceae | 8 |
| crassa, Amyloporia | Polyporales | 6 |
| crassotunicata, Russula | Russulales : Russulaceae | 47 |
| crassus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| craterellus, Polyporus | Polyporales | 6 |
| craterium, Urnula | Ascomycètes | 2 |
| crenatomarginata, Orbilia | Ascomycètes | 2 |
| crenulata, Amanita | Agaricales : Amanitaceae | 9 |
| crispa, Helvella | Ascomycètes | 2 |
| crispa, Plicatura | Corticiaceae s.l. | 5 |
| cristata, Laeticutis | Russulales : Scutigeraceae | 48 |
| cristata, Lepiota | Agaricales : Agaricaceae | 8 |
| cristatum, Hydnellum | Thelephorales | 49 |
| cristulispora, Russula | Russulales : Russulaceae | 47 |
| crocatus, Rigidoporus | Polyporales | 6 |
| crocea, Amanita | Agaricales : Amanitaceae | 9 |
| crocea, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| crocea, Ramariopsis | Agaricales : Clavariaceae | 12 |
| crocea, Sarcodontia | Polyporales | 6 |
| croceitinctus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| croceocaeruleus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| croceus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| croceus, Hapalopilus | Polyporales | 6 |
| croceus, Lactarius | Russulales : Russulaceae | 47 |
| crocodilinus, Agaricus | Agaricales : Agaricaceae | 8 |
| crocophyllus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| cruciatus, Lysurus | Phallales | 44 |
| crustacea, Mucilago | Eumyxomycètes | 1 |
| crustosa, Russula | Russulales : Russulaceae | 47 |
| crustuliniforme, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| crustulinus, Diplomitoporus | Polyporales | 6 |
| cubispora, Thuemenella | Ascomycètes | 2 |
| cumatilis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| cupreiceps, Russula | Russulales : Russulaceae | 47 |
| cupularis, Tarzetta | Ascomycètes | 2 |
| cupuliformis, Helvella | Ascomycètes | 2 |
| curtisii, Meiorganum | Corticiaceae s.l. | 5 |
| curtisii, Vascellum | Agaricales : Agaricaceae | 8 |
| cuticularis, Inonotus | Hymenochaetales | 7 |
| cyanea, Stropharia | Agaricales : Strophariaceae | 30 |
| cyanescens, Gyroporus | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| cyanites, Cortinarius | Agaricales : Cortinariaceae | 13 |
| cyanophylla, Chromosera | Agaricales : Hygrophoraceae | 19 |
| cyanopus, Conocybe | Agaricales : Bolbitiaceae | 11 |
| cyanoxantha, Russula | Russulales : Russulaceae | 47 |
| cyathiformis, Calvatia | Agaricales : Agaricaceae | 8 |
| cyathiformis, Pseudoclitocybe | Agaricales : Pterulaceae-Typhulaceae | 29 |
| cylichnium, Ascocoryne | Ascomycètes | 2 |
| dadmunii, Russula | Russulales : Russulaceae | 47 |
| davisiae, Tricholoma | Agaricales : Tricholomataceae | 31 |
| dealbata, Clitocybe | Agaricales : Tricholomataceae | 31 |
| decastes, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| deceptiva, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| deceptivus, Lactarius | Russulales : Russulaceae | 47 |
| deceptivus, Pluteus | Agaricales : Pluteaceae | 27 |
| decipiens, Amanita | Agaricales : Amanitaceae | 9 |
| decipiens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| decipiens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| decipiens, Galerina | Agaricales : Hymenogastraceae | 20 |
| decipiens, Lycoperdon | Agaricales : Agaricaceae | 8 |
| decipiens, Trichia | Eumyxomycètes | 1 |
| decipientoides, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| decolorans, Russula | Russulales : Russulaceae | 47 |
| decora, Tricholomopsis | Agaricales : Tricholomataceae | 31 |
| decorosa, Leucopholiota | Agaricales : Tricholomataceae | 31 |
| deformis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| deformis, Nidularia | Agaricales : Agaricaceae | 8 |
| delectabilis, Hemimycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| delectans, Marasmius | Agaricales : Marasmiaceae | 22 |
| delectans, Sarcodontia | Polyporales | 6 |
| delibutus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| delicata, Limacella | Agaricales : Amanitaceae | 9 |
| delicatula, Orbilia | Ascomycètes | 2 |
| delineata, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| deliquescens, Conocybe | Agaricales : Bolbitiaceae | 11 |
| densifolia, Lepista | Agaricales : Tricholomataceae | 31 |
| densifolia, Russula | Russulales : Russulaceae | 47 |
| denudata, Arcyria | Eumyxomycètes | 1 |
| depauperatus, Pluteus | Agaricales : Pluteaceae | 27 |
| depluens, Entoloma | Agaricales : Entolomataceae | 16 |
| depressus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| dermoxanthum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| destruens, Pholiota | Agaricales : Strophariaceae | 30 |
| deterrimus, Lactarius | Russulales : Russulaceae | 47 |
| deusta, Kretzschmaria | Ascomycètes | 2 |
| diaphana, Cotylidia | Corticiaceae s.l. | 5 |
| diasemospermus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| diasemospermus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| diatreta, Clitocybe | Agaricales : Tricholomataceae | 31 |
| dichrous, Gloeoporus | Polyporales | 6 |
| dichrous, Gymnopus | Agaricales : Omphalotaceae | 24 |
| dicranorum, Galerina | Agaricales : Hymenogastraceae | 20 |
| difforme, Geoglossum | Ascomycètes | 2 |
| digitata, Xylaria | Ascomycètes | 2 |
| dilatohypha, Wolfiporia | Polyporales | 6 |
| diminutivus, Agaricus | Agaricales : Agaricaceae | 8 |
| dimorphocystis, Galerina | Agaricales : Hymenogastraceae | 20 |
| disciformis, Diatrype | Ascomycètes | 2 |
| discoideus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| discolor, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| discolor, Pholiota | Agaricales : Strophariaceae | 30 |
| discoxanthus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| disjungendus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| dispersum, Hypholoma | Agaricales : Strophariaceae | 30 |
| disseminatus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| dissimulans, Russula | Russulales : Russulaceae | 47 |
| distans, Cortinarius | Agaricales : Cortinariaceae | 13 |
| ditopus, Clitocybe | Agaricales : Tricholomataceae | 31 |
| domesticus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| domiciliana, Peziza | Ascomycètes | 2 |
| dryinus, Pleurotus | Agaricales : Pleurotaceae | 26 |
| dryophila, Inocutis | Hymenochaetales | 7 |
| dryophila, Russula | Russulales : Russulaceae | 47 |
| dryophilus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| dubia, Coryne | Anamorphes | 50 |
| dubium, Didymium | Eumyxomycètes | 1 |
| dudleyi, Sarcoscypha | Ascomycètes | 2 |
| dulcamara, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| duplicata, Dictyophora | Phallales | 44 |
| duplicatus, Lactarius | Russulales : Russulaceae | 47 |
| dura, Agrocybe | Agaricales : Strophariaceae | 30 |
| duracinus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| duroides, Pholiota | Agaricales : Strophariaceae | 30 |
| dysthales, Entoloma | Agaricales : Entolomataceae | 16 |
| earleae, Gymnopus | Agaricales : Omphalotaceae | 24 |
| earlei, Russula | Russulales : Russulaceae | 47 |
| eburneus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| echinella, Bovistella | Agaricales : Agaricaceae | 8 |
| echiniceps, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| echinospora, Peziza | Ascomycètes | 2 |
| echinospora, Tomentellopsis | Thelephorales | 49 |
| ectypoides, Pseudoarmillariella | Agaricales : Tricholomataceae | 31 |
| effuscatum, Dichostereum | Corticiaceae s.l. | 5 |
| effusum, Diderma | Eumyxomycètes | 1 |
| elaeodes, Russula | Russulales : Russulaceae | 47 |
| elastica, Helvella | Ascomycètes | 2 |
| elata, Calvatia | Agaricales : Agaricaceae | 8 |
| elata, Morchella | Ascomycètes | 2 |
| elegans, Dacryopinax | Trémelles et analogues | 4 |
| elegans, Mitrula | Ascomycètes | 2 |
| elegans, Mutinus | Phallales | 44 |
| elegantior, Cortinarius | Agaricales : Cortinariaceae | 13 |
| elegantula, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| ellipsoideus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| ellipsospora, Perenniporia | Polyporales | 6 |
| elodes, Entoloma | Agaricales : Entolomataceae | 16 |
| elongata, Amanita | Agaricales : Amanitaceae | 9 |
| elongatior, Amanita | Agaricales : Amanitaceae | 9 |
| elongatum, Hypholoma | Agaricales : Strophariaceae | 30 |
| elytroides, Porpoloma | Agaricales : Tricholomataceae | 31 |
| emetica, Russula | Russulales : Russulaceae | 47 |
| emeticella, Russula | Russulales : Russulaceae | 47 |
| emunctus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| encephala, Tremella | Trémelles et analogues | 4 |
| ephemerus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| ephippium, Helvella | Ascomycètes | 2 |
| epibryus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| epichysium, Arrhenia | Agaricales : Pterulaceae-Typhulaceae | 29 |
| epidendrum, Lycogala | Eumyxomycètes | 1 |
| epileucina, Fomitopsis | Polyporales | 6 |
| epimyces, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| epiphylla, Athelia | Corticiaceae s.l. | 5 |
| epiphyllum, Phaeohelotium | Ascomycètes | 2 |
| epiphyllus, Marasmius | Agaricales : Marasmiaceae | 22 |
| epipterygia, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| epipterygia, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| epipterygioides, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| epispartius, Acervus | Ascomycètes | 2 |
| episphaeria, Nectria | Ascomycètes | 2 |
| equestre, Tricholoma | Agaricales : Tricholomataceae | 31 |
| equina, Onygena | Ascomycètes | 2 |
| erebia, Agrocybe | Agaricales : Strophariaceae | 30 |
| ericaeum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| erinaceellus, Flammulaster | Agaricales : Tubariaceae | 32 |
| erinaceus, Hericium | Russulales : Hericiaceae | 46 |
| erinaceus, Phaeomarasmius | Agaricales : Tubariaceae | 32 |
| erinaceus, Scutellinia | Ascomycètes | 2 |
| erubescens, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| erubescens, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| eruciformis, Calathella | Agaricales : Marasmiaceae | 22 |
| erugatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| erythropus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| erythropus, Typhula | Agaricales : Pterulaceae-Typhulaceae | 29 |
| escharoides, Naucoria | Agaricales : Hymenogastraceae | 20 |
| esculenta, Gyromitra | Ascomycètes | 2 |
| esculenta, Gyromitra | Ascomycètes | 2 |
| esculenta, Morchella | Ascomycètes | 2 |
| esculentus, Strobilurus | Agaricales : Physalacriaceae | 25 |
| eumorpha, Ramaria | Gomphales | 42 |
| eutheles, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| eutheloides, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| evelata, Galerina | Agaricales : Hymenogastraceae | 20 |
| everhartii, Phellinus | Hymenochaetales | 7 |
| evernius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| excedens, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| excelsa, Ceriporia | Polyporales | 6 |
| excipuliformis, Handkea | Agaricales : Agaricaceae | 8 |
| excisa, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| excoriata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| exiguum, Lycogala | Eumyxomycètes | 1 |
| exile, Entoloma | Agaricales : Entolomataceae | 16 |
| eximius, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| extensa, Wolfiporia | Polyporales | 6 |
| fagetorum, Cortinarius | Agaricales : Cortinariaceae | 13 |
| fagetorum, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| faginatum, Cylindrocarpon | Anamorphes | 50 |
| faginea, Ascotremella | Ascomycètes | 2 |
| faginea, Phleogena | Trémelles et analogues | 4 |
| faginea, Russula | Russulales : Russulaceae | 47 |
| fagineus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| fallax, Craterellus | Cantharellales : Cantharellaceae | 37 |
| fallax, Cystoderma | Agaricales : Agaricaceae | 8 |
| fallax, Galerina | Agaricales : Hymenogastraceae | 20 |
| fallax, Galerina | Agaricales : Hymenogastraceae | 20 |
| fallax, Geoglossum | Ascomycètes | 2 |
| fallax, Rugosomyces | Agaricales : Lyophyllaceae | 21 |
| familia, Clitocybula | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| farinogustus, Entoloma | Agaricales : Entolomataceae | 16 |
| farinosa, Amanita | Agaricales : Amanitaceae | 9 |
| farinosa, Isaria | Anamorphes | 50 |
| farlowii, Trichoglossum | Ascomycètes | 2 |
| fasciculare, Hypholoma | Agaricales : Strophariaceae | 30 |
| fascicularis, Encoelia | Ascomycètes | 2 |
| fasciculata, Merismodes | Agaricales : Marasmiaceae | 22 |
| fastibile, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| fastigiata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| fastigiata, Russula | Russulales : Russulaceae | 47 |
| fastigiella, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| favoginea, Trichia | Eumyxomycètes | 1 |
| felina, Lepiota | Agaricales : Agaricaceae | 8 |
| felleus, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| fennicus, Sarcodon | Thelephorales | 49 |
| fergusii, Perenniporia | Polyporales | 6 |
| ferrea, Fuscoporia | Hymenochaetales | 7 |
| ferrugineum, Hydnellum | Thelephorales | 49 |
| ferrugineum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| ferrugineus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| ferrugineus, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| ferruginosa, Fuscoporia | Hymenochaetales | 7 |
| ferruginosa, Tubifera | Eumyxomycètes | 1 |
| ferruginosus, Asterodon | Hymenochaetales | 7 |
| fibrillosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| fibrillosa, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| fibrillosipes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| fibrillosipes, Pholiota | Agaricales : Strophariaceae | 30 |
| fibrillosum, Entoloma | Agaricales : Entolomataceae | 16 |
| fibrillosus, Pluteus | Agaricales : Pluteaceae | 27 |
| fibrosa, Helvella | Ascomycètes | 2 |
| fibrosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| fibrosoides, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| fibula, Rickenella | Agaricales : Tricholomataceae | 31 |
| filiformis, Macrotyphula | Agaricales : Pterulaceae-Typhulaceae | 29 |
| filiformis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| filopes, Marasmiellus | Agaricales : Marasmiaceae | 22 |
| filopes, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| fimbriatella, Junghuhnia | Polyporales | 6 |
| fimbriatum, Geastrum | Geastrales | 40 |
| fimbriatus, Hydnopolyporus | Polyporales | 6 |
| fimeti, Peziza | Ascomycètes | 2 |
| fimicola, Panaeolus | Agaricales : Bolbitiaceae | 11 |
| firma, Agrocybe | Agaricales : Strophariaceae | 30 |
| firma, Russula | Russulales : Russulaceae | 47 |
| firma, Rutstroemia | Ascomycètes | 2 |
| firmula, Russula | Russulales : Russulaceae | 47 |
| fissiliformis, Antrodiella | Polyporales | 6 |
| fissilis, Aurantiporus | Polyporales | 6 |
| flabelliforme, Xylocoremium | Anamorphes | 50 |
| flabelliformis, Lentinellus | Russulales : Auriscalpiaceae | 45 |
| flaccida, Ramaria | Gomphales | 42 |
| flammans, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| flammans, Pholiota | Agaricales : Strophariaceae | 30 |
| flava, Ramaria | Gomphales | 42 |
| flava, Ramaria | Gomphales | 42 |
| flava, Ramaria | Gomphales | 42 |
| flava, Ramaria | Gomphales | 42 |
| flavella, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| flavescens, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| flavescens, Ramaria | Gomphales | 42 |
| flavescentium, Cortinarius | Agaricales : Cortinariaceae | 13 |
| flaviceps, Entoloma | Agaricales : Entolomataceae | 16 |
| flavicomum, Physarum | Eumyxomycètes | 1 |
| flavida, Russula | Russulales : Russulaceae | 47 |
| flavida, Spathularia | Ascomycètes | 2 |
| flavidellus, Gymnopilus | Agaricales : Strophariaceae | 30 |
| flavifolia, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| flavifolium, Entoloma | Agaricales : Entolomataceae | 16 |
| flavifolium, Hypholoma | Agaricales : Strophariaceae | 30 |
| flavifolius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| flavigelatinosa, Ramaria | Gomphales | 42 |
| flavigelatinosa, Ramaria | Gomphales | 42 |
| flavigelatinosa, Ramaria | Gomphales | 42 |
| flavipes, Chroogomphus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| flaviphyllum, Entoloma | Agaricales : Entolomataceae | 16 |
| flavisiccans, Russula | Russulales : Russulaceae | 47 |
| flavissima, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| flavobrunnescens, Ramaria | Gomphales | 42 |
| flavobrunnescens, Ramaria | Gomphales | 42 |
| flavoconia, Amanita | Agaricales : Amanitaceae | 9 |
| flavodiscus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| flavofuligineus, Pluteus | Agaricales : Pluteaceae | 27 |
| flavofuscum, Lycogala | Eumyxomycètes | 1 |
| flavoides, Ramaria | Gomphales | 42 |
| flavomerulinus, Marasmius | Agaricales : Marasmiaceae | 22 |
| flavorubens, Amanita | Agaricales : Amanitaceae | 9 |
| flavostipitatum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| flavotincta, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| flavotinctum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| flavoviride, Entoloma | Agaricales : Entolomataceae | 16 |
| flexipes, Cortinarius | Agaricales : Cortinariaceae | 13 |
| flexipes, Cortinarius | Agaricales : Cortinariaceae | 13 |
| floccipes, Hydropus | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| floccosum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| floccosum, Microstoma | Ascomycètes | 2 |
| floccosus, Gomphus | Gomphales | 42 |
| flocculosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| flocculosus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| floridula, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| floriformis, Metatrichia | Eumyxomycètes | 1 |
| floriformis, Postia | Polyporales | 6 |
| flos-paludis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| focale, Tricholoma | Agaricales : Tricholomataceae | 31 |
| focicola, Coltricia | Hymenochaetales | 7 |
| foenisecii, Panaeolina | Agaricales : Bolbitiaceae | 11 |
| foetentula, Russula | Russulales : Russulaceae | 47 |
| foetidus, Craterellus | Cantharellales : Cantharellaceae | 37 |
| foetidus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| foliacea, Tremella | Trémelles et analogues | 4 |
| foliomarginatum, Entoloma | Agaricales : Entolomataceae | 16 |
| folliculocystidiata, Postia | Polyporales | 6 |
| fomentarius, Fomes | Polyporales | 6 |
| fontqueri, Russula | Russulales : Russulaceae | 47 |
| formosa, Ramaria | Gomphales | 42 |
| formosum, Entoloma | Agaricales : Entolomataceae | 16 |
| fornicatum, Geastrum | Geastrales | 40 |
| fractipes, Loweomyces | Polyporales | 6 |
| fragiforme, Hypoxylon | Ascomycètes | 2 |
| fragile, Entoloma | Agaricales : Entolomataceae | 16 |
| fragilis, Calvatia | Agaricales : Agaricaceae | 8 |
| fragilis, Clavaria | Agaricales : Clavariaceae | 12 |
| fragilis, Dentipellis | Russulales : Hericiaceae | 46 |
| fragilis, Leocarpus | Eumyxomycètes | 1 |
| fragilis, Postia | Polyporales | 6 |
| fragilis, Russula | Russulales : Russulaceae | 47 |
| fragrans, Entoloma | Agaricales : Entolomataceae | 16 |
| fragrantissima, Russula | Russulales : Russulaceae | 47 |
| fraxinea, Vanderbylia | Polyporales | 6 |
| fraxinophila, Perenniporia | Polyporales | 6 |
| fraxinophila, Xeromphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| frondosa, Grifola | Polyporales | 6 |
| frostiana, Amanita | Agaricales : Amanitaceae | 9 |
| frostii, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| fructigenus, Hymenoscyphus | Ascomycètes | 2 |
| frustratus, Lactarius | Russulales : Russulaceae | 47 |
| frustulatus, Xylobolus | Corticiaceae s.l. | 5 |
| fruticulosa, Ceratiomyxa | Eumyxomycètes | 1 |
| fuckeliana, Nectria | Ascomycètes | 2 |
| fuckelii, Hyaloscypha | Ascomycètes | 2 |
| fuckelii, Pyrenopeziza | Ascomycètes | 2 |
| fucosa, Russula | Russulales : Russulaceae | 47 |
| fulgens, Caloscypha | Ascomycètes | 2 |
| fulgens, Caloscypha | Ascomycètes | 2 |
| fulgens, Pycnoporellus | Polyporales | 6 |
| fuliginarius, Hydropus | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| fuligineoalba, Bankera | Thelephorales | 49 |
| fuligineoviolaceus, Sarcodon | Thelephorales | 49 |
| fuligineum, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| fuligineus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| fulvescens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| fulvescens, Russula | Russulales : Russulaceae | 47 |
| fulvoochrascens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| fulvotingens, Ionomidotis | Ascomycètes | 2 |
| fulvum, Chromelosporium | Anamorphes | 50 |
| fulvum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| fumidiceps, Tyromyces | Polyporales | 6 |
| fumigata, Ramaria | Gomphales | 42 |
| fumosa, Bjerkandera | Polyporales | 6 |
| fumosa, Clavaria | Agaricales : Clavariaceae | 12 |
| fumosipes, Porphyrellus | Boletales : Boletaceae & Paxillaceae | 33 |
| fumosoides, Lactarius | Russulales : Russulaceae | 47 |
| fumosoluteum, Entoloma | Agaricales : Entolomataceae | 16 |
| fumosoluteum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| fumosum, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| fumosum, Microglossum | Ascomycètes | 2 |
| fumosus, Lactarius | Russulales : Russulaceae | 47 |
| furfuracea, Encoelia | Ascomycètes | 2 |
| furfuracea, Tubaria | Agaricales : Tubariaceae | 32 |
| furfuracea, Xerula | Agaricales : Physalacriaceae | 25 |
| furvolaesus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| fusca, Stemonitis | Eumyxomycètes | 1 |
| fusca, Tapesia | Ascomycètes | 2 |
| fuscantipes, Russula | Russulales : Russulaceae | 47 |
| fuscidula, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| fuscifolium, Entoloma | Agaricales : Entolomataceae | 16 |
| fuscodisca, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| fuscofolia, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| fuscosquamea, Lepiota | Agaricales : Agaricaceae | 8 |
| fuscoviolaceum, Trichaptum | Polyporales | 6 |
| fusicarpa, Jafnea | Ascomycètes | 2 |
| fusiformis, Clavulinopsis | Agaricales : Clavariaceae | 12 |
| fusiformis, Pseudocolus | Phallales | 44 |
| fusiger, Spinellus | Espèces non classées | 51 |
| fusispora, Byssonectria | Ascomycètes | 2 |
| fusisporum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| fusisporus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| galactinus, Tyromyces | Polyporales | 6 |
| galericulata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| gallica, Armillaria | Agaricales : Physalacriaceae | 25 |
| gallica, Coriolopsis | Polyporales | 6 |
| galochroa, Russula | Russulales : Russulaceae | 47 |
| gausapata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| gausapatum, Stereum | Corticiaceae s.l. | 5 |
| gelatinosum, Pseudohydnum | Trémelles et analogues | 4 |
| geminum, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| gentianeus, Leucopaxillus | Agaricales : Tricholomataceae | 31 |
| gentilis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| geogenia, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| geogenium, Hydnellum | Thelephorales | 49 |
| geophilus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| geophylla, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| geotropa, Infundibulicybe | Agaricales : Tricholomataceae | 31 |
| gerardiana, Clitocybe | Agaricales : Tricholomataceae | 31 |
| gerardii, Lactarius | Russulales : Russulaceae | 47 |
| gibba, Clitocybe | Agaricales : Tricholomataceae | 31 |
| gibbosa, Trametes | Polyporales | 6 |
| gigantea, Calvatia | Agaricales : Agaricaceae | 8 |
| gigantea, Phanerochaete | Corticiaceae s.l. | 5 |
| giganteus, Leucopaxillus | Agaricales : Tricholomataceae | 31 |
| gigas, Gyromitra | Ascomycètes | 2 |
| gilva, Fuscoporia | Hymenochaetales | 7 |
| gilva, Lepista | Agaricales : Tricholomataceae | 31 |
| gilvescens, Ceriporiopsis | Polyporales | 6 |
| glabellus, Marasmius | Agaricales : Marasmiaceae | 22 |
| glabra, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| glabrum, Geoglossum | Ascomycètes | 2 |
| glandicolor, Cortinarius | Agaricales : Cortinariaceae | 13 |
| glandulosa, Exidia | Trémelles et analogues | 4 |
| glandulosus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| glatfelteri, Bolbitius | Agaricales : Bolbitiaceae | 11 |
| glaucescens, Lactarius | Russulales : Russulaceae | 47 |
| glaucopoides, Cortinarius | Agaricales : Cortinariaceae | 13 |
| glaucopus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| glischra, Limacella | Agaricales : Amanitaceae | 9 |
| globospora, Tremella | Trémelles et analogues | 4 |
| globosum, Gymnosporangium | Charbons et rouilles | 3 |
| globosum, Sarcosoma | Ascomycètes | 2 |
| gloiocephala, Volvariella | Agaricales : Pluteaceae | 27 |
| glomeratus, Inonotus | Hymenochaetales | 7 |
| glutinopallens, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| glutinosum, Geoglossum | Ascomycètes | 2 |
| glutinosus, Gomphidius | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| glutinosus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| glyciosmus, Lactarius | Russulales : Russulaceae | 47 |
| godeyi, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| gossypium, Fibroporia | Polyporales | 6 |
| gracile, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| gracilipes, Entoloma | Agaricales : Entolomataceae | 16 |
| gracilis, Austroboletus | Boletales : Boletaceae & Paxillaceae | 33 |
| gracilis, Hemimycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| gracilis, Ophiocordyceps | Ascomycètes | 2 |
| gracilis, Ramaria | Gomphales | 42 |
| gracilis, Russula | Russulales : Russulaceae | 47 |
| gracillima, Clavulinopsis | Agaricales : Clavariaceae | 12 |
| graminicola, Melanoleuca | Agaricales : Tricholomataceae | 31 |
| graminum, Marasmius | Agaricales : Marasmiaceae | 22 |
| grandis, Otidea | Ascomycètes | 2 |
| granosum, Cystoderma | Agaricales : Agaricaceae | 8 |
| granularis, Pluteus | Agaricales : Pluteaceae | 27 |
| granulata, Russula | Russulales : Russulaceae | 47 |
| granulatus, Elaphomyces | Ascomycètes | 2 |
| granulatus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| granulosa, Cystodermella | Agaricales : Agaricaceae | 8 |
| granulosa, Pholiota | Agaricales : Strophariaceae | 30 |
| grave, Tricholoma | Agaricales : Tricholomataceae | 31 |
| graveolens, Lepista | Agaricales : Tricholomataceae | 31 |
| graveolens, Russula | Russulales : Russulaceae | 47 |
| grevillei, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| grisea, Boletopsis | Thelephorales | 49 |
| grisea, Russula | Russulales : Russulaceae | 47 |
| griseifolia, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| griseifolium, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| grisellus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| griseoalba, Helvella | Ascomycètes | 2 |
| griseonigrum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| griseorosea, Peziza | Ascomycètes | 2 |
| griseoviridis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| griseum, Entoloma | Agaricales : Entolomataceae | 16 |
| griseus, Lactarius | Russulales : Russulaceae | 47 |
| griseus, Retiboletus | Boletales : Boletaceae & Paxillaceae | 33 |
| gummosa, Pholiota | Agaricales : Strophariaceae | 30 |
| guttata, Limacella | Agaricales : Amanitaceae | 9 |
| guttulata, Postia | Polyporales | 6 |
| haasii, Cortinarius | Agaricales : Cortinariaceae | 13 |
| haematopus, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| haematospermum, Melanophyllum | Agaricales : Agaricaceae | 8 |
| haemorrhoidarius, Agaricus | Agaricales : Agaricaceae | 8 |
| hardii, Stropharia | Agaricales : Strophariaceae | 30 |
| hariolorum, Gymnopus | Agaricales : Omphalotaceae | 24 |
| harknessii, Endocronartium | Charbons et rouilles | 3 |
| haustellaris, Simocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| hebes, Entoloma | Agaricales : Entolomataceae | 16 |
| heimii, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| helobius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| helodes, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| helvelloides, Guepinia | Trémelles et analogues | 4 |
| helvola, Clavulinopsis | Agaricales : Clavariaceae | 12 |
| helvus, Lactarius | Russulales : Russulaceae | 47 |
| hemerobia, Parasola | Agaricales : Psathyrellaceae | 28 |
| hemisphaerica, Humaria | Ascomycètes | 2 |
| hemisphaerica, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| hemisphaericum, Diderma | Eumyxomycètes | 1 |
| hemisphaerioides, Trichophaea | Ascomycètes | 2 |
| hemitrichus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| hepatica, Fistulina | Agaricales : Fistulinaceae-Schizophyllaceae | 17 |
| heptemerus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| heteromorpha, Antrodia | Polyporales | 6 |
| heterophylla, Russula | Russulales : Russulaceae | 47 |
| hetieri, Cystolepiota | Agaricales : Agaricaceae | 8 |
| hibernica, Postia | Polyporales | 6 |
| hiemale, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| hiemalis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| highlandensis, Pholiota | Agaricales : Strophariaceae | 30 |
| himantioides, Serpula | Corticiaceae s.l. | 5 |
| hinnulea, Sphaerosporella | Ascomycètes | 2 |
| hinnuleus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| hirsuta, Trametes | Polyporales | 6 |
| hirsutum, Stereum | Corticiaceae s.l. | 5 |
| hirsutum, Trichoglossum | Ascomycètes | 2 |
| hirtella, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| hirtellus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| hirtosquamulosa, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| hirtus, Jahnoporus | Russulales : Scutigeraceae | 48 |
| hispidulus, Pluteus | Agaricales : Pluteaceae | 27 |
| hispidus, Inonotus | Hymenochaetales | 7 |
| hobsonii, Clitopilus | Agaricales : Entolomataceae | 16 |
| holopus, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| hornemannii, Stropharia | Agaricales : Strophariaceae | 30 |
| hortonii, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| humosa, Octospora | Ascomycètes | 2 |
| huronensis, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| huronensis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| huroniensis, Laetiporus | Polyporales | 6 |
| hyalinus, Hypomyces | Ascomycètes | 2 |
| hygrometricus, Astraeus | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| hygrophoroides, Caulorhiza | Agaricales : Tricholomataceae | 31 |
| hygrophoroides, Lactarius | Russulales : Russulaceae | 47 |
| hymenocephala, Camarophyllopsis | Agaricales : Hygrophoraceae | 19 |
| hymenocephala, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| hypnorum, Galerina | Agaricales : Hymenogastraceae | 20 |
| hypopithys, Volvariella | Agaricales : Pluteaceae | 27 |
| hypothejus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| hypoxylon, Xylaria | Ascomycètes | 2 |
| hysginus, Lactarius | Russulales : Russulaceae | 47 |
| hystrix, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| igniarius, Phellinus | Hymenochaetales | 7 |
| ignicolor, Craterellus | Cantharellales : Cantharellaceae | 37 |
| illinita, Limacella | Agaricales : Amanitaceae | 9 |
| illinita, Limacella | Agaricales : Amanitaceae | 9 |
| illudens, Omphalotus | Agaricales : Omphalotaceae | 24 |
| illudens, Xerocomus | Boletales : Boletaceae & Paxillaceae | 33 |
| illuminus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| imbricatum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| imbricatus, Sarcodon | Thelephorales | 49 |
| imitatrix, Russula | Russulales : Russulaceae | 47 |
| impatiens, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| impennis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| imperiale, Catathelasma | Agaricales : Biannulariaceae-Resupinataceae | 10 |
| impolitus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| impudicus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| impudicus, Phallus | Phallales | 44 |
| inamoena, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| inamoenum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| incanum, Entoloma | Agaricales : Entolomataceae | 16 |
| incarnata, Arcyria | Eumyxomycètes | 1 |
| incarnatifolia, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| incarnatulum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| incerta, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| inclinata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| incognitus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| incrassata, Meruliporia | Polyporales | 6 |
| incrustans, Antrodiella | Polyporales | 6 |
| incrustans, Sebacina | Trémelles et analogues | 4 |
| indecisus, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| indigo, Lactarius | Russulales : Russulaceae | 47 |
| indistinctus, Lactarius | Russulales : Russulaceae | 47 |
| inedulis, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| inermis, Fomitiporella | Hymenochaetales | 7 |
| infida, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| inflata, Physalacria | Agaricales : Physalacriaceae | 25 |
| infractus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| infula, Gyromitra | Ascomycètes | 2 |
| innixus, Aureoboletus | Boletales : Boletaceae & Paxillaceae | 33 |
| inocybiformis, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| inopinatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| inornata, Clitocybe | Agaricales : Tricholomataceae | 31 |
| inquinans, Bulgaria | Ascomycètes | 2 |
| insigne, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| insignis, Arcyria | Eumyxomycètes | 1 |
| insignis, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| insolens, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| insolens, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| insulsus, Lactarius | Russulales : Russulaceae | 47 |
| integra, Russula | Russulales : Russulaceae | 47 |
| integrella, Delicatula | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| intermedia, Pholiotina | Agaricales : Bolbitiaceae | 11 |
| intermedium, Cystoderma | Agaricales : Agaricaceae | 8 |
| intermedium, Tricholoma | Agaricales : Tricholomataceae | 31 |
| intermedius, Boletellus | Boletales : Boletaceae & Paxillaceae | 33 |
| intermedius, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| intricata, Cribraria | Eumyxomycètes | 1 |
| intricata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| inversa, Lepista | Agaricales : Tricholomataceae | 31 |
| investiens, Vararia | Corticiaceae s.l. | 5 |
| involutus, Paxillus | Boletales : Boletaceae & Paxillaceae | 33 |
| iodes, Cortinarius | Agaricales : Cortinariaceae | 13 |
| ionides, Rugosomyces | Agaricales : Lyophyllaceae | 21 |
| ionophyllus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| irina, Lepista | Agaricales : Tricholomataceae | 31 |
| irregularis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| irregularis, Ionomidotis | Ascomycètes | 2 |
| irregularis, Neolecta | Ascomycètes | 2 |
| irrigata, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| jaapii, Galerina | Agaricales : Hymenogastraceae | 20 |
| jacksonii, Amanita | Agaricales : Amanitaceae | 9 |
| jacksonii, Amanita | Agaricales : Amanitaceae | 9 |
| jasonis, Cystoderma | Agaricales : Agaricaceae | 8 |
| jennyae, Phaeocollybia | Agaricales : Hymenogastraceae | 20 |
| joeides, Sarcodon | Thelephorales | 49 |
| johnsoniana, Pholiota | Agaricales : Strophariaceae | 30 |
| jonesii, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| jubarinus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| jubatum, Entoloma | Agaricales : Entolomataceae | 16 |
| juncinum, Entoloma | Agaricales : Entolomataceae | 16 |
| junghuhnii, Cortinarius | Agaricales : Cortinariaceae | 13 |
| juniperina, Antrodia | Polyporales | 6 |
| junonius, Gymnopilus | Agaricales : Strophariaceae | 30 |
| junquilleus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| jurana, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| kalchbrenneri, Pseudoomphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| kauffmanii, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| kauffmanii, Gomphus | Gomphales | 42 |
| kauffmanii, Hydropus | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| kauffmanii, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| kauffmanii, Stropharia | Agaricales : Strophariaceae | 30 |
| kauffmanii, Xeromphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| kmetii, Tyromyces | Polyporales | 6 |
| kuehneri, Parasola | Agaricales : Psathyrellaceae | 28 |
| kunzei, Ramariopsis | Agaricales : Clavariaceae | 12 |
| laccata, Laccaria | Agaricales : Hydnangiaceae | 18 |
| lacera, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| lacera, Junghuhnia | Polyporales | 6 |
| lacerata, Clitocybula | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| lacmus, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| lacrymabunda, Lacrymaria | Agaricales : Psathyrellaceae | 28 |
| lacrymans, Serpula | Corticiaceae s.l. | 5 |
| lactea, Helvella | Ascomycètes | 2 |
| lactea, Hemimycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| lacteus, Irpex | Polyporales | 6 |
| lactifluorum, Hypomyces | Ascomycètes | 2 |
| lacunosa, Helvella | Ascomycètes | 2 |
| laeta, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| laeta, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| laeticolor, Clavulinopsis | Agaricales : Clavariaceae | 12 |
| laetum, Erythricium | Corticiaceae s.l. | 5 |
| laeve, Crucibulum | Agaricales : Agaricaceae | 8 |
| laevigata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| lagenicystis, Conocybe | Agaricales : Bolbitiaceae | 11 |
| lagenicystis, Entoloma | Agaricales : Entolomataceae | 16 |
| lagopides, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| lagopus, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| lanatodisca, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| laniger, Coprinus | Agaricales : Psathyrellaceae | 28 |
| laniger, Cortinarius | Agaricales : Cortinariaceae | 13 |
| lanigeroides, Cortinarius | Agaricales : Cortinariaceae | 13 |
| lanuginosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| lanuginosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| lapponicus, Amylocystis | Polyporales | 6 |
| larga, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| largus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| laricinum, Trichaptum | Polyporales | 6 |
| latemarginatus, Oxyporus | Hymenochaetales | 7 |
| laterarius, Hypomyces | Ascomycètes | 2 |
| laterarius, Leucopaxillus | Agaricales : Tricholomataceae | 31 |
| lateritia, Galerina | Agaricales : Hymenogastraceae | 20 |
| lateritia, Postia | Polyporales | 6 |
| lateritia, Russula | Russulales : Russulaceae | 47 |
| lateritium, Physarum | Eumyxomycètes | 1 |
| lateritius, Hypomyces | Ascomycètes | 2 |
| latifolia, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| latifolia, Russula | Russulales : Russulaceae | 47 |
| latispora, Helvella | Ascomycètes | 2 |
| latitans, Hyphodontia | Hymenochaetales | 7 |
| latizonata, Hypocrea | Ascomycètes | 2 |
| laurae, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| laurae, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| laurentiana, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| laurentii, Peniophora | Corticiaceae s.l. | 5 |
| laurocerasi, Russula | Russulales : Russulaceae | 47 |
| laxum, Asterostroma | Corticiaceae s.l. | 5 |
| leaiana, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| ledi, Chrysomyxa | Charbons et rouilles | 3 |
| ledicola, Chrysomyxa | Charbons et rouilles | 3 |
| leiocephala, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| leiocephala, Parasola | Agaricales : Psathyrellaceae | 28 |
| leiopus, Gibellula | Anamorphes | 50 |
| lenis, Cinereomyces | Polyporales | 6 |
| lenta, Pholiota | Agaricales : Strophariaceae | 30 |
| lenta, Wrightoporia | Polyporales | 6 |
| leoninus, Pluteus | Agaricales : Pluteaceae | 27 |
| leotiicola, Hypomyces | Ascomycètes | 2 |
| lepideus, Neolentinus | Gloeophyllales | 41 |
| lepidissimum, Entoloma | Agaricales : Entolomataceae | 16 |
| leporina, Onnia | Hymenochaetales | 7 |
| leptocephala, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| leptocystis, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| leptoformosa, Ramaria | Gomphales | 42 |
| leptophylla, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| leptophylla, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| leucoblema, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| leucobryicola, Galerina | Agaricales : Hymenogastraceae | 20 |
| leucomallella, Postia | Polyporales | 6 |
| leucomelaena, Boletopsis | Thelephorales | 49 |
| leucomycelinus, Phylloporus | Boletales : Boletaceae & Paxillaceae | 33 |
| leucopaxilloides, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| leucophaea, Trichopeziza | Ascomycètes | 2 |
| leucopus, Physarum | Eumyxomycètes | 1 |
| leucothites, Leucoagaricus | Agaricales : Agaricaceae | 8 |
| leucotricha, Leucoscypha | Ascomycètes | 2 |
| leucoxantha, Gyromitra | Ascomycètes | 2 |
| leviderma, Fuligo | Eumyxomycètes | 1 |
| levis, Lentinus | Polyporales | 6 |
| lichenoides, Hypocreopsis | Ascomycètes | 2 |
| lignatilis, Ossicaulis | Agaricales : Lyophyllaceae | 21 |
| lignicola, Buchwaldoboletus | Boletales : Boletaceae & Paxillaceae | 33 |
| lignicola, Kuehneromyces | Agaricales : Strophariaceae | 30 |
| lignophila, Amanita | Agaricales : Amanitaceae | 9 |
| lignyota, Rhizodiscina | Ascomycètes | 2 |
| lignyotus, Lactarius | Russulales : Russulaceae | 47 |
| lignyotus, Lactarius | Russulales : Russulaceae | 47 |
| ligula, Clavariadelphus | Gomphales | 42 |
| lilacea, Russula | Russulales : Russulaceae | 47 |
| lilacifolia, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| lilacifolius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| lilacina, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| lilacina, Skeletocutis | Polyporales | 6 |
| lilacinus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| lilacipes, Cystoderma | Agaricales : Agaricaceae | 8 |
| limnaea, Peziza | Ascomycètes | 2 |
| limonella, Pholiota | Agaricales : Strophariaceae | 30 |
| limonispora, Xerula | Agaricales : Physalacriaceae | 25 |
| limonius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| limosus, Marasmius | Agaricales : Marasmiaceae | 22 |
| lindbladii, Cinereomyces | Polyporales | 6 |
| lineatus, Rigidoporus | Polyporales | 6 |
| lineolatus, Ascobolus | Ascomycètes | 2 |
| liquiritiae, Gymnopilus | Agaricales : Strophariaceae | 30 |
| lividoalbum, Entoloma | Agaricales : Entolomataceae | 16 |
| lividocyanulum, Entoloma | Agaricales : Entolomataceae | 16 |
| lividofusca, Mollisia | Ascomycètes | 2 |
| lobata, Arrhenia | Agaricales : Pterulaceae-Typhulaceae | 29 |
| longicaudum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| longicystis, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| longipes, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| longipes, Laccaria | Agaricales : Hydnangiaceae | 18 |
| longipes, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| longipes, Rutstroemia | Ascomycètes | 2 |
| longipes, Xylaria | Ascomycètes | 2 |
| longiporus, Polyporus | Polyporales | 6 |
| longisegmentis, Elaphocordyceps | Ascomycètes | 2 |
| longiseta, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| longistriatum, Entoloma | Agaricales : Entolomataceae | 16 |
| longistriatus, Pluteus | Agaricales : Pluteaceae | 27 |
| lorillardiana, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| louisii, Gymnopus | Agaricales : Omphalotaceae | 24 |
| lowei, Postia | Polyporales | 6 |
| lubrica, Leotia | Ascomycètes | 2 |
| lubrica, Pholiota | Agaricales : Strophariaceae | 30 |
| lucidum, Entoloma | Agaricales : Entolomataceae | 16 |
| lucifera, Pholiota | Agaricales : Strophariaceae | 30 |
| lucorum, Cortinarius | Agaricales : Cortinariaceae | 13 |
| luctuosus, Pluteus | Agaricales : Pluteaceae | 27 |
| lundellii, Phellinus | Hymenochaetales | 7 |
| lunulatospora, Mitrula | Ascomycètes | 2 |
| luridum, Entoloma | Agaricales : Entolomataceae | 16 |
| luridus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| luridus, Lactarius | Russulales : Russulaceae | 47 |
| lutea, Cudonia | Ascomycètes | 2 |
| lutea, Ramaria | Gomphales | 42 |
| luteispora, Russula | Russulales : Russulaceae | 47 |
| luteoalba, Junghuhnia | Polyporales | 6 |
| luteoarmillatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| luteobrunneum, Entoloma | Agaricales : Entolomataceae | 16 |
| luteofolius, Gymnopilus | Agaricales : Strophariaceae | 30 |
| luteogriseascens, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| luteolosperma, Galerina | Agaricales : Hymenogastraceae | 20 |
| luteolus, Lactarius | Russulales : Russulaceae | 47 |
| luteomaculosum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| luteoolivaceum, Callistosporium | Agaricales : Tricholomataceae | 31 |
| luteovirens, Hypomyces | Ascomycètes | 2 |
| lutescens, Craterellus | Cantharellales : Cantharellaceae | 37 |
| lutescens, Pholiota | Agaricales : Strophariaceae | 30 |
| lutescentipes, Russula | Russulales : Russulaceae | 47 |
| luteum, Entoloma | Agaricales : Entolomataceae | 16 |
| luteum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| luteus, Gymnopilus | Agaricales : Strophariaceae | 30 |
| luteus, Hymenogaster | Agaricales : Hymenogastraceae | 20 |
| luteus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| luxurians, Gymnopus | Agaricales : Omphalotaceae | 24 |
| lycoperdoides, Asterophora | Agaricales : Lyophyllaceae | 21 |
| lycoperdon, Reticularia | Eumyxomycètes | 1 |
| mackinawensis, Lactarius | Russulales : Russulaceae | 47 |
| macra, Antrodia | Polyporales | 6 |
| macrocarpum, Hypoxylon | Ascomycètes | 2 |
| macrocephala, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| macrocystidiata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| macropus, Helvella | Ascomycètes | 2 |
| macropus, Helvella | Ascomycètes | 2 |
| macrospora, Naucoria | Agaricales : Hymenogastraceae | 20 |
| macrospora, Tatraea | Ascomycètes | 2 |
| maculata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| maculata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| maculata, Rhodocollybia | Agaricales : Omphalotaceae | 24 |
| maculata, Rhodocollybia | Agaricales : Omphalotaceae | 24 |
| maculatior, Russula | Russulales : Russulaceae | 47 |
| maculatipes, Lactarius | Russulales : Russulaceae | 47 |
| maculatum, Cystangium | Russulales : Russulaceae | 47 |
| maculatus, Gomphidius | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| maculatus, Lactarius | Russulales : Russulaceae | 47 |
| maculosus, Lactarius | Russulales : Russulaceae | 47 |
| madeodisca, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| magna, Amanita | Agaricales : Amanitaceae | 9 |
| magnipes, Ramaria | Gomphales | 42 |
| magnivelare, Tricholoma | Agaricales : Tricholomataceae | 31 |
| magnivelaris, Amanita | Agaricales : Amanitaceae | 9 |
| major, Arcyria | Eumyxomycètes | 1 |
| malachius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| malachius, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| malicola, Antrodia | Polyporales | 6 |
| malicorius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| mammosus, Lactarius | Russulales : Russulaceae | 47 |
| mappa, Postia | Polyporales | 6 |
| marchii, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| marculentus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| margaritispora, Mycenella | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| marginata, Galerina | Agaricales : Hymenogastraceae | 20 |
| marginata, Humidicutis | Agaricales : Hygrophoraceae | 19 |
| marginatum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| marginella, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| marginellus, Hydropus | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| marginellus, Kuehneromyces | Agaricales : Strophariaceae | 30 |
| mariae, Russula | Russulales : Russulaceae | 47 |
| maritima, Laccaria | Agaricales : Hydnangiaceae | 18 |
| maritimoides, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| marmoripes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| marquettense, Tricholoma | Agaricales : Tricholomataceae | 31 |
| martiorum, Lepista | Agaricales : Tricholomataceae | 31 |
| mastrucata, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| maura, Myxomphalia | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| mauretanica, Hemimycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| mauryanum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| maxima, Brefeldia | Eumyxomycètes | 1 |
| maxima, Crinipellis | Agaricales : Marasmiaceae | 22 |
| maydis, Ustilago | Charbons et rouilles | 3 |
| mediterranea, Biscogniauxia | Ascomycètes | 2 |
| medulla-panis, Perenniporia | Polyporales | 6 |
| megalocarpus, Syzygites | Espèces non classées | 51 |
| megalospora, Xerula | Agaricales : Physalacriaceae | 25 |
| megalosporum, Didymium | Eumyxomycètes | 1 |
| megaspora, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| melaleuca, Melanoleuca | Agaricales : Tricholomataceae | 31 |
| melaleuca, Mollisia | Ascomycètes | 2 |
| melaleucus, Phellodon | Thelephorales | 49 |
| melaloma, Anthracobia | Ascomycètes | 2 |
| melaneum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| melanocarpus, Hypomyces | Ascomycètes | 2 |
| melanopus, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| melanopus, Polyporus | Polyporales | 6 |
| melanospermum, Didymium | Eumyxomycètes | 1 |
| melanotus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| meleagris, Leucoagaricus | Agaricales : Agaricaceae | 8 |
| meliigena, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| melinoides, Naucoria | Agaricales : Hymenogastraceae | 20 |
| mellea, Armillaria | Agaricales : Physalacriaceae | 25 |
| melleidiscum, Entoloma | Agaricales : Entolomataceae | 16 |
| melolonthae, Cordyceps | Ascomycètes | 2 |
| mephiticum, Entoloma | Agaricales : Entolomataceae | 16 |
| merdaria, Pseudombrophila | Ascomycètes | 2 |
| merdaria, Psilocybe | Agaricales : Strophariaceae | 30 |
| meridionale, Scleroderma | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| merismatoides, Tremellodendron | Trémelles et analogues | 4 |
| merismoides, Phlebia | Corticiaceae s.l. | 5 |
| merulioides, Boletinellus | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| mesenterica, Tremella | Trémelles et analogues | 4 |
| mesophaeum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| mesotephrus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| metachroa, Clitocybe | Agaricales : Tricholomataceae | 31 |
| metata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| micaceus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| michelii, Peziza | Ascomycètes | 2 |
| micheneri, Lentinellus | Russulales : Auriscalpiaceae | 45 |
| michiganense, Tricholoma | Agaricales : Tricholomataceae | 31 |
| michiganensis, Russula | Russulales : Russulaceae | 47 |
| microcarpa, Cribraria | Eumyxomycètes | 1 |
| micromegethus, Agaricus | Agaricales : Agaricaceae | 8 |
| microrhiza, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| microspermus, Hypomyces | Ascomycètes | 2 |
| microspora, Pseudobaeospora | Agaricales : Tricholomataceae | 31 |
| microsporus, Dacrymyces | Trémelles et analogues | 4 |
| midlandensis, Lactarius | Russulales : Russulaceae | 47 |
| militaris, Cordyceps | Ascomycètes | 2 |
| millepunctata, Hyalopeziza | Ascomycètes | 2 |
| millepunctata, Olla | Ascomycètes | 2 |
| miniata, Clavulinopsis | Agaricales : Clavariaceae | 12 |
| miniata, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| miniatopallescens, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| minima, Galerina | Agaricales : Hymenogastraceae | 20 |
| minima, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| minimum, Geastrum | Geastrales | 40 |
| minor, Cantharellus | Cantharellales : Cantharellaceae | 37 |
| minor, Dacrymyces | Trémelles et analogues | 4 |
| minusculus, Lactarius | Russulales : Russulaceae | 47 |
| minuta, Arcyria | Eumyxomycètes | 1 |
| minutissima, Flagelloscypha | Espèces non classées | 51 |
| minutula, Amanita | Agaricales : Amanitaceae | 9 |
| minutula, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| minutula, Ramariopsis | Agaricales : Clavariaceae | 12 |
| minutus, Marasmius | Agaricales : Marasmiaceae | 22 |
| mira, Russula | Russulales : Russulaceae | 47 |
| mirabilis, Cribraria | Eumyxomycètes | 1 |
| mirabilis, Naucoria | Agaricales : Hymenogastraceae | 20 |
| mirata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| mitis, Panellus | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| mixta, Pholiota | Agaricales : Strophariaceae | 30 |
| mixtilis, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| mniophila, Galerina | Agaricales : Hymenogastraceae | 20 |
| modesta, Russula | Russulales : Russulaceae | 47 |
| mokusin, Lysurus | Phallales | 44 |
| molle, Lycoperdon | Agaricales : Agaricaceae | 8 |
| mollis, Datronia | Polyporales | 6 |
| mollis, Leptoporus | Polyporales | 6 |
| mollissimus, Parmastomyces | Polyporales | 6 |
| mollusca, Leucogyrophana | Corticiaceae s.l. | 5 |
| mollusca, Trechispora | Polyporales | 6 |
| molybdites, Chlorophyllum | Agaricales : Agaricaceae | 8 |
| montagnei, Coltricia | Hymenochaetales | 7 |
| montagnei, Coltricia | Hymenochaetales | 7 |
| montana, Psilocybe | Agaricales : Strophariaceae | 30 |
| montanus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| monticola, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| monticola, Hymenoscyphus | Ascomycètes | 2 |
| morbosa, Apiosporina | Ascomycètes | 2 |
| morganii, Geastrum | Geastrales | 40 |
| moriformis, Bertia | Ascomycètes | 2 |
| morrisii, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| mucida, Holwaya | Ascomycètes | 2 |
| mucida, Multiclavula | Cantharellales : Clavulinaceae | 38 |
| mucidus, Lactarius | Russulales : Russulaceae | 47 |
| mucidus, Lactarius | Russulales : Russulaceae | 47 |
| mucifluus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| mucor, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| mucosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| multifolia, Pholiota | Agaricales : Strophariaceae | 30 |
| multiforme, Annulohypoxylon | Ascomycètes | 2 |
| multiformis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| multipartita, Thelephora | Thelephorales | 49 |
| multipedata, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| multiplex, Polyozellus | Thelephorales | 49 |
| multisquamosa, Amanita | Agaricales : Amanitaceae | 9 |
| muricatus, Elaphomyces | Ascomycètes | 2 |
| murina, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| murinacea, Conocybe | Agaricales : Bolbitiaceae | 11 |
| murinacea, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| murinum, Entoloma | Agaricales : Entolomataceae | 16 |
| murrayi, Cystostereum | Corticiaceae s.l. | 5 |
| murrayi, Entoloma | Agaricales : Entolomataceae | 16 |
| murrilliana, Amanita | Agaricales : Amanitaceae | 9 |
| muscaria, Amanita | Agaricales : Amanitaceae | 9 |
| muscaria, Amanita | Agaricales : Amanitaceae | 9 |
| muscicola, Sistotrema | Cantharellales : Hydnaceae | 39 |
| mustelina, Russula | Russulales : Russulaceae | 47 |
| mutabilis, Kuehneromyces | Agaricales : Strophariaceae | 30 |
| mutans, Hapalopilus | Polyporales | 6 |
| mutata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| myceliosa, Ramaria | Gomphales | 42 |
| myceliosum, Anomoloma | Polyporales | 6 |
| mycetophila, Syzygospora | Trémelles et analogues | 4 |
| mycetophiloides, Tremella | Trémelles et analogues | 4 |
| myomyces, Tricholoma | Agaricales : Tricholomataceae | 31 |
| myosotis, Hypholoma | Agaricales : Strophariaceae | 30 |
| myosura, Baeospora | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| myriadophylla, Baeospora | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| nancyae, Lactarius | Russulales : Russulaceae | 47 |
| nannfeldtii, Plectania | Ascomycètes | 2 |
| napipes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| narymica, Perenniporia | Polyporales | 6 |
| nauseosa, Russula | Russulales : Russulaceae | 47 |
| nauseosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| neoalbidipes, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| neobrunnescens, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| neoformosa, Ramaria | Gomphales | 42 |
| neophana, Lepiota | Agaricales : Agaricaceae | 8 |
| neotabidus, Lactarius | Russulales : Russulaceae | 47 |
| nephrodes, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| nidulans, Phyllotopsis | Agaricales : Pterulaceae-Typhulaceae | 29 |
| niger, Phellodon | Thelephorales | 49 |
| nigrella, Pseudoplectania | Ascomycètes | 2 |
| nigrescens, Lycoperdon | Agaricales : Agaricaceae | 8 |
| nigrescens, Stemonitis | Eumyxomycètes | 1 |
| nigricans, Gomphidius | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| nigricans, Phellinus | Hymenochaetales | 7 |
| nigripes, Tetrapyrgos | Agaricales : Marasmiaceae | 22 |
| nigritum, Geoglossum | Ascomycètes | 2 |
| nigrocuspidatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| nigrodisca, Volvariella | Agaricales : Pluteaceae | 27 |
| niphoides, Entoloma | Agaricales : Entolomataceae | 16 |
| nitellina, Rhodocybe | Agaricales : Entolomataceae | 16 |
| nitida, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| nitida, Junghuhnia | Polyporales | 6 |
| nitida, Russula | Russulales : Russulaceae | 47 |
| nitidiuscula, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| nitidus, Lactarius | Russulales : Russulaceae | 47 |
| nivea, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| nivea, Plicatura | Corticiaceae s.l. | 5 |
| nivea, Skeletocutis | Polyporales | 6 |
| niveipes, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| niveus, Pluteus | Agaricales : Pluteaceae | 27 |
| nobilis, Laccaria | Agaricales : Hydnangiaceae | 18 |
| nodosporum, Entoloma | Agaricales : Entolomataceae | 16 |
| nodulosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| notabile, Physarum | Eumyxomycètes | 1 |
| nucicola, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| nucleata, Exidia | Trémelles et analogues | 4 |
| nuda, Lepista | Agaricales : Tricholomataceae | 31 |
| nuda, Peniophora | Corticiaceae s.l. | 5 |
| nyssicola, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| oakesii, Aleurodiscus | Corticiaceae s.l. | 5 |
| obducta, Osteina | Polyporales | 6 |
| oblatum, Physarum | Eumyxomycètes | 1 |
| oblectabilis, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| obliquus, Inonotus | Hymenochaetales | 7 |
| oblongisporum, Sistotrema | Cantharellales : Hydnaceae | 39 |
| obscurobadia, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| obscurum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| obtusata, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| obtusissima, Ramaria | Gomphales | 42 |
| obtusus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| obvelata, Arcyria | Eumyxomycètes | 1 |
| occidentalis, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| occidentalis, Sarcoscypha | Ascomycètes | 2 |
| ochracea, Russula | Russulales : Russulaceae | 47 |
| ochracea, Trametes | Polyporales | 6 |
| ochraceum, Steccherinum | Polyporales | 6 |
| ochraceus, Chroogomphus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| ochraceus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| ochroalba, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| ochroalba, Skeletocutis | Polyporales | 6 |
| ochroalboides, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| ochroleucoides, Russula | Russulales : Russulaceae | 47 |
| ochrophyllus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| ochropurpurea, Laccaria | Agaricales : Hydnangiaceae | 18 |
| ocior, Gymnopus | Agaricales : Omphalotaceae | 24 |
| oculatus, Lactarius | Russulales : Russulaceae | 47 |
| oculus, Clitocybula | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| odhinnii, Cortinarius | Agaricales : Cortinariaceae | 13 |
| odora, Clitocybe | Agaricales : Tricholomataceae | 31 |
| odora, Russula | Russulales : Russulaceae | 47 |
| odora, Skeletocutis | Polyporales | 6 |
| odoratum, Scytinostroma | Corticiaceae s.l. | 5 |
| odorifer, Cortinarius | Agaricales : Cortinariaceae | 13 |
| odorifera, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| odorum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| odorus, Haploporus | Polyporales | 6 |
| oerstedii, Arcyria | Eumyxomycètes | 1 |
| officinalis, Laricifomes | Polyporales | 6 |
| ohiensis, Laccaria | Agaricales : Hydnangiaceae | 18 |
| ohiensis, Truncospora | Polyporales | 6 |
| olearioides, Cortinarius | Agaricales : Cortinariaceae | 13 |
| oleracea, Amyloporia | Polyporales | 6 |
| olida, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| olidus, Marasmius | Agaricales : Marasmiaceae | 22 |
| olivacea, Catinella | Ascomycètes | 2 |
| olivacea, Hydnochaete | Hymenochaetales | 7 |
| olivacea, Russula | Russulales : Russulaceae | 47 |
| olivaceoalbus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| olivaceoflava, Ramaria | Gomphales | 42 |
| olivaceofuscus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| olivaceomarginata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| olivaceostramineus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| olivaceotinctum, Hypholoma | Agaricales : Strophariaceae | 30 |
| olivaceum, Microglossum | Ascomycètes | 2 |
| olivaceus, Craterellus | Cantharellales : Cantharellaceae | 37 |
| olivascens, Russula | Russulales : Russulaceae | 47 |
| olla, Cyathus | Agaricales : Agaricaceae | 8 |
| omphalodes, Pyronema | Ascomycètes | 2 |
| onotica, Otidea | Ascomycètes | 2 |
| onusta, Amanita | Agaricales : Amanitaceae | 9 |
| operculata, Tectella | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| operta, Russula | Russulales : Russulaceae | 47 |
| ophioglossoides, Elaphocordyceps | Ascomycètes | 2 |
| oreades, Marasmius | Agaricales : Marasmiaceae | 22 |
| oregana, Cribraria | Eumyxomycètes | 1 |
| oreophilum, Steccherinum | Polyporales | 6 |
| ornaticeps, Russula | Russulales : Russulaceae | 47 |
| ornatipes, Clavulina | Cantharellales : Clavulinaceae | 38 |
| ornatipes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| ornatipes, Retiboletus | Boletales : Boletaceae & Paxillaceae | 33 |
| ostoyae, Armillaria | Agaricales : Physalacriaceae | 25 |
| ostracoderma, Peziza | Ascomycètes | 2 |
| ostreatus, Pleurotus | Agaricales : Pleurotaceae | 26 |
| ovalispora, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| overholtsii, Diplomitoporus | Polyporales | 6 |
| overholtsii, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| ovina, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| ovinus, Albatrellus | Russulales : Scutigeraceae | 48 |
| oxydabile, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| pachyodon, Sarcodontia | Polyporales | 6 |
| pachyphylla, Pseudoomphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| pacificus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| pallasii, Antrodiella | Polyporales | 6 |
| pallida, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| pallida, Protocrea | Ascomycètes | 2 |
| pallidiceps, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pallidiceps, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| pallidipes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| pallidobrunnea, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| pallidobrunnescens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pallidocephalus, Marasmius | Agaricales : Marasmiaceae | 22 |
| pallidolutea, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| pallidum, Tremellodendron | Trémelles et analogues | 4 |
| pallidus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| pallidus, Cyathus | Agaricales : Agaricaceae | 8 |
| pallidus, Pluteus | Agaricales : Pluteaceae | 27 |
| palmata, Thelephora | Thelephorales | 49 |
| palmatus, Rhodotus | Agaricales : Physalacriaceae | 25 |
| paludinella, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| paludinella, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| paludinellus, Lactarius | Russulales : Russulaceae | 47 |
| paludosa, Galerina | Agaricales : Hymenogastraceae | 20 |
| paludosa, Naucoria | Agaricales : Hymenogastraceae | 20 |
| paludosa, Russula | Russulales : Russulaceae | 47 |
| paludosus, Marasmiellus | Agaricales : Marasmiaceae | 22 |
| paluster, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| palustris, Hypholoma | Agaricales : Strophariaceae | 30 |
| palustris, Tephrocybe | Agaricales : Lyophyllaceae | 21 |
| pannocinctus, Gloeoporus | Polyporales | 6 |
| pannosa, Cotylidia | Corticiaceae s.l. | 5 |
| panuoides, Tapinella | Boletales : Hygrophoropsidaceae-Tapinellaceae | 36 |
| papilionaceus, Panaeolus | Agaricales : Bolbitiaceae | 11 |
| papillatum, Entoloma | Agaricales : Entolomataceae | 16 |
| papillatus, Marasmiellus | Agaricales : Marasmiaceae | 22 |
| papulosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| papyracea, Pachykytospora | Polyporales | 6 |
| parabolica, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| paradoxa, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| paradoxa, Schizopora | Hymenochaetales | 7 |
| paradoxus, Lactarius | Russulales : Russulaceae | 47 |
| paragaudis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| parasitica, Asterophora | Agaricales : Lyophyllaceae | 21 |
| parasitica, Neobarya | Ascomycètes | 2 |
| parasiticus, Pseudoboletus | Boletales : Boletaceae & Paxillaceae | 33 |
| pardinum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| parvannulatus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| parvifibrillosa, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| parvula, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| pascuense, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| patella, Hypocrea | Ascomycètes | 2 |
| peckianus, Xanthoporus | Polyporales | 6 |
| peckii, Hydnellum | Thelephorales | 49 |
| peckii, Lactarius | Russulales : Russulaceae | 47 |
| peckii, Russula | Russulales : Russulaceae | 47 |
| pectinata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| pectinatoides, Russula | Russulales : Russulaceae | 47 |
| pectinatum, Geastrum | Geastrales | 40 |
| pediades, Agrocybe | Agaricales : Strophariaceae | 30 |
| pelargonium, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| pelianthina, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| pellitus, Pluteus | Agaricales : Pluteaceae | 27 |
| pellstonianus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pendulus, Porodisculus | Agaricales : Fistulinaceae-Schizophyllaceae | 17 |
| penetrans, Gymnopilus | Agaricales : Strophariaceae | 30 |
| pennata, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| pennsylvanica, Scutellinia | Ascomycètes | 2 |
| percomis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| percubisporum, Entoloma | Agaricales : Entolomataceae | 16 |
| perennis, Coltricia | Hymenochaetales | 7 |
| perforans, Gymnopus | Agaricales : Omphalotaceae | 24 |
| perforatum, Hypoxylon | Ascomycètes | 2 |
| perlata, Gyromitra | Ascomycètes | 2 |
| perlatum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| perminuscula, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| perparva, Russula | Russulales : Russulaceae | 47 |
| perrubescens, Agaricus | Agaricales : Agaricaceae | 8 |
| pessundatum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| petaloides, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| petasatus, Pluteus | Agaricales : Pluteaceae | 27 |
| petersenii, Lactarius | Russulales : Russulaceae | 47 |
| peziza, Nectria | Ascomycètes | 2 |
| peziziformis, Femsjonia | Trémelles et analogues | 4 |
| pezizoides, Helvella | Ascomycètes | 2 |
| phaeococcinea, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| phaeophthalma, Clitocybe | Agaricales : Tricholomataceae | 31 |
| phillipsii, Melanotus | Agaricales : Strophariaceae | 30 |
| phlebophorus, Pluteus | Agaricales : Pluteaceae | 27 |
| pholideus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| phyllogena, Peziza | Ascomycètes | 2 |
| phyllogena, Psilocybe | Agaricales : Strophariaceae | 30 |
| phyllophila, Clitocybe | Agaricales : Tricholomataceae | 31 |
| picacea, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| piceae, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| piceina, Pholiota | Agaricales : Strophariaceae | 30 |
| piceina, Porodaedalea | Hymenochaetales | 7 |
| piceinum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| piceinus, Leucopaxillus | Agaricales : Tricholomataceae | 31 |
| picreus, Gymnopilus | Agaricales : Strophariaceae | 30 |
| picta, Xeromphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| pictus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| pila, Bovista | Agaricales : Agaricaceae | 8 |
| pilatii, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pilosella, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| piluliformis, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| pinacearum, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| pini, Porodaedalea | Hymenochaetales | 7 |
| pinicola, Fomitopsis | Polyporales | 6 |
| pinophila, Amanita | Agaricales : Amanitaceae | 9 |
| piperatoides, Chalciporus | Boletales : Boletaceae & Paxillaceae | 33 |
| piperatus, Chalciporus | Boletales : Boletaceae & Paxillaceae | 33 |
| piperatus, Lactarius | Russulales : Russulaceae | 47 |
| pistillaris, Clavariadelphus | Gomphales | 42 |
| pistillicystis, Galerina | Agaricales : Hymenogastraceae | 20 |
| placenta, Postia | Polyporales | 6 |
| placidum, Entoloma | Agaricales : Entolomataceae | 16 |
| placidus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| placomyces, Agaricus | Agaricales : Agaricaceae | 8 |
| plagioporus, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| planchonis, Smardaea | Ascomycètes | 2 |
| platyphylla, Galerina | Agaricales : Hymenogastraceae | 20 |
| platypus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| platystoma, Graphostroma | Ascomycètes | 2 |
| plautus, Pluteus | Agaricales : Pluteaceae | 27 |
| plicatilis, Parasola | Agaricales : Psathyrellaceae | 28 |
| plumbea, Bovista | Agaricales : Agaricaceae | 8 |
| plumbea, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| plumbeoviolaceus, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| plumbeum, Dictydiaethalium | Eumyxomycètes | 1 |
| pluvius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| poarum, Puccinia | Charbons et rouilles | 3 |
| podospileus, Pluteus | Agaricales : Pluteaceae | 27 |
| politum, Entoloma | Agaricales : Entolomataceae | 16 |
| polycephala, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| polycephalum, Physarum | Eumyxomycètes | 1 |
| polychroa, Pholiota | Agaricales : Strophariaceae | 30 |
| polycystis, Russula | Russulales : Russulaceae | 47 |
| polygramma, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| polymorpha, Xylaria | Ascomycètes | 2 |
| polyphylla, Russula | Russulales : Russulaceae | 47 |
| polyphyllus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| polyporaeum, Phaeocalicium | Ascomycètes | 2 |
| polytrichi, Hypholoma | Agaricales : Strophariaceae | 30 |
| polytrichophila, Psilocybe | Agaricales : Strophariaceae | 30 |
| ponderatus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| popinalis, Rhodocybe | Agaricales : Entolomataceae | 16 |
| populinum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| populinum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| populinus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| populinus, Oxyporus | Hymenochaetales | 7 |
| populinus, Pleurotus | Agaricales : Pleurotaceae | 26 |
| populiphila, Amanita | Agaricales : Amanitaceae | 9 |
| porcina, Pseudombrophila | Ascomycètes | 2 |
| poriaeformis, Resupinatus | Agaricales : Biannulariaceae-Resupinataceae | 10 |
| porioides, Ceratiomyxa | Eumyxomycètes | 1 |
| porphyria, Amanita | Agaricales : Amanitaceae | 9 |
| porphyrocephalus, Agaricus | Agaricales : Agaricaceae | 8 |
| porphyropus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| porphyrosporus, Porphyrellus | Boletales : Boletaceae & Paxillaceae | 33 |
| porrigens, Pleurocybella | Agaricales : Pterulaceae-Typhulaceae | 29 |
| portentosum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| praecox, Agrocybe | Agaricales : Strophariaceae | 30 |
| praecox, Amanita | Agaricales : Amanitaceae | 9 |
| praelonga, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| praestans, Cortinarius | Agaricales : Cortinariaceae | 13 |
| praestigiosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| praetervisa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| praetervisa, Peziza | Ascomycètes | 2 |
| praeumbonata, Russula | Russulales : Russulaceae | 47 |
| pratensis, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| primulina, Ramaria | Gomphales | 42 |
| privignoides, Cortinarius | Agaricales : Cortinariaceae | 13 |
| procera, Macrolepiota | Agaricales : Agaricaceae | 8 |
| prolixa, Pholiota | Agaricales : Strophariaceae | 30 |
| prominens, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| prominens, Macrolepiota | Agaricales : Agaricaceae | 8 |
| prona, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| protractum, Gloeophyllum | Gloeophyllales | 41 |
| protractum, Microstoma | Ascomycètes | 2 |
| proxima, Galerina | Agaricales : Hymenogastraceae | 20 |
| proxima, Laccaria | Agaricales : Hydnangiaceae | 18 |
| proximans, Pholiota | Agaricales : Strophariaceae | 30 |
| proximella, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| proximellus, Lactarius | Russulales : Russulaceae | 47 |
| pruinosa, Clitocybe | Agaricales : Tricholomataceae | 31 |
| pruinosipes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| prunicola, Phellinus | Hymenochaetales | 7 |
| prunulus, Clitopilus | Agaricales : Entolomataceae | 16 |
| psammicola, Lactarius | Russulales : Russulaceae | 47 |
| psammicola, Lactarius | Russulales : Russulaceae | 47 |
| pseudobetulinus, Royoporus | Polyporales | 6 |
| pseudobiformis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pseudobrunnescens, Amanita | Agaricales : Amanitaceae | 9 |
| pseudocandolleana, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| pseudocelatum, Entoloma | Agaricales : Entolomataceae | 16 |
| pseudocoelestinum, Entoloma | Agaricales : Entolomataceae | 16 |
| pseudocuneatum, Entoloma | Agaricales : Entolomataceae | 16 |
| pseudodeceptivus, Lactarius | Russulales : Russulaceae | 47 |
| pseudodecolorans, Russula | Russulales : Russulaceae | 47 |
| pseudoflexuosus, Lactarius | Russulales : Russulaceae | 47 |
| pseudofulva, Amanita | Agaricales : Amanitaceae | 9 |
| pseudoglaucopus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pseudolactea, Hemimycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| pseudolepida, Russula | Russulales : Russulaceae | 47 |
| pseudopallidus, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| pseudoplacidum, Entoloma | Agaricales : Entolomataceae | 16 |
| pseudopraestans, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pseudopungens, Entoloma | Agaricales : Entolomataceae | 16 |
| pseudoscabrum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| pseudosiparia, Pholiota | Agaricales : Strophariaceae | 30 |
| pseudosuecica, Ramaria | Gomphales | 42 |
| pseudoterreum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| pseudotubarius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pseudoumbrina, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| pseudovernalis, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| pseudovolvata, Amanita | Agaricales : Amanitaceae | 9 |
| psittacina, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| psittacina, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| pterigena, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| ptychogaster, Postia | Polyporales | 6 |
| puber, Henningsomyces | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| pubescens, Lactarius | Russulales : Russulaceae | 47 |
| pubescens, Trametes | Polyporales | 6 |
| pudorinum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| pudorinus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| puellaris, Russula | Russulales : Russulaceae | 47 |
| puellaris, Russula | Russulales : Russulaceae | 47 |
| pulchella, Conocybe | Agaricales : Bolbitiaceae | 11 |
| pulchella, Russula | Russulales : Russulaceae | 47 |
| pulcherripes, Marasmius | Agaricales : Marasmiaceae | 22 |
| pulchra, Russula | Russulales : Russulaceae | 47 |
| pulchriceps, Russula | Russulales : Russulaceae | 47 |
| pulchrifolius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pulchrifolius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pullum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| pulmonarius, Pleurotus | Agaricales : Pleurotaceae | 26 |
| pululahuana, Ductifera | Trémelles et analogues | 4 |
| pulveraceus, Proliferodiscus | Ascomycètes | 2 |
| pulverulenta, Leucogyrophana | Corticiaceae s.l. | 5 |
| pulverulentus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| pulvinata, Hypocrea | Ascomycètes | 2 |
| pumila, Galerina | Agaricales : Hymenogastraceae | 20 |
| pumila, Laccaria | Agaricales : Hydnangiaceae | 18 |
| punctata, Fomitiporia | Hymenochaetales | 7 |
| punctatum, Rhytisma | Ascomycètes | 2 |
| punctipes, Pluteus | Agaricales : Pluteaceae | 27 |
| punctipes, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| pungens, Entoloma | Agaricales : Entolomataceae | 16 |
| punicea, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| pura, Humidicutis | Agaricales : Hygrophoraceae | 19 |
| pura, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| pura, Neobulgaria | Ascomycètes | 2 |
| purpurascens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| purpurascens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| purpurascens, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| purpurata, Russula | Russulales : Russulaceae | 47 |
| purpurea, Alloclavaria | Agaricales : Clavariaceae | 12 |
| purpurea, Ceriporia | Polyporales | 6 |
| purpurea, Claviceps | Ascomycètes | 2 |
| purpureofusca, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| purpureophyllus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| purpureoviolaceum, Entoloma | Agaricales : Entolomataceae | 16 |
| purpureum, Chondrostereum | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| purpurinus, Gyroporus | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| pusilla, Russula | Russulales : Russulaceae | 47 |
| pusilla, Volvariella | Agaricales : Pluteaceae | 27 |
| pusillum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| pusillus, Panellus | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| pusio, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| pustulata, Platygloea | Trémelles et analogues | 4 |
| pustulatus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| puteana, Coniophora | Corticiaceae s.l. | 5 |
| puteana, Coniophora | Corticiaceae s.l. | 5 |
| putillus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| pygmaeoaffinis, Pholiotina | Agaricales : Bolbitiaceae | 11 |
| pyrenopezizoides, Mollisia | Ascomycètes | 2 |
| pyriformis, Morganella | Agaricales : Agaricaceae | 8 |
| pyriodora, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| pyriolens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| pyrogalus, Lactarius | Russulales : Russulaceae | 47 |
| pyrolae, Chrysomyxa | Charbons et rouilles | 3 |
| pyrrhocephalus, Rhizomarasmius | Agaricales : Physalacriaceae | 25 |
| pyxidata, Omphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| pyxidatus, Artomyces | Russulales : Auriscalpiaceae | 45 |
| quadratum, Entoloma | Agaricales : Entolomataceae | 16 |
| quadrifidum, Geastrum | Geastrales | 40 |
| quarciticus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| quaternata, Eutypella | Ascomycètes | 2 |
| quebecensis, Psilocybe | Agaricales : Strophariaceae | 30 |
| quebecensis, Simocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| queletii, Entoloma | Agaricales : Entolomataceae | 16 |
| queletii, Helvella | Ascomycètes | 2 |
| queletii, Russula | Russulales : Russulaceae | 47 |
| quercetorum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| quercina, Daedalea | Polyporales | 6 |
| quercophilus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| quietus, Lactarius | Russulales : Russulaceae | 47 |
| radians, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| radiata, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| radiata, Mensularia | Hymenochaetales | 7 |
| radiatum, Boreostereum | Corticiaceae s.l. | 5 |
| radicata, Pseudofistulina | Agaricales : Fistulinaceae-Schizophyllaceae | 17 |
| radicatus, Polyporus | Polyporales | 6 |
| radicella, Neocudoniella | Ascomycètes | 2 |
| radicosum, Hypholoma | Agaricales : Strophariaceae | 30 |
| radiculata, Sowerbyella | Ascomycètes | 2 |
| radiculosa, Fibroporia | Polyporales | 6 |
| radula, Hyphodontia | Hymenochaetales | 7 |
| ramigena, Clitocybe | Agaricales : Tricholomataceae | 31 |
| rancida, Postia | Polyporales | 6 |
| raoultii, Russula | Russulales : Russulaceae | 47 |
| raphanoides, Cortinarius | Agaricales : Cortinariaceae | 13 |
| ravenelii, Mutinus | Phallales | 44 |
| ravenelii, Phallus | Phallales | 44 |
| ravenelii, Pulveroboletus | Boletales : Boletaceae & Paxillaceae | 33 |
| recisa, Exidia | Trémelles et analogues | 4 |
| recondita, Luellia | Corticiaceae s.l. | 5 |
| redolens, Russula | Russulales : Russulaceae | 47 |
| regularis, Thelephora | Thelephorales | 49 |
| regularis, Trechispora | Polyporales | 6 |
| reidii, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| renispora, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| rennyi, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| rennyi, Postia | Polyporales | 6 |
| repanda, Exidia | Trémelles et analogues | 4 |
| repanda, Peziza | Ascomycètes | 2 |
| repandum, Hydnum | Cantharellales : Hydnaceae | 39 |
| repandum, Hydnum | Cantharellales : Hydnaceae | 39 |
| repandus, Hymenoscyphus | Ascomycètes | 2 |
| repraesentaneus, Lactarius | Russulales : Russulaceae | 47 |
| resimus, Lactarius | Russulales : Russulaceae | 47 |
| resinaceum, Ganoderma | Polyporales | 6 |
| resinosum, Ischnoderma | Polyporales | 6 |
| reticulata, Ceriporia | Polyporales | 6 |
| reticulata, Tremella | Trémelles et analogues | 4 |
| reticulatus, Bolbitius | Agaricales : Bolbitiaceae | 11 |
| retipes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| retirugis, Panaeolus | Agaricales : Bolbitiaceae | 11 |
| rhacodes, Chlorophyllum | Agaricales : Agaricaceae | 8 |
| rhacopus, Amanita | Agaricales : Amanitaceae | 9 |
| rheades, Inocutis | Hymenochaetales | 7 |
| rhenana, Sowerbyella | Ascomycètes | 2 |
| rhodocylicioides, Entoloma | Agaricales : Entolomataceae | 16 |
| rhododendri, Resinomycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| rhodopolium, Entoloma | Agaricales : Entolomataceae | 16 |
| rhodosanguineus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| rhodoxanthus, Phylloporus | Boletales : Boletaceae & Paxillaceae | 33 |
| rhomboidospora, Psilocybe | Agaricales : Strophariaceae | 30 |
| rhombosporus, Flammulaster | Agaricales : Tubariaceae | 32 |
| ribicola, Cronartium | Charbons et rouilles | 3 |
| ribis, Phylloporia | Hymenochaetales | 7 |
| rigidipes, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| rimosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| rimosellus, Lactarius | Russulales : Russulaceae | 47 |
| rimulosum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| ringens, Panellus | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| risigallina, Russula | Russulales : Russulaceae | 47 |
| risigallina, Russula | Russulales : Russulaceae | 47 |
| ristichii, Amanita | Agaricales : Amanitaceae | 9 |
| robiniae, Fulvifomes | Hymenochaetales | 7 |
| robiniophila, Vanderbylia | Polyporales | 6 |
| robinsoniana, Taphrina | Ascomycètes | 2 |
| robusta, Clitocybe | Agaricales : Tricholomataceae | 31 |
| robusta, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| robustus, Lactarius | Russulales : Russulaceae | 47 |
| rodmanii, Megacollybia | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| romagnesiana, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| romagnesiana, Russula | Russulales : Russulaceae | 47 |
| romellii, Leucogyrophana | Corticiaceae s.l. | 5 |
| romellii, Pluteus | Agaricales : Pluteaceae | 27 |
| romellii, Russula | Russulales : Russulaceae | 47 |
| roridus, Roridomyces | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| rosea, Clavaria | Agaricales : Clavariaceae | 12 |
| rosea, Fomitopsis | Polyporales | 6 |
| rosea, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| roseipes, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| roseipes, Russula | Russulales : Russulaceae | 47 |
| rosella, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| roseoacerbum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| roseobrunneus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| roseola, Ramaria | Gomphales | 42 |
| roseolus, Rhizopogon | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| roseopurpureus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| roseoviolaceum, Entoloma | Agaricales : Entolomataceae | 16 |
| roseum, Corticium | Corticiaceae s.l. | 5 |
| roseum, Entoloma | Agaricales : Entolomataceae | 16 |
| rotula, Marasmius | Agaricales : Marasmiaceae | 22 |
| rotundifoliae, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| roxanae, Xerocomus | Boletales : Boletaceae & Paxillaceae | 33 |
| rubella, Ramaria | Gomphales | 42 |
| rubella, Ramaria | Gomphales | 42 |
| rubellus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| rubellus, Xerocomus | Boletales : Boletaceae & Paxillaceae | 33 |
| ruber, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| rubescens, Leucogaster | Russulales : Scutigeraceae | 48 |
| rubescens, Russula | Russulales : Russulaceae | 47 |
| rubicundula, Clavaria | Agaricales : Clavariaceae | 12 |
| rubicundulus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| rubinellus, Chalciporus | Boletales : Boletaceae & Paxillaceae | 33 |
| rubripermanens, Ramaria | Gomphales | 42 |
| rubrobrunnescens, Xerula | Agaricales : Physalacriaceae | 25 |
| rubrobrunneus, Tylopilus | Boletales : Boletaceae & Paxillaceae | 33 |
| rubromarginata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| rubrotincta, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| rubrotinctus, Leucoagaricus | Agaricales : Agaricaceae | 8 |
| rufa, Galiella | Ascomycètes | 2 |
| rufa, Hygrophoropsis | Boletales : Hygrophoropsidaceae-Tapinellaceae | 36 |
| rufa, Peniophora | Corticiaceae s.l. | 5 |
| rufa, Phlebia | Corticiaceae s.l. | 5 |
| rufescens, Geastrum | Geastrales | 40 |
| rufescens, Hygrophoropsis | Boletales : Hygrophoropsidaceae-Tapinellaceae | 36 |
| rufidula, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| rufum, Microglossum | Ascomycètes | 2 |
| rufus, Lactarius | Russulales : Russulaceae | 47 |
| rugocephala, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| rugosa, Ascodichaena | Ascomycètes | 2 |
| rugosa, Clavulina | Cantharellales : Clavulinaceae | 38 |
| rugosa, Pholiotina | Agaricales : Bolbitiaceae | 11 |
| rugosiceps, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| rugosoannulata, Stropharia | Agaricales : Strophariaceae | 30 |
| rugosoceps, Xerula | Agaricales : Physalacriaceae | 25 |
| rugulosa, Russula | Russulales : Russulaceae | 47 |
| russellii, Boletellus | Boletales : Boletaceae & Paxillaceae | 33 |
| russula, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| russuloides, Amanita | Agaricales : Amanitaceae | 9 |
| rusticoides, Entoloma | Agaricales : Entolomataceae | 16 |
| rusticus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| rutilans, Hapalopilus | Polyporales | 6 |
| rutilans, Neottiella | Ascomycètes | 2 |
| rutilans, Tricholomopsis | Agaricales : Tricholomataceae | 31 |
| rutilantiformis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| rutilus, Chroogomphus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| saccardiana, Peziza | Ascomycètes | 2 |
| saccatum, Geastrum | Geastrales | 40 |
| saccatus, Phallogaster | Hysterangiales | 43 |
| saccharina, Exidia | Trémelles et analogues | 4 |
| sacchariolens, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| sachalinensis, Clavariadelphus | Gomphales | 42 |
| saeva, Lepista | Agaricales : Tricholomataceae | 31 |
| saginus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| sahleri, Galerina | Agaricales : Hymenogastraceae | 20 |
| salicina, Cytidia | Corticiaceae s.l. | 5 |
| salicinus, Pluteus | Agaricales : Pluteaceae | 27 |
| salicis, Naucoria | Agaricales : Hymenogastraceae | 20 |
| salmonicolor, Erastia | Polyporales | 6 |
| salmonicolor, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| sambucella, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| sanguinaria, Russula | Russulales : Russulaceae | 47 |
| sanguinea, Patinellaria | Ascomycètes | 2 |
| sanguinea, Ramaria | Gomphales | 42 |
| sanguineus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| sanguinolenta, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| sanguinolentum, Stereum | Corticiaceae s.l. | 5 |
| sanguinolentus, Rigidoporus | Polyporales | 6 |
| saniosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| sapineus, Gymnopilus | Agaricales : Strophariaceae | 30 |
| saponaceum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| sarcoides, Ascocoryne | Ascomycètes | 2 |
| sarcophyllum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| saturninus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| scabella, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| scabra, Trichia | Eumyxomycètes | 1 |
| scabripes, Hydropus | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| scabrosus, Sarcodon | Thelephorales | 49 |
| scabrum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| scalpturatum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| scamba, Pholiota | Agaricales : Strophariaceae | 30 |
| scaurus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| schraderi, Pholiota | Agaricales : Strophariaceae | 30 |
| schweinitzii, Phaeolus | Polyporales | 6 |
| scorodonius, Mycetinis | Agaricales : Omphalotaceae | 24 |
| scrobiculatum, Hydnellum | Thelephorales | 49 |
| scrobiculatus, Lactarius | Russulales : Russulaceae | 47 |
| scutellata, Datronia | Polyporales | 6 |
| scutellata, Scutellinia | Ascomycètes | 2 |
| scutellata, Scutellinia | Ascomycètes | 2 |
| scutula, Hymenoscyphus | Ascomycètes | 2 |
| scyphoides, Clitopilus | Agaricales : Entolomataceae | 16 |
| semiglobata, Stropharia | Agaricales : Strophariaceae | 30 |
| semihirtipes, Gymnopus | Agaricales : Omphalotaceae | 24 |
| semilanceata, Psilocybe | Agaricales : Strophariaceae | 30 |
| semilibera, Mitrophora | Ascomycètes | 2 |
| seminudum, Melanomma | Ascomycètes | 2 |
| semiovatus, Panaeolus | Agaricales : Bolbitiaceae | 11 |
| semisanguineus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| semisupina, Antrodiella | Polyporales | 6 |
| semitale, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| semitosta, Jafnea | Ascomycètes | 2 |
| semivestipes, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| sensibilior, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| sensibilis, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| separans, Xanthoconium | Boletales : Boletaceae & Paxillaceae | 33 |
| sepiarium, Gloeophyllum | Gloeophyllales | 41 |
| septentrionale, Scleroderma | Boletales : Boletinellaceae & Sclerodermataceae | 34 |
| septentrionalis, Climacodon | Polyporales | 6 |
| septentrionalis, Daedaleopsis | Polyporales | 6 |
| septentrionalis, Galerina | Agaricales : Hymenogastraceae | 20 |
| septentrionalis, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| septica, Fuligo | Eumyxomycètes | 1 |
| septica, Fuligo | Eumyxomycètes | 1 |
| serialis, Antrodia | Polyporales | 6 |
| sericellum, Entoloma | Agaricales : Entolomataceae | 16 |
| sericeomollis, Postia | Polyporales | 6 |
| sericeonitens, Russula | Russulales : Russulaceae | 47 |
| sericeum, Entoloma | Agaricales : Entolomataceae | 16 |
| sericeum, Entoloma | Agaricales : Entolomataceae | 16 |
| serotina, Sarcomyxa | Agaricales : Pterulaceae-Typhulaceae | 29 |
| serotinus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| serpula, Antrodiella | Polyporales | 6 |
| serpula, Hemitrichia | Eumyxomycètes | 1 |
| serratifolium, Tricholoma | Agaricales : Tricholomataceae | 31 |
| serrulata, Simocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| serrulatum, Entoloma | Agaricales : Entolomataceae | 16 |
| seticeps, Pluteus | Agaricales : Pluteaceae | 27 |
| setigerum, Hyphoderma | Corticiaceae s.l. | 5 |
| setipes, Crinipellis | Agaricales : Marasmiaceae | 22 |
| setipes, Rickenella | Agaricales : Tricholomataceae | 31 |
| setosa, Scutellinia | Ascomycètes | 2 |
| setulosa, Lepiota | Agaricales : Agaricaceae | 8 |
| sibiricus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| siccus, Marasmius | Agaricales : Marasmiaceae | 22 |
| silvae-nigrae, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| silvatica, Psilocybe | Agaricales : Strophariaceae | 30 |
| silvaticus, Agaricus | Agaricales : Agaricaceae | 8 |
| silvaticus, Coprinus | Agaricales : Psathyrellaceae | 28 |
| silvicola, Agaricus | Agaricales : Agaricaceae | 8 |
| silvicola, Helvella | Ascomycètes | 2 |
| silvicola, Russula | Russulales : Russulaceae | 47 |
| simani, Postia | Polyporales | 6 |
| simile, Geoglossum | Ascomycètes | 2 |
| similis, Oxyporus | Hymenochaetales | 7 |
| simillima, Russula | Russulales : Russulaceae | 47 |
| simplex, Tremella | Trémelles et analogues | 4 |
| simulans, Tulostoma | Agaricales : Agaricaceae | 8 |
| sinapina, Armillaria | Agaricales : Physalacriaceae | 25 |
| sinapizans, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| sindonia, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| sinicoflava, Amanita | Agaricales : Amanitaceae | 9 |
| sinopica, Clitocybe | Agaricales : Tricholomataceae | 31 |
| sinuosa, Antrodia | Polyporales | 6 |
| sinuspaulianus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| sistrata, Cystolepiota | Agaricales : Agaricaceae | 8 |
| sitchensis, Amyloporia | Polyporales | 6 |
| smardae, Geastrum | Geastrales | 40 |
| smithii, Stemonitis | Eumyxomycètes | 1 |
| snellii, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| sodale, Entoloma | Agaricales : Entolomataceae | 16 |
| solidipes, Limacella | Agaricales : Amanitaceae | 9 |
| solitaria, Helvella | Ascomycètes | 2 |
| solstitiale, Entoloma | Agaricales : Entolomataceae | 16 |
| sordescens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| sordida, Amyloporia | Polyporales | 6 |
| sordidus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| sordidus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| sordidus, Lactarius | Russulales : Russulaceae | 47 |
| sp, Amanita | Agaricales : Amanitaceae | 9 |
| spadicea, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| spadicea, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| spathularia, Dacryopinax | Trémelles et analogues | 4 |
| speciosissimus, Gymnopilus | Agaricales : Strophariaceae | 30 |
| speciosus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| speciosus, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| speciosus, Lactarius | Russulales : Russulaceae | 47 |
| spectabilis, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| speirea, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| sphaerospora, Pseudorhizina | Ascomycètes | 2 |
| sphaerospora, Rhodocybe | Agaricales : Entolomataceae | 16 |
| sphagnicola, Arrhenia | Agaricales : Pterulaceae-Typhulaceae | 29 |
| sphagnicola, Galerina | Agaricales : Hymenogastraceae | 20 |
| sphagnicola, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| sphagnicola, Russula | Russulales : Russulaceae | 47 |
| sphagnophila, Russula | Russulales : Russulaceae | 47 |
| sphagnophilus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| sphagnorum, Galerina | Agaricales : Hymenogastraceae | 20 |
| spilomeus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| spissa, Ceriporia | Polyporales | 6 |
| spissa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| spissipes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| splendens, Cribraria | Eumyxomycètes | 1 |
| splendens, Reticularia | Eumyxomycètes | 1 |
| splendens, Stemonitis | Eumyxomycètes | 1 |
| spongiosipes, Hydnellum | Thelephorales | 49 |
| spongiosus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| spraguei, Coprinus | Agaricales : Psathyrellaceae | 28 |
| spraguei, Fomitopsis | Polyporales | 6 |
| spreta, Amanita | Agaricales : Amanitaceae | 9 |
| spumea, Sarcodontia | Polyporales | 6 |
| spumosa, Pholiota | Agaricales : Strophariaceae | 30 |
| squalens, Dichomitus | Polyporales | 6 |
| squalida, Pholiota | Agaricales : Strophariaceae | 30 |
| squalidellum, Hypholoma | Agaricales : Strophariaceae | 30 |
| squalidus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| squamosus, Leratiomyces | Agaricales : Strophariaceae | 30 |
| squamosus, Polyporus | Polyporales | 6 |
| squamosus, Sarcodon | Thelephorales | 49 |
| squamulosa, Clitocybe | Agaricales : Tricholomataceae | 31 |
| squamulosa, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| squamulosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| squarrosa, Pholiota | Agaricales : Strophariaceae | 30 |
| squarrosoides, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| squarrosoides, Pholiota | Agaricales : Strophariaceae | 30 |
| stagnina, Phaeogalera | Agaricales : Strophariaceae | 30 |
| stannea, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| stans, Tricholoma | Agaricales : Tricholomataceae | 31 |
| stellae, Skeletocutis | Polyporales | 6 |
| stellata, Stictis | Ascomycètes | 2 |
| stellatospora, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| stellatus, Sphaerobolus | Geastrales | 40 |
| stephanocystis, Strobilurus | Agaricales : Physalacriaceae | 25 |
| stercorea, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| stercoreus, Cyathus | Agaricales : Agaricaceae | 8 |
| stereoides, Datronia | Polyporales | 6 |
| stereosarcinon, Sarcodon | Thelephorales | 49 |
| sterquilinus, Coprinus | Agaricales : Agaricaceae | 8 |
| stigma, Diatrype | Ascomycètes | 2 |
| stillatitius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| stillatus, Dacrymyces | Trémelles et analogues | 4 |
| stipata, Arcyria | Eumyxomycètes | 1 |
| stipata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| stipitatus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| stiptica, Postia | Polyporales | 6 |
| stipticus, Panellus | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| striatipes, Gymnopus | Agaricales : Omphalotaceae | 24 |
| striatula, Gamundia | Agaricales : Cyphellaceae-Porotheleaceae | 15 |
| striatula, Laccaria | Agaricales : Hydnangiaceae | 18 |
| striatulus, Resupinatus | Agaricales : Biannulariaceae-Resupinataceae | 10 |
| striatum, Geastrum | Geastrales | 40 |
| striatum, Stereum | Corticiaceae s.l. | 5 |
| striatus, Cyathus | Agaricales : Agaricaceae | 8 |
| stricta, Ramaria | Gomphales | 42 |
| strictipes, Marasmius | Agaricales : Marasmiaceae | 22 |
| strictius, Entoloma | Agaricales : Entolomataceae | 16 |
| strictius, Entoloma | Agaricales : Entolomataceae | 16 |
| strigosozonata, Punctularia | Corticiaceae s.l. | 5 |
| strigosus, Gloiodon | Russulales : Auriscalpiaceae | 45 |
| strigosus, Lentinus | Polyporales | 6 |
| striipilea, Tephrocybe | Agaricales : Lyophyllaceae | 21 |
| strobilaceus, Strobilomyces | Boletales : Boletaceae & Paxillaceae | 33 |
| strobilinoidea, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| stylifera, Galerina | Agaricales : Hymenogastraceae | 20 |
| stylifera, Galerina | Agaricales : Hymenogastraceae | 20 |
| stylifera, Galerina | Agaricales : Hymenogastraceae | 20 |
| stylobates, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| suaveolens, Hydnellum | Thelephorales | 49 |
| suaveolens, Trametes | Polyporales | 6 |
| suavissimus, Lentinus | Polyporales | 6 |
| subacida, Perenniporia | Polyporales | 6 |
| subalutaceus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| subamara, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| subanomala, Tremella | Trémelles et analogues | 4 |
| subareolata, Russula | Russulales : Russulaceae | 47 |
| subaureus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| subbadipes, Galerina | Agaricales : Hymenogastraceae | 20 |
| subbalaustinus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| subbalteatus, Panaeolus | Agaricales : Bolbitiaceae | 11 |
| subbotrytis, Ramaria | Gomphales | 42 |
| subcaerulea, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| subcaerulescens, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| subcampanulatum, Entoloma | Agaricales : Entolomataceae | 16 |
| subcaperata, Stropharia | Agaricales : Strophariaceae | 30 |
| subceracea, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| subcerina, Galerina | Agaricales : Hymenogastraceae | 20 |
| subchartaceum, Trichaptum | Polyporales | 6 |
| subcinnamomea, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| subclavipes, Clitocybe | Agaricales : Tricholomataceae | 31 |
| subconnexa, Lepista | Agaricales : Tricholomataceae | 31 |
| subconspersa, Naucoria | Agaricales : Hymenogastraceae | 20 |
| subcostatum, Entoloma | Agaricales : Entolomataceae | 16 |
| subcroceofolius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| subcucullata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| subdecurrens, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| subdepallens, Russula | Russulales : Russulaceae | 47 |
| subdepluens, Entoloma | Agaricales : Entolomataceae | 16 |
| subdestricta, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| subditopoda, Clitocybe | Agaricales : Tricholomataceae | 31 |
| suberi, Cortinarius | Agaricales : Cortinariaceae | 13 |
| subexilis, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| subfalcata, Clavaria | Agaricales : Clavariaceae | 12 |
| subfastigiatum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| subfelleus, Sarcodon | Thelephorales | 49 |
| subferrugineus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| subfiliformis, Galerina | Agaricales : Hymenogastraceae | 20 |
| subflavifolium, Entoloma | Agaricales : Entolomataceae | 16 |
| subflocculosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| subfoetida, Russula | Russulales : Russulaceae | 47 |
| subfusca, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| subgiganteus, Tyromyces | Polyporales | 6 |
| subglabripes, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| subglobisporus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| subgraminicolor, Russula | Russulales : Russulaceae | 47 |
| subgranulosum, Leccinum | Boletales : Boletaceae & Paxillaceae | 33 |
| subherbarum, Calycina | Ascomycètes | 2 |
| subincarnata, Lepiota | Agaricales : Agaricaceae | 8 |
| subincarnata, Morganella | Agaricales : Agaricaceae | 8 |
| subincarnata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| subincarnata, Skeletocutis | Polyporales | 6 |
| sublateritia, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| sublateritium, Hypholoma | Agaricales : Strophariaceae | 30 |
| sublineatus, Rigidoporus | Polyporales | 6 |
| subluridellus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| subluteum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| subminutula, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| submuricellata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| subnigra, Amanita | Agaricales : Amanitaceae | 9 |
| subnigricans, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| subnudus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| subochracea, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| subochracea, Russula | Russulales : Russulaceae | 47 |
| subovalis, Conocybe | Agaricales : Bolbitiaceae | 11 |
| subpunctata, Russula | Russulales : Russulaceae | 47 |
| subpurpureus, Lactarius | Russulales : Russulaceae | 47 |
| subrigens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| subroseoflava, Russula | Russulales : Russulaceae | 47 |
| subroseus, Gomphidius | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| subrubescens, Albatrellus | Russulales : Scutigeraceae | 48 |
| subrubescens, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| subrufa, Pouzaroporia | Polyporales | 6 |
| subrufescens, Agaricus | Agaricales : Agaricaceae | 8 |
| subrutilans, Wrightoporia | Polyporales | 6 |
| subsalmonius, Hygrophorus | Agaricales : Hygrophoraceae | 19 |
| subsejunctum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| subserrulatum, Entoloma | Agaricales : Entolomataceae | 16 |
| subsinuatum, Entoloma | Agaricales : Entolomataceae | 16 |
| subsulphurea, Pholiota | Agaricales : Strophariaceae | 30 |
| subsulphureus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| subsupina, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| subtenuiceps, Russula | Russulales : Russulaceae | 47 |
| subtigrinus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| subtilis, Ramaria | Gomphales | 42 |
| subtomentosa, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| subtomentosum, Stereum | Corticiaceae s.l. | 5 |
| subtomentosus, Xerocomus | Boletales : Boletaceae & Paxillaceae | 33 |
| subtortus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| subundulatus, Craterellus | Cantharellales : Cantharellaceae | 37 |
| subvellereus, Lactarius | Russulales : Russulaceae | 47 |
| subvellereus, Lactarius | Russulales : Russulaceae | 47 |
| subvelutipes, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| subvermispora, Ceriporiopsis | Polyporales | 6 |
| subvermispora, Gelatoporia | Polyporales | 6 |
| subvinaceum, Cystoderma | Agaricales : Agaricaceae | 8 |
| subvirgineum, Lachnum | Ascomycètes | 2 |
| subviscida, Psilocybe | Agaricales : Strophariaceae | 30 |
| succosa, Peziza | Ascomycètes | 2 |
| suecica, Ramaria | Gomphales | 42 |
| sulcata, Heliocybe | Gloeophyllales | 41 |
| sulcata, Sclerotinia | Ascomycètes | 2 |
| sulfureoides, Tricholomopsis | Agaricales : Tricholomataceae | 31 |
| sullivantii, Marasmius | Agaricales : Marasmiaceae | 22 |
| sulphurea, Hypocrea | Ascomycètes | 2 |
| sulphurescens, Tricholoma | Agaricales : Tricholomataceae | 31 |
| sulphureum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| sulphureus, Laetiporus | Polyporales | 6 |
| sumstinei, Meripilus | Polyporales | 6 |
| surrecta, Volvariella | Agaricales : Pluteaceae | 27 |
| tabacina, Pseudochaete | Hymenochaetales | 7 |
| tabidus, Lactarius | Russulales : Russulaceae | 47 |
| tahquamenonensis, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| tahquamenonensis, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| talus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| tarda, Ceriporia | Polyporales | 6 |
| tarda, Lepista | Agaricales : Tricholomataceae | 31 |
| taxicola, Meruliopsis | Polyporales | 6 |
| taxophila, Clavicorona | Russulales : Auriscalpiaceae | 45 |
| tenacella, Peziza | Ascomycètes | 2 |
| tenacellus, Strobilurus | Agaricales : Physalacriaceae | 25 |
| tenax, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| tenax, Tremellodendron | Trémelles et analogues | 4 |
| tenax, Xerocomus | Boletales : Boletaceae & Paxillaceae | 33 |
| tenera, Conocybe | Agaricales : Bolbitiaceae | 11 |
| tenera, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| tenerrima, Comatricha | Eumyxomycètes | 1 |
| tentaculata, Xylaria | Ascomycètes | 2 |
| tenuiceps, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| tenuicystidiata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| tenuipes, Paecilomyces | Anamorphes | 50 |
| tenuipes, Xeromphalina | Agaricales : Pterulaceae-Typhulaceae | 29 |
| tenuis, Perenniporia | Polyporales | 6 |
| tephroleuca, Postia | Polyporales | 6 |
| terginus, Gymnopus | Agaricales : Omphalotaceae | 24 |
| terrestre, Lycogala | Eumyxomycètes | 1 |
| terrestris, Sporotrichopsis | Anamorphes | 50 |
| terrestris, Thelebolus | Ascomycètes | 2 |
| terrestris, Thelephora | Thelephorales | 49 |
| terriferum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| tessulatus, Hypsizygus | Agaricales : Lyophyllaceae | 21 |
| testaceoflava, Ramaria | Gomphales | 42 |
| testaceofulvus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| testaceogilva, Tomentella | Thelephorales | 49 |
| tetraspora, Trichophaeopsis | Ascomycètes | 2 |
| thomsonii, Pluteus | Agaricales : Pluteaceae | 27 |
| thujina, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| thyinos, Lactarius | Russulales : Russulaceae | 47 |
| tibiicystis, Galerina | Agaricales : Hymenogastraceae | 20 |
| tigrina, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| tigrinum, Lepidoderma | Eumyxomycètes | 1 |
| tigrinus, Lentinus | Polyporales | 6 |
| tigrinus, Lentinus | Polyporales | 6 |
| tiliophila, Simocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| titubans, Bolbitius | Agaricales : Bolbitiaceae | 11 |
| titubans, Bolbitius | Agaricales : Bolbitiaceae | 11 |
| tomentosa, Onnia | Hymenochaetales | 7 |
| tomentosulus, Pluteus | Agaricales : Pluteaceae | 27 |
| tomentosus, Phellodon | Thelephorales | 49 |
| tomentosus, Polycephalomyces | Anamorphes | 50 |
| tomentosus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| torminosulus, Lactarius | Russulales : Russulaceae | 47 |
| torminosus, Hypomyces | Ascomycètes | 2 |
| torminosus, Lactarius | Russulales : Russulaceae | 47 |
| torta, Chlorencoelia | Ascomycètes | 2 |
| tortilis, Laccaria | Agaricales : Hydnangiaceae | 18 |
| tortuosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| tortus, Dacrymyces | Trémelles et analogues | 4 |
| torvus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| trabeum, Gloeophyllum | Gloeophyllales | 41 |
| trachycarpa, Lamprospora | Ascomycètes | 2 |
| trachycarpa, Plicaria | Ascomycètes | 2 |
| trachyspora, Mycenella | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| trachyspora, Mycolindtneria | Polyporales | 6 |
| traganus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| transmutans, Tricholoma | Agaricales : Tricholomataceae | 31 |
| trechispora, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| tremellicola, Nectriopsis | Ascomycètes | 2 |
| tremellosa, Phlebia | Corticiaceae s.l. | 5 |
| tremulae, Phellinus | Hymenochaetales | 7 |
| tricholoma, Ripartites | Agaricales : Tricholomataceae | 31 |
| tricolor, Leucopaxillus | Agaricales : Tricholomataceae | 31 |
| triplex, Geastrum | Geastrales | 40 |
| triquetra, Onnia | Hymenochaetales | 7 |
| triscopa, Galerina | Agaricales : Hymenogastraceae | 20 |
| triumphans, Cortinarius | Agaricales : Cortinariaceae | 13 |
| trivialis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| trivialis, Lactarius | Russulales : Russulaceae | 47 |
| trogii, Trametes | Polyporales | 6 |
| trullisata, Laccaria | Agaricales : Hydnangiaceae | 18 |
| truncatus, Clavariadelphus | Gomphales | 42 |
| truncatus, Clavariadelphus | Gomphales | 42 |
| truncicola, Clitocybe | Agaricales : Tricholomataceae | 31 |
| truncorum, Coprinellus | Agaricales : Psathyrellaceae | 28 |
| truncorum, Vibrissea | Ascomycètes | 2 |
| tsugae, Ganoderma | Polyporales | 6 |
| tsugina, Fomitiporia | Hymenochaetales | 7 |
| tubaeformis, Craterellus | Cantharellales : Cantharellaceae | 37 |
| tubaeformis, Polyporus | Polyporales | 6 |
| tubarioides, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| tubarius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| tuberculosa, Pholiota | Agaricales : Strophariaceae | 30 |
| tuberculosus, Phellinus | Hymenochaetales | 7 |
| tuberosa, Collybia | Agaricales : Tricholomataceae | 31 |
| tuberosa, Tremellodendropsis | Trémelles et analogues | 4 |
| tundrae, Galerina | Agaricales : Hymenogastraceae | 20 |
| turbida, Entocybe | Agaricales : Entolomataceae | 16 |
| turbinata, Ascotremella | Ascomycètes | 2 |
| turci, Russula | Russulales : Russulaceae | 47 |
| turgidus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| turmalis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| turunda, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| turunda, Hygrocybe | Agaricales : Hygrophoraceae | 19 |
| tylicolor, Tephrocybe | Agaricales : Lyophyllaceae | 21 |
| typhae, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| typhina, Stemonitopsis | Eumyxomycètes | 1 |
| typhina, Stemonitopsis | Eumyxomycètes | 1 |
| uda, Mycoacia | Corticiaceae s.l. | 5 |
| udum, Hypholoma | Agaricales : Strophariaceae | 30 |
| uliginosus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| ulmarius, Hypsizygus | Agaricales : Lyophyllaceae | 21 |
| ulmicola, Inonotus | Hymenochaetales | 7 |
| umbellatus, Polyporus | Polyporales | 6 |
| umbellifera, Lichenomphalia | Agaricales : Hygrophoraceae | 19 |
| umbilicatum, Hydnum | Cantharellales : Hydnaceae | 39 |
| umbilicatum, Phaeohelotium | Ascomycètes | 2 |
| umbonata, Cantharellula | Agaricales : Pterulaceae-Typhulaceae | 29 |
| umbonata, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| umbratica, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| umbrina, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| umbrinolens, Cortinarius | Agaricales : Cortinariaceae | 13 |
| umbrinum, Lycoperdon | Agaricales : Agaricaceae | 8 |
| umbrorum, Scutellinia | Ascomycètes | 2 |
| umbrosa, Lepiota | Agaricales : Agaricaceae | 8 |
| umbrosum, Porpoloma | Agaricales : Tricholomataceae | 31 |
| uncialis, Russula | Russulales : Russulaceae | 47 |
| undatum, Entoloma | Agaricales : Entolomataceae | 16 |
| undatus, Rigidoporus | Polyporales | 6 |
| undosa, Postia | Polyporales | 6 |
| undulata, Cotylidia | Corticiaceae s.l. | 5 |
| undulata, Rhizina | Ascomycètes | 2 |
| undulatellum, Entoloma | Agaricales : Entolomataceae | 16 |
| unguicularis, Hohenbuehelia | Agaricales : Pleurotaceae | 26 |
| unicolor, Cerrena | Polyporales | 6 |
| unicolor, Entoloma | Agaricales : Entolomataceae | 16 |
| unicolor, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| unicolor, Spongipellis | Polyporales | 6 |
| uraceus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| urbicus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| urinascens, Agaricus | Agaricales : Agaricaceae | 8 |
| ursinus, Lentinellus | Russulales : Auriscalpiaceae | 45 |
| ustale, Tricholoma | Agaricales : Tricholomataceae | 31 |
| ustaloides, Tricholoma | Agaricales : Tricholomataceae | 31 |
| utriformis, Handkea | Agaricales : Agaricaceae | 8 |
| uvidus, Lactarius | Russulales : Russulaceae | 47 |
| uvidus, Lactarius | Russulales : Russulaceae | 47 |
| vaccinii, Exobasidium | Trémelles et analogues | 4 |
| vaccinum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| vaga, Xenasmatella | Corticiaceae s.l. | 5 |
| vaginata, Amanita | Agaricales : Amanitaceae | 9 |
| vaillantii, Fibroporia | Polyporales | 6 |
| valgus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| validipes, Gymnopilus | Agaricales : Strophariaceae | 30 |
| valliformis, Elaphocordyceps | Ascomycètes | 2 |
| varia, Peziza | Ascomycètes | 2 |
| varia, Trichia | Eumyxomycètes | 1 |
| variabilis, Typhula | Agaricales : Pterulaceae-Typhulaceae | 29 |
| varians, Ramaria | Gomphales | 42 |
| variata, Russula | Russulales : Russulaceae | 47 |
| variata, Russula | Russulales : Russulaceae | 47 |
| variecolor, Cortinarius | Agaricales : Cortinariaceae | 13 |
| variegata, Coprinopsis | Agaricales : Psathyrellaceae | 28 |
| variegata, Perenniporia | Polyporales | 6 |
| variegatum, Lasiobelonium | Ascomycètes | 2 |
| variiceps, Entoloma | Agaricales : Entolomataceae | 16 |
| variicolor, Amanita | Agaricales : Amanitaceae | 9 |
| variifolia, Russula | Russulales : Russulaceae | 47 |
| variiformis, Antrodia | Polyporales | 6 |
| variipes, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| variipes, Entoloma | Agaricales : Entolomataceae | 16 |
| variisporus, Dacrymyces | Trémelles et analogues | 4 |
| variornata, Trichophaea | Ascomycètes | 2 |
| varius, Cortinarius | Agaricales : Cortinariaceae | 13 |
| varius, Polyporus | Polyporales | 6 |
| varius, Polyporus | Polyporales | 6 |
| velatipes, Amanita | Agaricales : Amanitaceae | 9 |
| velatipes, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| velatum, Hebeloma | Agaricales : Hymenogastraceae | 20 |
| velenovskyi, Russula | Russulales : Russulaceae | 47 |
| velicopia, Cortinarius | Agaricales : Cortinariaceae | 13 |
| vellereus, Lactarius | Russulales : Russulaceae | 47 |
| veluticeps, Russula | Russulales : Russulaceae | 47 |
| velutinum, Entoloma | Agaricales : Entolomataceae | 16 |
| velutipes, Flammulina | Agaricales : Physalacriaceae | 25 |
| velutipes, Spathularia | Ascomycètes | 2 |
| velutipes, Trichoglossum | Ascomycètes | 2 |
| venetus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| venosa, Clitocybe | Agaricales : Tricholomataceae | 31 |
| venosa, Disciotis | Ascomycètes | 2 |
| ventosa, Mollisia | Ascomycètes | 2 |
| ventricosipes, Russula | Russulales : Russulaceae | 47 |
| ventricosum, Catathelasma | Agaricales : Biannulariaceae-Resupinataceae | 10 |
| venustus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| vermiculosoides, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| vermiculosus, Boletus | Boletales : Boletaceae & Paxillaceae | 33 |
| vernalis, Clavulinopsis | Agaricales : Clavariaceae | 12 |
| vernalis, Paxillus | Boletales : Boletaceae & Paxillaceae | 33 |
| vernalis, Russula | Russulales : Russulaceae | 47 |
| vernicosa, Daldinia | Ascomycètes | 2 |
| vernum, Entoloma | Agaricales : Entolomataceae | 16 |
| vernum, Lyophyllum | Agaricales : Lyophyllaceae | 21 |
| vernum, Physarum | Eumyxomycètes | 1 |
| vernus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| vernus, Hymenoscyphus | Ascomycètes | 2 |
| verrucipes, Melanoleuca | Agaricales : Tricholomataceae | 31 |
| versicolor, Russula | Russulales : Russulaceae | 47 |
| versicolor, Trametes | Polyporales | 6 |
| versiformis, Chlorencoelia | Ascomycètes | 2 |
| versipellis, Sarcodon | Thelephorales | 49 |
| versutus, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| vervacti, Agrocybe | Agaricales : Strophariaceae | 30 |
| vesca, Russula | Russulales : Russulaceae | 47 |
| vesiculosa, Peziza | Ascomycètes | 2 |
| vesparium, Metatrichia | Eumyxomycètes | 1 |
| vestita, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| vestitipes, Ramariopsis | Agaricales : Clavariaceae | 12 |
| vexans, Galerina | Agaricales : Hymenogastraceae | 20 |
| vialis, Psathyrella | Agaricales : Psathyrellaceae | 28 |
| vibratica, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| vibratilis, Cortinarius | Agaricales : Cortinariaceae | 13 |
| vietus, Lactarius | Russulales : Russulaceae | 47 |
| vinacea, Entocybe | Agaricales : Entolomataceae | 16 |
| vinaceogrisescens, Arrhenia | Agaricales : Pterulaceae-Typhulaceae | 29 |
| vinaceorufescens, Lactarius | Russulales : Russulaceae | 47 |
| vinicolor, Chroogomphus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| vinosa, Russula | Russulales : Russulaceae | 47 |
| violacea, Nectriopsis | Ascomycètes | 2 |
| violacea, Peziza | Ascomycètes | 2 |
| violaceibrunnea, Ramaria | Gomphales | 42 |
| violaceifolia, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| violaceofulvus, Panellus | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| violaceolivida, Peniophora | Corticiaceae s.l. | 5 |
| violaceum, Entoloma | Agaricales : Entolomataceae | 16 |
| violaceumK, Entoloma | Agaricales : Entolomataceae | 16 |
| violaceus, Cortinarius | Agaricales : Cortinariaceae | 13 |
| violascens, Bankera | Thelephorales | 49 |
| violea, Tulasnella | Corticiaceae s.l. | 5 |
| virescens, Physarum | Eumyxomycètes | 1 |
| virescens, Russula | Russulales : Russulaceae | 47 |
| virgata, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| virgatum, Tricholoma | Agaricales : Tricholomataceae | 31 |
| virgineum, Lachnum | Ascomycètes | 2 |
| viridans, Ceriporia | Polyporales | 6 |
| viride, Microglossum | Ascomycètes | 2 |
| viride, Physarum | Eumyxomycètes | 1 |
| viride, Trichoderma | Ascomycètes | 2 |
| viridella, Russula | Russulales : Russulaceae | 47 |
| viridibrunnea, Russula | Russulales : Russulaceae | 47 |
| viridimarginata, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| virosa, Amanita | Agaricales : Amanitaceae | 9 |
| viscida, Galerina | Agaricales : Hymenogastraceae | 20 |
| viscidipes, Hypholoma | Agaricales : Strophariaceae | 30 |
| viscidus, Lactarius | Russulales : Russulaceae | 47 |
| viscidus, Suillus | Boletales : Gomphidiaceae & Rhizopogonaceae | 35 |
| viscosa, Calocera | Trémelles et analogues | 4 |
| viscosa, Leotia | Ascomycètes | 2 |
| viscosissima, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| viscosula, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| vitellina, Neolecta | Ascomycètes | 2 |
| vitellina, Stereopsis | Corticiaceae s.l. | 5 |
| viticola, Fuscoporia | Hymenochaetales | 7 |
| vitilis, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| vitreus, Physisporinus | Polyporales | 6 |
| vittiformis, Galerina | Agaricales : Hymenogastraceae | 20 |
| vivida, Neottiella | Ascomycètes | 2 |
| vogesiaca, Pseudoplectania | Ascomycètes | 2 |
| volemus, Lactarius | Russulales : Russulaceae | 47 |
| volemus, Lactarius | Russulales : Russulaceae | 47 |
| volvacea, Volvariella | Agaricales : Pluteaceae | 27 |
| volvata, Amanita | Agaricales : Amanitaceae | 9 |
| volvatus, Cryptoporus | Polyporales | 6 |
| vulgare, Auriscalpium | Russulales : Auriscalpiaceae | 45 |
| vulgaris, Cinereomyces | Polyporales | 6 |
| vulgaris, Crepidotus | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| vulgaris, Mycena | Agaricales : Mycenaceae-Favolaschiaceae | 23 |
| vulgaris, Pithya | Ascomycètes | 2 |
| vulpinus, Lentinellus | Russulales : Auriscalpiaceae | 45 |
| walteri, Trichoglossum | Ascomycètes | 2 |
| waltersii, Peziza | Ascomycètes | 2 |
| watsonii, Entoloma | Agaricales : Entolomataceae | 16 |
| weirianus, Inonotus | Hymenochaetales | 7 |
| wellsiae, Galerina | Agaricales : Hymenogastraceae | 20 |
| wellsii, Amanita | Agaricales : Amanitaceae | 9 |
| whiteae, Entoloma | Agaricales : Entolomataceae | 16 |
| xantha, Amyloporia | Polyporales | 6 |
| xantho, Russula | Russulales : Russulaceae | 47 |
| xanthomelaena, Inocybe | Agaricales : Crepidotaceae-Inocybaceae | 14 |
| xanthomelum, Podophacidium | Ascomycètes | 2 |
| xanthosperma, Ramaria | Gomphales | 42 |
| xanthostigma, Orbilia | Ascomycètes | 2 |
| xerampelina, Russula | Russulales : Russulaceae | 47 |
| zeppelinospora, Ramaria | Gomphales | 42 |
| zollingeri, Clavaria | Agaricales : Clavariaceae | 12 |
| zonarioides, Lactarius | Russulales : Russulaceae | 47 |
| zonarius, Lactarius | Russulales : Russulaceae | 47 |
| zonata, Crinipellis | Agaricales : Marasmiaceae | 22 |