Table 1.
List of recorded taxa with indications on family, province and ecological category. Provinces: AG = Agrigento, CL = Caltanissetta, CT = Catania, EN = Enna, ME = Messina, PA = Palermo, RG = Ragusa, SR = Siracusa, and TP = Trapani. Ecological categories: Em = Ectomycorrhizal, Pm = Parasite on mushrooms, Pn = Necrotroph parasites, Sbg = Saprotrophs on burnt ground, Sd = Saprotrophs on dung, Sc = Saprotrophs on cones, Scl = Saprotrophs on cladodes, Scu = Saprotrophs on cupules, Se = Saprotrophs on esuviae, Sh = Saprotrophs on humus, Sl = Saprotrophs on litter, Sle = Saprotrophs on leaves, Sm = Saprotrophs on mosses, St = Terricolous saprotrophs, Sw = Saprotrophs on wood, and UNK = Unknown.
| Taxon | Family | Provinces | Ecological Categories |
|---|---|---|---|
| Abortiporus biennis (Bull.) Singer | Podoscyphaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Agaricus altipes (F.H. Møller) F.H. Møller | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Agaricus aridicola Geml, Geiser & Royse ex Mateos, J. Morales et al. | Agaricaceae | CT, ME, PA, RG, SR, TP | St |
| Agaricus arvensis Schaeff. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Agaricus augustus Fr. var. augustus | Agaricaceae | CT, ME, PA, TP | St |
| Agaricus benesii (Pilát) Pilát | Agaricaceae | CT, ME, PA | St |
| Agaricus bernardii Quél. | Agaricaceae | CT, ME, PA | St |
| Agaricus bisporatus Contu | Agaricaceae | CL, CT, ME, | St |
| Agaricus bisporus (J. E. Lange) Imbach | Agaricaceae | CT, ME, PA | St |
| Agaricus bitorquis (Quél.) Sacc. | Agaricaceae | CT, ME, PA | St |
| Agaricus bohusii Bon | Agaricaceae | CT, ME, PA | St |
| Agaricus bresadolanus Bohus | Agaricaceae | CT, ME, PA | St |
| Agaricus brunneolus (J.E. Lange) Pilát | Agaricaceae | CT, ME | St |
| Agaricus campestris L. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Agaricus cappellianus Hlaváček | Agaricaceae | CT, ME, PA | St |
| Agaricus chionodermus Pilát | Agaricaceae | CT, ME, PA | St |
| Agaricus comtulus Fr. | Agaricaceae | AG, CT, ME, PA | St |
| Agaricus cupreobrunneus (Jul. Schäff. & Steer) Pilát | Agaricaceae | CT, ME, PA, TP | St |
| Agaricus cupressicola Bon & Grilli | Agaricaceae | CL, CT, ME, PA | St |
| Agaricus devoniensis P.D. Orton | Agaricaceae | CT, ME, PA, RG, SR | St |
| Agaricus fuscofibrillosus (F.H. Møller) Pilát | Agaricaceae | CT, ME | St |
| Agaricus gennadii (Chatin & Boud.) P.D. Orton | Agaricaceae | CL, CT, ME | St |
| Agaricus impudicus (Rea) Pilát | Agaricaceae | CT, ME | St |
| Agaricus iodosmus Heinem. | Agaricaceae | CT, ME, PA | St |
| Agaricus langei (F.H. Møller) F.H. Møller | Agaricaceae | CL, CT, ME, PA | St |
| Agaricus lanipes (F.H. Møller & Jul. Schäff.) Hlaváček | Agaricaceae | CT, ME, PA | St |
| Agaricus lepiotoides Berk. & Broome | Agaricaceae | CT, ME, PA | St |
| Agaricus litoralis (Wakef. & A. Pearson) Pilát | Agaricaceae | CT, ME, PA, TP | St |
| Agaricus luteomaculatus F.H. Møller | Agaricaceae | PA, TP | St |
| Agaricus lutosus F.H. Møller | Agaricaceae | CT, ME | St |
| Agaricus menieri Bon | Agaricaceae | CT, PA, RG | St |
| Agaricus moelleri Wasser | Agaricaceae | CT, ME, PA | St |
| Agaricus moellerianus Bon | Agaricaceae | CT, ME | St |
| Agaricus osecanus Pilát | Agaricaceae | CT, ME, PA | St |
| Agaricus phaeolepidotus F.H. Møller | Agaricaceae | CT, ME, PA | St |
| Agaricus pilatianus (Bohus) Bohus | Agaricaceae | AG, CL, CT, ME, PA | St |
| Agaricus placomyces Peck | Agaricaceae | CT, ME, PA | St |
| Agaricus porphyrizon P.D. Orton | Agaricaceae | PA, TP | St |
| Agaricus praeclaresquamosus A.E. Freeman var. praeclaresquamosus | Agaricaceae | PA, TP | St |
| Agaricus pseudopratensis (Bohus) Wasser | Agaricaceae | CL, ME, PA, SR | St |
| Agaricus semotus Fr. | Agaricaceae | CT, ME | St |
| Agaricus subperonatus (J.E. Lange) Singer | Agaricaceae | CT, ME, PA | St |
| Agaricus sylvaticus Schaeff. | Agaricaceae | CT, ME, PA, TP | St |
| Agaricus sylvicola (Vittad.) Peck | Agaricaceae | AG, CL, CT, ME, PA | St |
| Agaricus pilatianus (Bohus) Bohus | Agaricaceae | CT, ME, EN, PA, TP | St |
| Agaricus urinascens (Jul. Schäff. & F.H. Møller) Singer | Agaricaceae | CL, CT, ME, PA | St |
| Agaricus xanthodermus Genev. subsp. xanthodermus | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Agaricus xanthodermus var. griseus (A. Pearson) Bon & Cappelli | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Agrocybe molesta (Lasch) Singer | Strophariaceae | CT, ME, PA | St |
| Agrocybe pediades (Fr.) Fayod | Strophariaceae | CT, ME, PA | St |
| Agrocybe praecox (Pers.) Fayod | Strophariaceae | CL, PA, TP | St |
| Agrocybe putaminum (Maire) Singer | Strophariaceae | PA, TP | St |
| Agrocybe vervacti (Fr.) Singer | Strophariaceae | CT, ME, PA | St |
| Albatrellopsis confluens (Alb. & Schwein.) Teixeira | Albatrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Albatrellus ovinus (Schaeff.) Kotl. & Pouzar | Albatrellaceae | CT, ME, PA | Em |
| Aleuria aurantia (Pers.) Fuckel | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Aleurodiscus disciformis (DC.) Pat. | Stereaceae | CT, ME, PA | Sh |
| Aleurodiscus dextrinoideocerussatus Manjón, M.N. Blanco & G. Moreno | Stereaceae | PA, TP | Sh |
| Alessioporus ichnusanus (Alessio, Galli & Littini) Gelardi, Vizzini & Simonini | Boletaceae | CT, ME, PA, TP | Em |
| Alutaceodontia alutacea (Fr.) Hjortstam & Ryvarden | Schizoporaceae | CT, ME, PA | Sw |
| Amanita albogrisescens Contu | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita baccata (Fr.) Gillet | Amanitaceae | CT, ME, PA | Em |
| Amanita badia (Schaeff.) Bon & Contu | Amanitaceae | CT, ME, PA | Em |
| Amanita battarrae (Boud.) Bon | Amanitaceae | CT, ME, PA | Em |
| Amanita beckeri Huijsman | Amanitaceae | CT, ME, PA | Em |
| Amanita boudieri Barla | Amanitaceae | CT, ME, PA | Em |
| Amanita caesarea (Scop.) Pers. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita ceciliae (Berk. & Broome) Bas | Amanitaceae | CT, ME, PA, TP | Em |
| Amanita cistetorum Contu & Pacioni | Amanitaceae | CT, ME, PA, TP | Em |
| Amanita citrina Pers. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita codinae (Maire) Bertault | Amanitaceae | CT, ME, PA | Em |
| Amanita crocea (Quél.) Singer | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita decipiens (Trimbach) Jacquet. | Amanitaceae | CT, ME, PA | Em |
| Amanita dryophila Consiglio & Contu | Amanitaceae | CT, ME, PA | Em |
| Amanita echinocephala (Vittad.) Quél. | Amanitaceae | CT, ME, PA | Em |
| Amanita eliae Quél. | Amanitaceae | CT, ME, PA | Em |
| Amanita excelsa (Fr.) Bertill. | Amanitaceae | CT, ME, PA | Em |
| Amanita franchetii (Boud.) Fayod | Amanitaceae | CT, ME, PA | Em |
| Amanita fulva Fr. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita gemmata (Fr.) Bertill. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita gracilior Bas & Honrubia | Amanitaceae | CT, ME, PA | Em |
| Amanita lactea Malençon, Romagn. & D.A. Reid | Amanitaceae | CT, ME | Em |
| Amanita lepiotoides Barla | Amanitaceae | CT, ME, PA | Em |
| Amanita lividopallescens (Gillet) Bigeard & H. Guill. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita mairei Foley | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita magnivolvata Aalto | Amanitaceae | CT, ME, PA | Em |
| Amanita muscaria (L.) Lam. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita ovoidea (Bull.) Link | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita pachyvolvata (Bon) Krieglst. | Amanitaceae | CT, ME, PA | Em |
| Amanita pantherina (DC.) Krombh. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita phalloides (Vaill. ex Fr.) Link | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita ponderosa Malençon & R. Heim | Amanitaceae | CT, ME | Em |
| Amanita porphyria Alb. & Schwein. | Amanitaceae | CT, ME, PA | Em |
| Amanita proxima Dumée | Amanitaceae | CT, ME, PA, TP | Em |
| Amanita rubescens Pers. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita singeri Bas | Amanitaceae | CT, ME | Em |
| Amanita strobiliformis (Paulet ex Vittad.) Bertill. | Amanitaceae | CT, ME, PA | Em |
| Amanita submembranacea (Bon) Gröger | Amanitaceae | CT, ME | Em |
| Amanita subnudipes (Romagn.) Tulloss | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita tarda (Trimbach) Contu | Amanitaceae | CT, ME, PA | Em |
| Amanita vaginata (Bull.) Lam. | Amanitaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Amanita verna Bull. ex Lam. | Amanitaceae | AG, CT, ME, PA, TP | Em |
| Amanita vittadinii var. vittadinii (Moretti) Vittad. | Amanitaceae | CT, ME, PA | Em |
| Amaropostia stiptica (Pers.) B.K. Cui, L.L. Shen & Y.C. Dai | Incertae sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Amaurodon viridis (Alb. & Schwein.) J. Schröt. | Thelephoraceae | CT, ME, PA, TP | Sw |
| Amphinema byssoides (Pers.) J. Erikss. | Atheliaceae | CT, ME, PA, TP | Em |
| Ampulloclitocybe clavipes (Pers.) Redhead, Lutzoni, Moncalvo & Vilgalys | Hygrophoraceae | CT, ME, PA | Sl |
| Amylocorticiellum subillaqueatum (Litsch.) Spirin & Zmitr. | Amylocorticiaceae | ME, PA | Sw |
| Amylocorticium cebennense (Bourdot) Pouzar | Amylocorticiaceae | CT, ME, PA, TP | Sw |
| Amyloporia xantha (Fr.) Bondartsev & Singer | Fomitopsidaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Amylostereum chailletii (Pers.) Boidin | Echinodontiaceae | CT, ME | Sw |
| Amylostereum laevigatum (Fr.) Boidin | Echinodontiaceae | CT, ME, PA | Sw |
| Annulohypoxylon cohaerens (Pers.) Y.M. Ju, J.D. Rogers & H.M. Hsieh | Hypoxylaceae | CT, ME, PA | Sw |
| Anthostoma gastrinum (Fr.) Sacc. | Diatrypaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Anthracobia macrocystis (Cooke) Boud. | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sbg |
| Anthracobia melaloma (Alb. & Schwein.) Arnould | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sbg |
| Antrodia albida (Fr.) Donk | Fomitopsidaceae | CT, ME, PA | Sw |
| Antrodia gossypium (Speg.) Ryvarden | Fomitopsidaceae | CT, ME, PA | Sw |
| Antrodia mappa (Overh. & J. Lowe) Miettinen & Vlasák | Fomitopsidaceae | CT, ME, PA | Sw |
| Apioperdon pyriforme (Schaeff.) Vizzini | Lycoperdaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Armillaria cepistipes Velen. | Physalacriaceae | CT, ME | Pn |
| Armillaria gallica Marxm. & Romagn. | Physalacriaceae | CT, ME, PA | Pn |
| Armillaria lutea Gillet | Physalacriaceae | CT, ME, PA | Pn |
| Armillaria mellea (Vahl) P. Kumm. | Physalacriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Pn |
| Arrhenia baeospora (Singer) Redhead, Lutzoni, Moncalvo & Vilgalys | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sm |
| Arrhenia elegans (Pers.) Redhead, Lutzoni, Moncalvo & Vilgalys | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sm |
| Arrhenia lilacinicolor (Bon) P.-A. Moreau & Courtec. | Hygrophoraceae | CT, ME, PA | Sm |
| Arrhenia rickenii (Hora) Watling | Hygrophoraceae | CT, ME, PA, SR, TP | Sm |
| Arrhenia spathulata (Fr.) Redhead | Hygrophoraceae | CT, PA, RG, SR | Sm |
| Artomyces pyxidatus (Pers.) Jülich | Auriscalpiaceae | CT, ME, PA | Sw |
| Ascobolus furfuraceus Pers. | Ascobolaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Ascotremella faginea (Peck) Seaver | Gelatinodiscaceae | CT, ME, PA | Sw |
| Aspidella solitaria (Bull.) E.-J. Gilbert | Amanitaceae | CL, CT, ME, PA | Em |
| Aspropaxillus candidus (Bres.) M.M. Moser | Tricholomataceae | CT, ME, PA | Sl |
| Aspropaxillus giganteus (Sowerby) Kühner & Maire | Tricholomataceae | CT, ME, PA | Sl |
| Aspropaxillus lepistoides (Maire) Kühner & Maire | Tricholomataceae | CT, ME | Sl |
| Asterophora lycoperdoides (Bull.) Ditmar | Lyophyllaceae | CT, ME | Pm |
| Asterophora parasitica (Bull.) Singer | Lyophyllaceae | CT, ME, PA | Pm |
| Asterostroma cervicolor (Berk. & M.A. Curtis) Massee | Peniophoraceae | ME, PA, TP | Sw |
| Asterostroma gaillardii Pat., | Peniophoraceae | ME, PA, TP | Sw |
| Astraeus hygrometricus (Pers.) Morgan | Diplocystidiaceae | PA, RG, SR, TP | St |
| Athelia acrospora Jülich | Atheliaceae | ME, PA, TP | Sw |
| Atheliachaete galactites (Bourdot & Galzin) Ţura, Zmitr., Wasser & Spirin | Phanerochaetaceae | PA, TP | Sw |
| Atheniella flavoalba (Fr.) Redhead, Moncalvo, Vilgalys, Desjardin & B.A. Perry | Mycenaceae | PA, ME, TP | Sl |
| Atractosporocybe inornata (Sowerby) P. Alvarado, G. Moreno & Vizzini | Incertae Sedis | CT, ME, PA, TP | Sl |
| Aureoboletus gentilis (Quél.) Pouzar | Boletaceae | CT, ME, PA, TP | Em |
| Aureoboletus moravicus (Vaček) Klofac | Boletaceae | CT, ME, PA | Em |
| Auricularia auricula-judae (Bull.) Quél. | Auriculariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Auricularia mesenterica (Dicks.) Pers. | Auriculariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Auriscalpium vulgare Gray | Auriscalpiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sc |
| Australohydnum dregeanum (Berk.) Hjortstam & Ryvarden | Irpicaceae | PA, TP | Sw |
| Baeospora myosura (Fr.) Singer | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sc |
| Balsamia platyspora Berk. | Helvellaceae | CT, ME | Em |
| Balsamia vulgaris Vittad. | Helvellaceae | CT, PA, SR | Em |
| Battarrea phalloides (Dicks.) Pers. | Agaricaceae | CL, CT, PA | St |
| Bertia moriformis (Tode) De Not. | Bertiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Biscogniauxia mediterranea (De Not.) Kuntze | Graphostromataceae | CT, ME, PA | Pn |
| Biscogniauxia nummularia (Bull.) Kuntze | Graphostromataceae | CT, ME, PA | Pn |
| Bjerkandera adusta (Willd.) P. Karst. | Phanerochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Pn |
| Bolbitius titubans (Bull.) Fr. | Bolbitiaceae | AG, CT, ME, PA | Sd |
| Boletopsis grisea (Peck) Bondartsev & Singer | Bankeraceae | CT, ME, PA | Em |
| Boletopsis leucomelaena (Pers.) Fayod | Bankeraceae | CT, ME, PA | Em |
| Boletus aereus Bull. | Boletaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Em |
| Boletus edulis Bull. | Boletaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Em |
| Boletus pinophilus Pilát & Dermek | Boletaceae | CT, ME, PA | Em |
| Boletus reticulatus Schaeff. | Boletaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Em |
| Boletus rhodopurpureus Smotl. | Boletaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Em |
| Boletus speciosus Frost | Boletaceae | CT, ME, PA | Em |
| Bonomyces sinopicus (Fr.) Vizzini | Pseudoclitocybaceae | AG, CT, ME, PA | Sl |
| Botryobasidium isabellinum (Fr.) D.P. Rogers | Botryobasidiaceae | ME, PA, TP | Sw |
| Botryobasidium pruinatum (Bres.) J. Erikss. | Botryobasidiaceae | ME, PA, TP | Sw |
| Bovista aestivalis (Bonord.) Demoulin | Lycoperdaceae | AG, PA, TP | Sl |
| Bovista nigrescens Pers. | Lycoperdaceae | CT, ME, PA, TP | Sl |
| Bovista plumbea Pers. | Lycoperdaceae | AG, ME, PA, TP | Sl |
| Bovista tomentosa (Vittad.) De Toni | Lycoperdaceae | CT, ME | Sl |
| Bovistella utriformis (Bull.) Demoulin & Rebriev | Lycoperdaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Sl |
| Britzelmayria multipedata (Peck) D. Wächt. & A. Melzer | Psathyrellaceae | AG, ME, PA, TP | Sw |
| Brunneoporus malicola (Berk. & M.A. Curtis) Audet | Fomitopsidaceae | CT, ME, PA | Sw |
| Buchwaldoboletus hemichrysus (Berk. & M.A. Curtis) Pilát | Boletaceae | CT, ME, PA, TP | Sw |
| Buchwaldoboletus lignicola (Kallenb.) Pilát | Boletaceae | CT, PA, TP | Sw |
| Bulgaria inquinans (Pers.) Fr. | Phacidiaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Sw |
| Butyriboletus appendiculatus (Schaeff.) D. Arora & J.L. Frank | Boletaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Em |
| Butyriboletus fechtneri (Velen.) D. Arora & J.L. Frank | Boletaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Em |
| Butyriboletus pseudoregius (Heinr. Huber) D. Arora & J.L. Frank | Boletaceae | AG, CT, CL, EN, ME, PA, RG, SR, TP | Em |
| Butyriboletus regius (Krombh.) D. Arora & J.L. Frank | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Byssocorticium atrovirens (Fr.) Bondartsev & Singer | Atheliaceae | ME, PA, TP | Sw |
| Byssomerulius corium (Pers.) Parmasto | Irpicaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Byssomerulius hirtellus (Burt) Parmasto | Irpicaceae | ME, PA, TP | Sw |
| Byssonectria deformis (P. Karst.) U. Lindem. & M. Vega | Pyronemataceae | ME, PA, TP | Sbg |
| Callistosporium luteo-olivaceum (Berk. & M.A. Curtis) Singer | Callistosporiaceae | CT, ME, PA | Sw |
| Caloboletus calopus (Pers.) Vizzini | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Caloboletus radicans (Pers.) Vizzini | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Calocera cornea (Batsch) Fr. | Dacrymycetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Calocera viscosa (Pers.) Fr. | Dacrymycetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Calocybe chrysenteron (Bull.) Singer | Lyophyllaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Calocybe favrei (R. Haller Aar. & R. Haller Suhr) Bon | Lyophyllaceae | CT, ME | St |
| Calocybe gambosa (Fr.) Donk | Lyophyllaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Calocybe gangraenosa (Fr.) V. Hofst., Moncalvo, Redhead & Vilgalys | Lyophyllaceae | AG, ME, PA | St |
| Calocybe hypoxantha (Joss. & Riousset) Bon | Lyophyllaceae | CT, ME | St |
| Calocybe ionides (Bull.) Donk | Lyophyllaceae | CT, ME, PA | St |
| Calocybe littoralis Ballero & Contu | Lyophyllaceae | CT, ME, PA | St |
| Calocybe onychina (Fr.) Donk | Lyophyllaceae | CT, ME, PA | St |
| Calonarius callochrous (Pers.) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Calonarius flavovirens (Rob. Henry) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Calonarius frondosophilus (Bidaud) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Calonarius olearioides (Rob. Henry) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Calongea prieguensis (Mor.-Arr., J. Gómez & Calonge) Healy, Bonito & Trappe | Pezizaceae | ME | UNK |
| Calvatia candida (Rostk.) Hollós | Lycoperdaceae | CT, ME | St |
| Calvatia cyathiformis (Bosc) Morgan | Lycoperdaceae | CT, ME, PA, TP | St |
| Calvatia gigantea (Batsch) Lloyd | Lycoperdaceae | CT, ME, PA | St |
| Calycina citrina (Hedw.) Gray | Pezizellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Calycina herbarum (Pers.) Gray | Pezizellaceae | CT, ME, PA | Sw |
| Candolleomyces candolleanus (Fr.) D. Wächt. & A. Melzer | Psathyrellaceae | CT, ME | Sw |
| Candolleomyces leucotephrus (Berk. & Broome) D. Wächt. & A. Melzer | Psathyrellaceae | CT, ME | Sw |
| Cantharellula umbonata (J.F. Gmel.) Singer | Hygrophoraceae | CT, ME | Em |
| Cantharellus alborufescens (Malençon) Papetti & S. Alberti | Hydnaceae | CT, ME, PA | Em |
| Cantharellus amethysteus (Quél.) Sacc. | Hydnaceae | CT, ME, PA | Em |
| Cantharellus cibarius Fr. var. cibarius | Hydnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Cantharellus cinereus (Pers.) Fr. | Hydnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Cantharellus ferruginascens P.D. Orton | Hydnaceae | CT, ME, TP | Em |
| Cantharellus friesii Quél. | Hydnaceae | CT, ME, PA | Em |
| Cantharellus lilacinopruinatus Hermitte, Eyssart. & Poumarat | Hydnaceae | CT, ME | Em |
| Cantharellus melanoxeros Desm. | Hydnaceae | CT, ME, PA, TP | Em |
| Cantharellus pallens Pilát | Hydnaceae | CT, ME, PA | Em |
| Cellulariella warnieri (Durieu & Mont.) Zmitr. & Malyshev | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ceraceomyces tessulatus (Cooke) Jülich | Amylocorticiaceae | CT, ME, PA, TP | Sw |
| Ceriporia alachuana (Murrill) Hallenb. | Irpicaceae | CT, ME, PA, TP | Sw |
| Ceriporia aurantiocarnescens (Henn.) M. Pieri & B. Rivoire | Irpicaceae | CT, ME, PA, TP | Sw |
| Ceriporia excelsa S. Lundell ex Parmasto | Irpicaceae | CT, ME, PA | Sw |
| Ceriporia griseoviolascens M. Pieri & B. Rivoire | Irpicaceae | CT, ME, PA, TP | Sw |
| Ceriporia purpurea (Fr.) Donk | Irpicaceae | CT, ME, PA, TP | Sw |
| Ceriporiopsis mucida (Pers.) Gilb. & Ryvarden | Meruliaceae | CT, ME, PA, TP | Sw |
| Cerioporus leptocephalus (Jacq.) Zmitr. | Polyporaceae | CT, ME | Sw |
| Cerioporus meridionalis (A. David) Zmitr. & Kovalenko | Polyporaceae | PA, TP | Sw |
| Cerioporus squamosus (Huds.) Quél. | Polyporaceae | CT, ME, PA | Sw |
| Cerioporus varius (Pers.) Zmitr. & Kovalenko | Polyporaceae | CT, ME, PA | Sw |
| Cerrena unicolor (Bull.) Murrill | Cerrenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Chalciporus piperatus (Bull.) Bataille | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Chalciporus rubinus (W.G. Sm.) Singer | Boletaceae | CT, ME | Em |
| Chamaemyces fracidus (Fr.) Donk | Agaricaceae | CT, ME | Sl |
| Cheilymenia aurantiacorubra K.S. Thind & S.C. Kaushal | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Cheilymenia fimicola (Bagl.) Dennis | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Cheilymenia granulata (Bull.) J. Moravec | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Cheilymenia pulcherrima (P. Crouan & H. Crouan) Boud. | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Cheilymenia raripila (W. Phillips) Dennis | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Cheilymenia stercorea (Pers.) Boud. | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Chlorociboria aeruginascens (Nyl.) Kanouse ex C.S. Ramamurthi, Korf & L.R. Batra | Chlorociboriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Chlorophyllum brunneum (Farl. & Burt) Vellinga | Agaricaceae | CT, ME, PA | St |
| Chlorophyllum molybdites (G. Mey.) Massee | Agaricaceae | CT, ME, PA, TP | St |
| Chlorophyllum rhacodes (Vittad.) Vellinga | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Choiromyces meandriformis Vittad. | Tuberaceae | CT, ME, PA | UNK |
| Chondrostereum purpureum (Pers.) Pouzar | Cyphellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Chroogomphus fulmineus (R. Heim) Courtec. | Gomphidiaceae | AG, CT, ME, PA, TP | Em |
| Chroogomphus helveticus (Singer) M.M. Moser | Gomphidiaceae | AG, CT, ME, PA, TP | Em |
| Chroogomphus rutilus (Schaeff.) O.K. Mill. | Gomphidiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Ciboria amentacea (Balb.) Fuckel | Sclerotiniaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ciboria batschiana (Zopf) N.F. Buchw. | Sclerotiniaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ciboria polygoni-vivipari Eckblad | Sclerotiniaceae | CT, ME, PA, RG, TP | Sw |
| Cinereomyces lindbladii (Berk.) Jülich | Gelatoporiaceae | CT, ME, PA, TP | Sw |
| Clathrus archeri (Berk.) Dring | Phallaceae | CT, ME | Sl |
| Clathrus ruber P. Micheli ex Pers. | Phallaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clavaria acuta Sowerby | Clavariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clavaria atrofusca Velen. | Clavariaceae | AG, CT, ME, PA | Sl |
| Clavaria fragilis Holmsk. | Clavariaceae | AG, CT, ME, PA | Sl |
| Clavaria fumosa Pers. | Clavariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clavariadelphus flavoimmaturus R.H. Petersen | Clavariadelphaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clavariadelphus pistillaris (L.) Donk | Clavariadelphaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clavariadelphus truncatus Donk | Clavariadelphaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clavulina amethystina (Bull.) Donk | Hydnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Clavulina cinerea (Bull.) J. Schröt. | Hydnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Clavulina coralloides (L.) J. Schröt. | Hydnaceae | CT, ME, PA | Em |
| Clavulina cristata (Holmsk.) J. Schröt. var. cristata | Hydnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Clavulina rugosa (Bull.) J. Schröt. | Hydnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Clavulinopsis corniculata (Schaeff.) Corner | Clavariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Clavulinopsis fusiformis (Sowerby) Corner | Clavariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Clavulinopsis laeticolor (Berk. & M.A. Curtis) R.H. Petersen | Clavariaceae | CT, ME, PA, TP | Em |
| Clitocella ammophila (Malençon) Consiglio | Entolomataceae | CL, CT, PA, RG | Em |
| Clitocella popinalis (Fr.) Kluting, T.J. Baroni & Bergemann | Entolomataceae | CL, CT, ME, PA, RG, TP | Em |
| Clitocybe agrestis Harmaja | Incertae Sedis | CT, ME, PA | Sl |
| Clitocybe amarescens Harmaja | Incertae Sedis | CL, CT, ME, PA, RG, TP | Sl |
| Clitocybe concava (Scop.) Gillet | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clitocybe cistophila Bon & Contu | Incertae Sedis | CT, ME | Sl |
| Clitocybe costata Kühner & Romagn. | Incertae Sedis | AG, PA, TP | Sl |
| Clitocybe dealbata (Sowerby) P. Kumm. | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clitocybe diatreta (Fr.) P. Kumm. | Incertae Sedis | CT, ME | Sl |
| Clitocybe fasciculata H.E. Bigelow & A.H. Sm. | Incertae Sedis | CT, ME, PA | Sl |
| Clitocybe fragrans (With.) P. Kumm. | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clitocybe hydrogramma (Bull.) P. Kumm. | Incertae Sedis | CT, ME, PA | Sl |
| Clitocybe infundibuliformis (Schaeff.) Quél. | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clitocybe leucodiatreta Bon | Incertae Sedis | CL, PA, RG, SR | Sl |
| Clitocybe metachroa (Fr.) P. Kumm. | Incertae Sedis | CT, ME | Sl |
| Clitocybe nebularis (Batsch) P. Kumm. | Incertae Sedis | CT, ME, PA | Sl |
| Clitocybe obsoleta (Batsch) Quél. | Incertae Sedis | AG, CL, PA, TP | Sl |
| Clitocybe odora (Bull.) P. Kumm. | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clitocybe phaeophthalma (Pers.) Kuyper | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clitocybe phyllophila (Pers.) P. Kumm. | Incertae Sedis | CL, CT, ME, PA, TP | Sl |
| Clitocybe rivulosa (Pers.) P. Kumm. | Incertae Sedis | CL, CT, PA, RG, SR | Sl |
| Clitocybe subspadicea (J.E. Lange) Bon & Chevassut | Incertae Sedis | CT, ME | Sl |
| Clitocybe truncicola (Peck) Sacc. | Incertae Sedis | CT, ME, PA | Sl |
| Clitocybe umbilicata P. Kumm. | Incertae Sedis | AG, PA, TP | Sl |
| Clitocybe vibecina (Fr.) Quél. | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clitopaxillus alexandri (Gillet) G. Moreno, Vizzini, Consiglio & P. Alvarado | Pseudoclitocybaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Clitopilus cystidiatus Hauskn. & Noordel. | Entolomataceae | CT, ME | Em |
| Clitopilus geminus (Paulet) Noordel. & Co-David | Entolomataceae | AG, CT, ME, PA, SR, TP | Em |
| Clitopilus prunulus (Scop.) P. Kumm. | Entolomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Chlorophyllum agaricoides (Czern.) Vellinga | Incertae Sedis | CT, ME | Sl |
| Collybia butyracea (Bull.) P. Kumm. | Omphalotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Collybia cirrhata (Schumach.) Quél. | Incertae Sedis | CT, ME, PA | Sl |
| Collybia cookei (Bres.) J.D. Arnold | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Collybia nivea (Mont.) Dennis | Incertae Sedis | CT, ME | Sl |
| Collybia ozes (Fr.) P. Karst. | Incertae Sedis | CT, ME | Sl |
| Coltricia perennis (L.) Murrill | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Colus hirudinosus Cavalier & Séchier | Phallaceae | PA, TP | Sl |
| Coniophora arida (Fr.) P. Karst. | Coniophoraceae | PA, TP | Sw |
| Coniophora olivacea (Fr.) P. Karst. | Coniophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Coniophora puteana (Schumach.) P. Karst. | Coniophoraceae | AG, PA | Sw |
| Conocybe aporos Kits van Wav. | Bolbitiaceae | CT, ME | Sl |
| Conocybe aurea (Jul. Schäff.) Hongo | Bolbitiaceae | CT, ME | Sl |
| Conocybe blattaria (Fr.) Kühner | Bolbitiaceae | CT, EN, ME, PA, TP | Sl |
| Conocybe dunensis T.J. Wallace | Bolbitiaceae | CL, PA | Sl |
| Conocybe filaris (Fr.) Kühner | Bolbitiaceae | CT, ME, PA, SR | Sl |
| Conocybe intrusa (Peck) Singer | Bolbitiaceae | CT, ME | Sl |
| Conocybe pilosella (Pers.) Kühner | Bolbitiaceae | CT, ME | Sl |
| Conocybe pubescens (Gillet) Kühner | Bolbitiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Conocybe rugosa (Peck) Watling | Bolbitiaceae | CT, EN, ME, PA, TP | Sl |
| Conocybe tenera (Schaeff.) Fayod | Bolbitiaceae | PA, TP | Sl |
| Contumyces vesuvianus (V. Brig.) Redhead, Moncalvo, Vilgalys & Lutzoni | Rickenellaceae | CT, EN, ME, PA, TP | Sm |
| Coprinellus angulatus (Peck) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprinellus disseminatus (Pers.) J.E. Lange | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprinellus domesticus (Bolton) Vilgalys, Hopple & Jacq. Johnson | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Coprinellus ephemerus (Bull.) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Coprinellus impatiens (Fr.) J.E. Lange | Psathyrellaceae | CT, ME, PA | Sl |
| Coprinellus micaceus (Bull.) Vilgalys, Hopple & Jacq. Johnson | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Coprinellus radians (Desm.) Vilgalys, Hopple & Jacq. Johnson | Psathyrellaceae | CT, ME, PA, TP | Sl |
| Coprinellus silvaticus (Peck) Gminder | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprinellus truncorum (Scop.) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Coprinellus xanthothrix (Romagn.) Vilgalys, Hopple & Jacq. Johnson | Psathyrellaceae | CT, ME | Sl |
| Coprinopsis atramentaria (Bull.) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprinopsis kimurae (Hongo & Aoki) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | CT, ME | Sl |
| Coprinopsis lagopus (Fr.) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprinopsis marcescibilis (Britzelm.) Örstadius & E. Larss. | Psathyrellaceae | CT, ME, PA | Sl |
| Coprinopsis melanthina (Fr.) Örstadius & E. Larss. | Psathyrellaceae | CL, PA | Sl |
| Coprinopsis nivea (Pers.) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Coprinopsis patouillardii (Quél.) Gminder | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprinopsis picacea (Bull.) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprinopsis radiata (Bolton) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | CT, ME, PA | Sl |
| Coprinopsis stercorea (Fr.) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Coprinopsis strossmayeri (Schulzer) Redhead, Vilgalys & Moncalvo | Psathyrellaceae | PA | Sw |
| Coprinus alopecia Lasch | Agaricaceae | CT, ME, PA | Sl |
| Coprinus astroideus (Fr.) Fr. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprinus comatus (O.F. Müll.) Pers. | Agaricaceae | AG, CL, PA, TP | Sl |
| Coprinus sterquilinus (Fr.) Fr. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Coprinus vosoustii Pilát | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Coprotus lacteus (Cooke & W. Phillips) Kimbr., Luck-Allen & Cain | Incertae sedis | CT, ME, PA | Sd |
| Cordyceps militaris (L.) Fr. | Cordycipitaceae | TP | Se |
| Corinectria fuckeliana (C. Booth) C. González & P. Chaverri | Nectriaceae | PA, TP | Sw |
| Coriolopsis gallica (Fr.) Ryvarden | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Coronicium gemmiferum (Bourdot & Galzin) J. Erikss. & Ryvarden | Pterulaceae | PA, TP | Sw |
| Corticium roseum Pers. | Corticiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Cortinarius alboviolaceus (Pers.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius anomalus (Fr.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius anthracinus Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius arcuatorum Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius atrovirens Kalchbr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius balteatocumatilis Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius bisporiger Contu | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius bulliardii (Pers.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius caerulescens (Schaeff.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius caesiocanescens M.M. Moser | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius caligatus Malençon | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius callochrous (Pers.) Gray | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius camphoratus (Fr.) Fr. | Cortinariaceae | CT, ME | Em |
| Cortinarius cedretorum Maire | Cortinariaceae | CT, ME, PA, TP | Em |
| Cortinarius cinnabarinus Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius collinitus (Sowerby) Gray | Cortinariaceae | CT, ME | Em |
| Cortinarius cotoneus Fr. | Cortinariaceae | AG, PA, TP | Em |
| Cortinarius croceus (Schaeff.) Gray | Cortinariaceae | CT, ME | Em |
| Cortinarius crystallinus Fr. | Cortinariaceae | CT, ME | Em |
| Cortinarius cyaneus (Bres.) M.M. Moser | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius decipiens (Pers.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius diabolicus (Fr.) Fr. | Cortinariaceae | CT, ME | Em |
| Cortinarius dibaphus Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius diosmus Kühner | Cortinariaceae | CT, ME | Em |
| Cortinarius duracinus Fr. | Cortinariaceae | CT, ME | Em |
| Cortinarius elatior Fr. | Cortinariaceae | CT, ME, PA, TP | Em |
| Cortinarius elegantior (Fr.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius elegantissimus Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius fulvo-ochrascens Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius glaucopus (Schaeff.) Gray | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius herculeus Malençon | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius hinnuleus Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius hinnuloides Rob. Henry | Cortinariaceae | CT, ME | Em |
| Cortinarius iliopodius (Bull.) Fr. | Cortinariaceae | CT, ME | Em |
| Cortinarius infractus (Pers.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius luridus Rob. Henry | Cortinariaceae | CT, ME | Em |
| Cortinarius meridionalis Bidaud, Moënne-Locc. & Reumaux | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius olearioides Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius olivascentium Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius orellanus Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius phaeophyllus P. Karst. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius praestans (Cordier) Gillet | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius pulchripes J. Favre | Cortinariaceae | CT, ME | Em |
| Cortinarius purpurascens Fr. var. purpurascens | Cortinariaceae | CT, ME | Em |
| Cortinarius rapaceus Fr. | Cortinariaceae | CT, ME | Em |
| Cortinarius rigens (Pers.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius rubellus Cooke | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius rufo-olivaceus (Pers.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius salor Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius saporatus Britzelm. | Cortinariaceae | AG, CT, ME, PA | Em |
| Cortinarius saturninus (Fr.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius scutulatus (Fr.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius semisanguineus (Fr.) Gillet | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius sodagnitus Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius splendens Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius trivialis J.E. Lange | Cortinariaceae | CT, ME, PA, TP | Em |
| Cortinarius variecolor (Pers.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius venetus (Fr.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius violaceus (L.) Gray | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius volvatus A.H. Sm. | Cortinariaceae | CT, ME | Em |
| Cortinarius zinziberatus (Scop.) Fr. | Cortinariaceae | CT, ME, PA | Em |
| Cortinarius xanthophyllus (Cooke) Rob. Henry | Cortinariaceae | CT, ME, PA | Em |
| Craterellus cornucopioides (L.) Pers. | Hydnaceae | CT, ME, PA, TP | Em |
| Craterellus lutescens (Fr.) Fr. | Hydnaceae | CT, ME, PA | Em |
| Craterellus tubaeformis (Fr.) Quél. | Hydnaceae | CT, ME, PA | Em |
| Craterellus undulatus (Pers.) E. Campo & Papetti | Hydnaceae | CT, ME | Em |
| Crepidotus applanatus (Pers.) P. Kumm. | Crepidotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Crepidotus autochthonus J.E. Lange | Crepidotaceae | CT, ME, PA | Sw |
| Crepidotus bresadolae Pilát | Crepidotaceae | CT, ME | Sw |
| Crepidotus calolepis (Fr.) P. Karst. | Crepidotaceae | CT, ME, PA, TP | Sw |
| Crepidotus caspari Velen. | Crepidotaceae | CT, ME, PA | Sw |
| Crepidotus cesatii (Rabenh.) Sacc. | Crepidotaceae | CT, ME, PA | Sw |
| Crepidotus epibryus (Fr.) Quél. | Crepidotaceae | CT, ME, PA | Sw |
| Crepidotus mollis (Schaeff.) Staude var. mollis | Crepidotaceae | CT, ME, PA, TP | Sw |
| Crepidotus subverrucisporus Pilát | Crepidotaceae | CT, ME | Sw |
| Crepidotus variabilis (Pers.) P. Kumm. | Crepidotaceae | AG, PA, SR, TP | Sw |
| Crinipellis scabella (Alb. & Schwein.) Kuyper | Marasmiaceae | AG, CL, CT, ME, PA, TP | Sl |
| Cristinia helvetica (Pers.) Parmasto | Stephanosporaceae | CT, ME, PA, TP | Sw |
| Cristinia rhenana Grosse-Brauckm. | Stephanosporaceae | CT, ME, PA, TP | Sw |
| Cryptomarasmius corbariensis (Roum.) T.S. Jenkinson & Desjardin | Physalacriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sle |
| Crucibulum crucibuliforme (Scop.) V.S. White | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Crucibulum laeve (Huds.) Kambly | Incertae Sedis | AG, CT, ME, PA | Sw |
| Cuphophyllus fornicatus (Fr.) Lodge, Padamsee & Vizzini | Hygrophoraceae | CT, ME, PA, TP | Sl |
| Cuphophyllus pratensis (Pers.) Bon | Hygrophoraceae | CT, ME, PA | Sl |
| Cuphophyllus russocoriaceus (Berk. & T.K. Mill.) Bon, | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Cuphophyllus virgineus (Wulfen) Kovalenko | Hygrophoraceae | AG, CT, ME, PA, TP | Sl |
| Cupreoboletus poikilochromus (Pöder, Cetto & Zuccher.) Simonini, Gelardi & Vizzini | Boletaceae | CT, ME, PA | Em |
| Cyanoboletus flavosanguineus (Lavorato & Simonini) Pierotti | Boletaceae | CT, ME, PA | Em |
| Cyanoboletus pulverulentus (Opat.) Gelardi, Vizzini & Simonini | Boletaceae | CT, ME, PA, TP | Em |
| Cyanosporus caesius (Schrad.) McGinty | Polyporaceae | CT, ME, PA | Sw |
| Cyanosporus subcaesius (A. David) B.K. Cui, L.L. Shen & Y.C. Dai | Polyporaceae | CT, ME, PA, TP | Sw |
| Cyathicula cyathoidea (Bull.) Thüm. | Helotiaceae | CT, ME, PA | Sw |
| Cyathus olla (Batsch) Pers. | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Cyathus stercoreus (Schwein.) De Toni | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Cyathus striatus (Huds.) Willd. | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Cyclocybe cylindracea (DC.) Vizzini & Angelini | Tubariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Cylindrobasidium laeve (Pers.) Chamuris | Physalacriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Cylindrobasidium evolvens (Fr.) Jülich | Physalacriaceae | CT, ME, PA, TP | Sw |
| Cystidiopostia hibernica (Berk. & Broome) B.K. Cui, L.L. Shen & Y.C. Dai | Incertae sedis | CT, ME, PA | Sw |
| Cystoderma amianthinum (Scop.) Fayod | Incertae Sedis | CT, ME, PA, TP | Sm |
| Cystoderma carcharias (Pers.) Fayod | Incertae Sedis | CT, ME, PA | Sm |
| Cystodermella adnatifolia (Peck) Harmaja | Incertae Sedis | CT, ME | Sm |
| Cystodermella ambrosii (Bres.) Smith & Singer | Incertae Sedis | CT, ME, PA | Sm |
| Cystodermella cinnabarina (Alb. & Schwein.) Harmaja | Incertae Sedis | CT, ME, PA | Sm |
| Cystodermella granulosa (Batsch) Harmaja | Incertae Sedis | CT, ME, PA | Sm |
| Cystodermella terryi (Berk. & Broome) Bellù | Incertae Sedis | CT, ME, PA | Sm |
| Cystolepiota cystophora (Malencon) M. Bon | Agaricaceae | CT, ME, PA | Sm |
| Cystostereum pini-canadense (Schwein.) Parmasto | Cystostereaceae | CT, ME, PA, TP | Sw |
| Dacrymyces capitatus Schwein. | Dacrymycetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Dacrymyces minor Peck | Dacrymycetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Dacrymyces stillatus Nees | Dacrymycetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Dacrymyces variisporus McNabb | Dacrymycetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Daedalea quercina (L.) Pers. | Fomitopsidaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Daedaleopsis confragosa (Bolton) J. Schröt. | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Daedaleopsis nitida (Durieu & Mont.) Zmitr. & Malysheva | Polyporaceae | CT, ME, PA | Sw |
| Daldinia concentrica (Bolton) Ces. & De Not. | Hypoxylaceae | AG, CL, CT, PA, RG, TP | Sw |
| Daldinia martinii M. Stadler, Venturella & Wollw. | Hypoxylaceae | PA | Sw |
| Daldinia raimundi M. Stadler, Venturella & Wollw. | Hypoxylaceae | PA | Sw |
| Daldinia vernicosa Ces. & De Not. | Hypoxylaceae | CT, ME | Sw |
| Daleomyces phillipsii (Massee) Seaver | Pezizaceae | CT, ME | Sbg |
| Dasyscyphella nivea (R. Hedw.) Raitv. | Lachnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Deconica coprophila (Bull.) P. Karst. | Strophariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Deconica merdaria (Fr.) Noordel. | Strophariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Deconica montana (Pers.) P.D. Orton | Strophariaceae | CT, ME | Sd |
| Delicatula integrella (Pers.) Fayod | Incertae Sedis | CT, ME | Sm |
| Dematophora necatrix R. Hartig | Xylariaceae | PA, TP | Sw |
| Dendrothele acerina (Pers.) P.A. Lemke | Incertae Sedis | PA, TP | Sw |
| Desarmillaria tabescens (Scop.) R.A. Koch & Aime | Physalacriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Pn |
| Descolea alba (Klotzsch) Kuhar, Nouhra & M.E. Sm. | Bolbitiaceae | PA, RG | UNK |
| Dialonectria episphaeria (Tode) Cooke | Nectriaceae | PA, TP | Sw |
| Diatrype disciformis (Hoffm.) Fr | Diatrypaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Diatrype stigma (Hoffm.) Fr. | Diatrypaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Diatrypella quercina (Pers.) Cooke | Diatrypaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Discina ancilis (Pers.) Sacc. | Discinaceae | CT, ME, PA | Sl |
| Discina fastigiata (Krombh.) Svrček & J. Moravec | Discinaceae | CT, ME | Sl |
| Discina melaleuca Bres. | Discinaceae | CT, ME, PA | Sl |
| Disciotis venosa (Pers.) Arnould, | Morchellaceae | CT, ME, PA | Sl |
| Disciseda bovista (Klotzsch) Henn. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Dissingia confusa (Harmaja) K. Hansen & X.H. Wang | Helvellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Dissingia leucomelaena (Pers.) K. Hansen & X.H. Wang | Helvellaceae | CL, PA, RG, TP | Sl |
| Dumontinia tuberosa (Bull.) L.M. Kohn | Sclerotiniaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Echinoderma asperum (Pers.) Bon | Agaricaceae | PA, TP | Sl |
| Echinoderma echinaceum (J.E. Lange) Bon | Agaricaceae | CT, ME, PA | Sl |
| Efibula tuberculata (P. Karst.) Zmitr. & Spirin | Irpicaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Eichleriella deglubens (Berk. & Broome) Lloyd | Auriculariaceae | ME, PA | Sw |
| Elaphomyces anthracinus Vittad. | Elaphomycetaceae | CT, ME, PA | Em |
| Elaphomyces citrinus Vittad. | Elaphomycetaceae | CT, ME, PA | Em |
| Elaphomyces granulatus Fr. | Elaphomycetaceae | CT, ME, PA | Em |
| Elaphomyces maculatus Vittad. | Elaphomycetaceae | CT, ME, PA | Em |
| Elaiopezia polaripapulata (J. Moravec) Van Vooren | Pezizaceae | PA, TP | Sl |
| Entocybe nitida (Quél.) T.J. Baroni, Largent & V. Hofst. | Entolomataceae | ME, CT | Sl |
| Entocybe turbida (Fr.) T.J. Baroni, V. Hofst. & Largent | Entolomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Entoloma aethiops (Scop.) G. Stev. | Entolomataceae | CT, ME | Sl |
| Entoloma aprile (Britzelm.) Sacc. | Entolomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Entoloma asprellum (Fr.) Fayod | Entolomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Entoloma atrocoeruleum Noordel. | Entolomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Entoloma bloxamii (Berk. & Broome) Sacc. | Entolomataceae | CT, ME, PA | Sl |
| Entoloma caeruleum (P.D. Orton) Noordel. | Entolomataceae | CT, ME, PA | Sl |
| Entoloma caesiocinctum (Kühner) Noordel. | Entolomataceae | CT, ME | Sl |
| Entoloma chalybeum (Pers.) Noordel. | Entolomataceae | CT, ME | Sl |
| Entoloma clypeatum (L.) P. Kumm. | Entolomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Entoloma conferendum (Britzelm.) Noordel. | Entolomataceae | CT, ME, PA | Sl |
| Entoloma corvinum (Kühner) Noordel. | Entolomataceae | CT, ME, PA | Sl |
| Entoloma griseoluridum (Kühner) M.M. Moser | Entolomataceae | CT, PA, TP | Sl |
| Entoloma hirtipes (Schumach.) M.M. Moser | Entolomataceae | CT, ME, PA | Sl |
| Entoloma incanum (Fr.) Hesler | Entolomataceae | CT, ME, PA | Sl |
| Entoloma indutoides (P.D. Orton) Noordel. | Entolomataceae | CT, ME, PA | Sl |
| Entoloma juncinum (Kühner & Romagn.) Noordel. | Entolomataceae | CT, ME | Sl |
| Entoloma kuehnerianum Noordel. | Entolomataceae | CT, ME | Sl |
| Entoloma lividoalbum (Kühner & Romagn.) Kubička | Entolomataceae | PA, TP | Sl |
| Entoloma mougeotii (Fr.) Hesler | Entolomataceae | CT, ME, PA | Sl |
| Entoloma papillatum (Bres.) Dennis | Entolomataceae | CT, ME | Sl |
| Entoloma plebeioides (Schulzer) Noordel. | Entolomataceae | CT, ME, PA | Sl |
| Entoloma plebejum (Kalchbr.) Noordel. | Entolomataceae | CT, ME, PA, RG, TP | Sl |
| Entoloma rhodopolium (Fr.) P. Kumm. | Entolomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Entoloma sericeum Quél. | Entolomataceae | CT, ME, PA | Sl |
| Entoloma serrulatum (Fr.) Hesler | Entolomataceae | CT, ME, PA, TP | Sl |
| Entoloma sinuatum (Bull.) P. Kumm. | Entolomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Entoloma undatum (Gillet) M.M. Moser | Entolomataceae | CT, ME, PA, TP | Sl |
| Erastia salmonicolor (Berk. & M.A. Curtis) Niemelä & Kinnunen | Incertae sedis | ME, PA, TP | Sw |
| Eutypella prunastri (Pers.) Sacc. | Diatrypaceae | ME, PA, TP | Sw |
| Exidia glandulosa (Bull.) Fr. | Auriculariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Exidia thuretiana (Lév.) Fr. | Auriculariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Exidiopsis calcea (Pers.) K. Wells | Auriculariaceae | CT, ME, PA | Sw |
| Exidiopsis effusa Bref. | Auriculariaceae | CT, ME, PA | Sw |
| Exidiopsis galzinii (Bres.) Killerm. | Auriculariaceae | CT, ME, PA | Sw |
| Exidiopsis leucophaea (Bres.) K. Wells | Auriculariaceae | CT, ME, PA | Sw |
| Faerberia carbonaria (Alb. & Schwein.) Pouzar | Incertae Sedis | PA, TP | Sbg |
| Fayodia anthracobia (J. Favre) Knudsen | Incertae Sedis | CT, ME | Sbg |
| Fibroporia vaillantii (DC.) Parmasto | Fibroporiaceae | CT, ME | Sw |
| Fibulomyces mutabilis (Bres.) Jülich | Atheliaceae | PA | Sw |
| Fischerula macrospora Mattir. | Morchellaceae | PA | UNK |
| Fistulina hepatica (Schaeff.) With. | Incertae Sedis | CT, ME, PA | Sw |
| Flammulaster carpophilus (Fr.) Earle ex Vellinga | Tubariaceae | CT, ME, PA | Sw |
| Flammulina velutipes (Curtis) Singer | Physalacriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Fomes fomentarius (L.) Fr. | Polyporaceae | CT, EN, ME, PA | Sw |
| Fomitiporia junipericola Rivoire & Pirlot | Hymenochaetaceae | CT, ME | Sw |
| Fomitiporia punctata (P. Karst.) Murrill | Hymenochaetaceae | CT, ME, PA | Sw |
| Fomitiporia pseudopunctata (A. David, Dequatre & Fiasson) Fiasson | Hymenochaetaceae | ME | Sw |
| Fuscoporia contigua (Pers.) G. Cunn. | Hymenochaetaceae | CT, ME, PA | Sw |
| Fuscoporia torulosa (Pers.) T. Wagner & M. Fisch. | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Fuscopostia leucomallella (Murrill) B.K. Cui, L.L. Shen & Y.C. Dai | Incertae sedis | PA | Sw |
| Galerina graminea (Velen.) Kühner | Hymenogastraceae | CL, CT, PA | Sl |
| Galerina hypnorum (Schrank) Kühner | Hymenogastraceae | TP | Sl |
| Galerina graminea (Velen.) Kühner | Hymenogastraceae | CT, ME | Sl |
| Galerina marginata (Batsch) Kühner | Hymenogastraceae | CT, ME, PA | Sl |
| Galerina stylifera (G.F. Atk.) A.H. Sm. & Singer | Hymenogastraceae | CT, ME | Sl |
| Galerina triscopa (Fr.) Kühner | Hymenogastraceae | CT, ME | Sl |
| Gamundia leucophylla (Gillet) H.E. Bigelow | Incertae Sedis | CT, ME | Sl |
| Ganoderma adspersum (Schulzer) Donk | Polyporaceae | AG, TP | Sw |
| Ganoderma applanatum (Pers.) Pat. | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ganoderma australe (Fr.) Pat. | Polyporaceae | PA | Sw |
| Ganoderma lucidum (Curtis) P. Karst. | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ganoderma resinaceum Boud. | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ganoderma tsugae Murrill | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ganoderma valesiacum Boud. | Polyporaceae | CT, ME, PA | Sw |
| Geastrum ambiguum Mont. | Geastraceae | CT, ME | Sl |
| Geastrum campestre Morgan | Geastraceae | CT, ME, PA | Sl |
| Geastrum coronatum Pers. | Geastraceae | CT, ME, PA | Sl |
| Geastrum elegans Vittad. | Geastraceae | CT, ME, PA, TP | Sl |
| Geastrum fimbriatum Fr. | Geastraceae | CT, ME, PA, RG | Sl |
| Geastrum floriforme Vittad. | Geastraceae | TP | Sl |
| Geastrum fornicatum (Huds.) Hook. | Geastraceae | CT, ME, PA | Sl |
| Geastrum kotlabae V.J. Staněk | Geastraceae | CT, ME | Sl |
| Geastrum lageniforme Vittad. | Geastraceae | CT, ME, PA | Sl |
| Geastrum nanum Pers. | Geastraceae | CT, ME, PA | Sl |
| Geastrum pectinatum Pers. | Geastraceae | CT, ME, PA, TP | Sl |
| Geastrum rufescens Pers. | Geastraceae | CT, ME, PA, TP | Sl |
| Geastrum saccatum Fr. | Geastraceae | CT, ME, PA, TP | Sl |
| Geastrum striatum DC. | Geastraceae | CT, ME, PA, TP | Sl |
| Geastrum triplex Jungh. | Geastraceae | AG, PA | Sl |
| Genea fragrans (Wallr.) Sacc. | Pyronemataceae | EN, ME, PA, SR | UNK |
| Genea hispidula Berk. ex Tul. & C. Tul. | Pyronemataceae | PA | Em |
| Genea lespiaultii Corda | Pyronemataceae | EN, ME, PA, SR | Em |
| Genea sphaerica Tul. & C. Tul. | Pyronemataceae | CT, PA | Em |
| Genea verrucosa Vittad. | Pyronemataceae | AG, ME, PA, TP, SR | Em |
| Geoglossum barlae Boud. | Geoglossaceae | CT, ME, PA, TP | Sl |
| Geoglossum cookeanum Nannf. ex Minter & P.F. Cannon | Geoglossaceae | CT, ME, PA, TP | Sl |
| Geoglossum peckianum Cooke | Geoglossaceae | CT, ME | Sl |
| Geoglossum simile Peck | Geoglossaceae | CT, ME | Sl |
| Geoglossum umbratile Sacc. | Geoglossaceae | PA, TP | Sl |
| Geopora arenicola (Lév.) Kers | Pyronemataceae | PA, RG, SR | Sl |
| Geopora arenosa (Fuckel) S. Ahmad | Pyronemataceae | CL, SR | Sl |
| Geopora clausa (Tul. & C. Tul.) Burds. | Pyronemataceae | CT, ME, PA, TP | Sl |
| Geopora cooperi Harkn. | Pyronemataceae | CT, ME, PA, TP | Sl |
| Geopora foliacea (Schaeff.) S. Ahmad | Pyronemataceae | CT, ME, PA, TP | Sl |
| Geopora sumneriana (Cooke ex W. Phillips) M. Torre | Pyronemataceae | AG, PA, TP | Sl |
| Geopyxis carbonaria (Alb. & Schwein.) Sacc. | Pyronemataceae | AG, PA, TP | Sbg |
| Geoscypha ampelina (Gillet) Van Vooren & Dougoud | Pezizaceae | CT, ME | Sl |
| Gliophorus irrigatus (Pers.) A.M. Ainsw. & P.M. Kirk | Hygrophoraceae | TP | Sl |
| Gliophorus psittacinus (Schaeff.) Herink | Hygrophoraceae | PA, TP | Sl |
| Gloeocystidiellum luridum (Bres.) Boidin | Stereaceae | CT, ME, PA | Sw |
| Gloeocystidiellum porosum (Berk. & M.A. Curtis) Donk | Stereaceae | PA | Sw |
| Gloeodontia columbiensis Burt ex Burds. & Lombard | Incertae Sedis | PA, TP | Sw |
| Gloeophyllum abietinum (Bull.) P. Karst. | Gloeophyllaceae | PA | Sw |
| Gloeophyllum sepiarium (Wulfen) P. Karst. | Gloeophyllaceae | AG, CL, PA, TP | Sw |
| Gloiothele citrina (Pers.) Ginns & G.W. Freeman | Peniophoraceae | PA, TP | Sw |
| Gloiothele lactescens (Berk.) Hjortstam | Peniophoraceae | PA, TP | Sw |
| Gomphidius glutinosus (Schaeff.) Fr. | Gomphidiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Gomphidius tyrrhenicus D. Antonini & M. Antonini | Gomphidiaceae | CT, ME | Em |
| Grifola frondosa (Dicks.) Gray | Grifolaceae | CT, ME, PA | Sw |
| Gymnopilus hybridus (Gillet) Maire | Hymenogastraceae | AG | Sw |
| Gymnopilus junonius (Fr.) P.D. Orton | Hymenogastraceae | AG, CT, ME, PA, TP | Sw |
| Gymnopilus luteofolius (Peck) Singer | Hymenogastraceae | CT, ME | Sw |
| Gymnopilus penetrans (Fr.) Murrill | Hymenogastraceae | CL, CT, ME, TP | Sw |
| Gymnopilus sapineus (Fr.) Murrill | Hymenogastraceae | PA, TP | Sw |
| Gymnopilus stabilis (Weinm.) Kühner & Romagn. ex Bon | Hymenogastraceae | CT, ME | Sw |
| Gymnopilus suberis (Maire) Singer | Hymenogastraceae | PA, TP, RG, SR | Sw |
| Gymnopus alkalivirens (Singer) Halling | Omphalotaceae | PA | Sw |
| Gymnopus androsaceus (L.) Della Magg. & Trassin. | Omphalotaceae | CT, ME, PA | Sw |
| Gymnopus aquosus (Bull.) Antonín & Noordel. | Omphalotaceae | PA, TP | Sw |
| Gymnopus brassicolens (Romagn.) Antonín & Noordel. | Omphalotaceae | PA, TP | Sl |
| Gymnopus dryophilus (Bull.) Murrill | Omphalotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Gymnopus erythropus (Pers.) Antonín, Halling & Noordel. | Omphalotaceae | CT, ME, PA | Sl |
| Gymnopus foetidus (Sowerby) P.M. Kirk | Omphalotaceae | CT, ME, PA | Sl |
| Gymnopus fusipes (Bull.) Gray | Omphalotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Gymnopus hariolorum (Bull.) Antonín, Halling & Noordel. | Omphalotaceae | CT, ME, PA, TP | Sl |
| Gymnopus impudicus (Fr.) Antonín, Halling & Noordel. | Omphalotaceae | CT, ME, PA, TP | Sl |
| Gymnopus ocior (Pers.) Antonín & Noordel. | Omphalotaceae | PA, TP | Sl |
| Gyrodon lividus (Bull.) Sacc. | Paxillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Gyromitra esculenta (Pers.) Fr. | Discinaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Gyromitra gigas (Krombh.) Cooke | Discinaceae | CT, ME | Sl |
| Gyromitra infula (Schaeff.) Quél. | Discinaceae | CT, ME, PA | Sl |
| Gyromitra leucoxantha (Bres.) Harmaja | Discinaceae | CT, ME | Sl |
| Gyroporus castaneus (Bull.) Quél. | Gyroporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Gyroporus cyanescens (Bull.) Quél. | Gyroporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Hapalopilus rutilans (Pers.) Murrill | Phanerochaetaceae | CT, ME, PA | Sw |
| Hebeloma album Peck | Hymenogastraceae | CT, ME | Sl |
| Hebeloma ammophilum Bohus | Hymenogastraceae | CL, CT, PA | Sl |
| Hebeloma anthracophilum Maire | Hymenogastraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Hebeloma birrus (Fr.) Gillet | Hymenogastraceae | CT, ME, PA | Sl |
| Hebeloma bulbiferum Maire | Hymenogastraceae | CT, ME | Sl |
| Hebeloma cistophilum Maire | Hymenogastraceae | PA, TP | Sl |
| Hebeloma crustuliniforme (Bull.) Quél. | Hymenogastraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Hebeloma fastibile (Pers.) P. Kumm. | Hymenogastraceae | CT, ME, TP | Sl |
| Hebeloma favrei Romagn. & Quadr. | Hymenogastraceae | CT, ME | Sl |
| Hebeloma hiemale Bres. | Hymenogastraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Hebeloma laterinum (Batsch) Vesterh. | Hymenogastraceae | CT, ME, PA, TP | Sl |
| Hebeloma leucosarx P.D. Orton | Hymenogastraceae | CT, ME, PA | Sl |
| Hebeloma malenconii Bellù & Lanzoni | Hymenogastraceae | CT, ME, PA | Sl |
| Hebeloma mesophaeum (Pers.) Quél. | Hymenogastraceae | CT, ME, PA, TP | Sl |
| Hebeloma populinum Romagn. | Hymenogastraceae | CT, ME | Sl |
| Hebeloma pusillum J.E. Lange | Hymenogastraceae | CT, ME | Sl |
| Hebeloma radicosum (Bull.) Ricken | Hymenogastraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Hebeloma sacchariolens Quél. | Hymenogastraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Hebeloma sarcophyllum (Peck) Sacc. | Hymenogastraceae | PA, TP | Sl |
| Hebeloma sinapizans (Paulet) Gillet | Hymenogastraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Hebeloma subcaespitosum Bon | Hymenogastraceae | SR | Sl |
| Hebeloma subsaponaceum P. Karst. | Hymenogastraceae | CT, ME | Sl |
| Hebeloma subtortum P. Karst. | Hymenogastraceae | CT, ME | Sl |
| Hebeloma testaceum Quél. | Hymenogastraceae | CT, ME, PA | Sl |
| Hebeloma theobrominum Quadr. | Hymenogastraceae | CT, ME | Sl |
| Hebeloma versipelle (Fr.) Gillet | Hymenogastraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Helvella acetabulum (L.) Quél. | Helvellaceae | AG, CL, PA | Sl |
| Helvella atra J. König | Helvellaceae | PA, TP | Sl |
| Helvella costifera Nannf. | Helvellaceae | PA | Sl |
| Helvella crispa (Scop.) Fr. | Helvellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Helvella elastica Bull. | Helvellaceae | CT, ME, PA, TP | Sl |
| Helvella ephippium Lév. | Helvellaceae | CT, ME, PA | Sl |
| Helvella fibrosa (Wallr.) Korf | Helvellaceae | CT, ME, PA | Sl |
| Helvella fusca Gillet | Helvellaceae | CT, ME, PA | Sl |
| Helvella juniperi M. Filippa & Baiano | Helvellaceae | CT, ME | Sl |
| Helvella lacunosa Afzel. | Helvellaceae | AG, ME, PA, TP | Sl |
| Helvella leucopus Pers. | Helvellaceae | CT, ME | Sl |
| Helvella panormitana Inzenga | Helvellaceae | CT, ME, PA | Sl |
| Helvella solitaria P. Karst. | Helvellaceae | CT, ME, PA, TP | Sl |
| Helvella spadicea Schaeff. | Helvellaceae | CT, ME, PA | Sl |
| Hemileccinum depilatum (Redeuilh) Šutara | Boletaceae | CT, ME, PA | Em |
| Hemileccinum impolitum (Fr.) Šutara | Boletaceae | AG, CT, ME, PA, TP | Em |
| Hemimycena cucullata (Pers.) Singer | Mycenaceae | CT, ME, PA | Sm |
| Hemimycena lactea (Pers.) Singer | Mycenaceae | AG, PA, TP | Sm |
| Henningsomyces candidus (Pers.) Kuntze | Incertae Sedis | PA TP | Sw |
| Hericium cirrhatum (Pers.) Nikol. | Hericiaceae | PA | Sw |
| Hericium coralloides (Scop.) Pers. | Hericiaceae | CT, ME, PA | Sw |
| Hericium erinaceus (Bull.) Pers. | Hericiaceae | ME, PA | Sw |
| Heterobasidion annosum (Fr.) Bref. | Bondarzewiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Hohenbuehelia atrocoerulea (Fr.) Singer | Pleurotaceae | ME, PA | St |
| Hohenbuehelia mastrucata (Fr.) Singer | Pleurotaceae | CT, ME, PA | St |
| Hohenbuehelia petaloides (Bull.) Schulzer | Pleurotaceae | CT, ME, PA, TP | St |
| Hohenbuehelia tremula (Schaeff.) Thorn & G.L. Barron | Pleurotaceae | CT, ME | St |
| Hortiboletus engelii (Hlaváček) Biketova & Wasser | Boletaceae | CT, ME, PA | Em |
| Hortiboletus rubellus (Krombh.) Simonini, Vizzini & Gelardi | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Humaria hemisphaerica (F.H. Wigg.) Fuckel | Pyronemataceae | PA, TP | Em |
| Hydnangium carneum Wallr. | Hydnangiaceae | EN, PA, RG, TP | UNK |
| Hydnellum aurantiacum (Batsch) P. Karst. | Bankeraceae | CT, ME | St |
| Hydnellum concrescens (Pers.) Banker | Bankeraceae | PA, TP | St |
| Hydnellum ferrugineum (Fr.) P. Karst. | Bankeraceae | PA, TP | St |
| Hydnellum glaucopus (Maas Geest. & Nannf.) E. Larss., K.H. Larss. & Kõljalg | Bankeraceae | CT, ME, PA | St |
| Hydnellum lepidum (Maas Geest.) E. Larss., K.H. Larss. & Kõljalg | Bankeraceae | CT, ME, PA | St |
| Hydnocristella himantia (Schwein.) R.H. Petersen | Lentariaceae | PA, TP | St |
| Hydnocystis bombycina (Vittad.) Healy & M.E. Sm. | Pyronemataceae | ME, PA | UNK |
| Hydnocystis piligera Tul. | Pyronemataceae | CT, ME, PA | UNK |
| Hydnoporia corrugata (Fr.) K.H. Larss. & Spirin | Hymenochaetaceae | PA, TP | Sw |
| Hydnoporia tabacina (Sowerby) Spirin, Miettinen & K.H. Larss. | Hymenochaetaceae | CT, ME, PA | Sw |
| Hydnum albidum Peck | Hydnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Hydnum amarescens Quél. | Hydnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Hydnum magnorufescens Vizzini, Picillo & Contu | Hydnaceae | CT, ME | St |
| Hydnum repandum L. | Hydnaceae | PA, TP | St |
| Hydropus floccipes (Fr.) Singer | Mycenaceae | CT, ME | Sw |
| Hygrocybe acutoconica (Clem.) Singer | Hygrophoraceae | CT, ME, PA | St |
| Hygrocybe aurantiosplendens R. Haller Aar. | Hygrophoraceae | CT, ME, PA | St |
| Hygrocybe ceracea (Sowerby) P. Kumm. | Hygrophoraceae | CT, ME, PA | St |
| Hygrocybe cereopallida (Clémençon) P. Roux & Eyssart. | Hygrophoraceae | CT, ME | St |
| Hygrocybe chlorophana (Fr.) Wünsche | Hygrophoraceae | CT, ME, PA, TP | St |
| Hygrocybe citrina (Rea) J.E. Lange | Hygrophoraceae | CT, ME, PA, TP | St |
| Hygrocybe citrinovirens (J.E. Lange) Jul. Schäff. | Hygrophoraceae | CT, ME, PA, TP | St |
| Hygrocybe coccinea (Schaeff.) P. Kumm. | Hygrophoraceae | AG, PA | St |
| Hygrocybe conica (Schaeff.) P. Kumm. | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Hygrocybe conicoides (P.D. Orton) P.D. Orton & Watling | Hygrophoraceae | PA, SR | St |
| Hygrocybe flavescens (Kauffman) Singer | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Hygrocybe glutinipes (J.E. Lange) R. Haller Aar. | Hygrophoraceae | CT, ME, PA | St |
| Hygrocybe marchii (Bres.) F.H. Møller | Hygrophoraceae | CT, ME, PA | St |
| Hygrocybe miniata (Fr.) P. Kumm. | Hygrophoraceae | CT, ME | St |
| Hygrocybe mollis (Berk. & Broome) M.M. Moser | Hygrophoraceae | CT, ME | St |
| Hygrocybe mucronella (Fr.) P. Karst. | Hygrophoraceae | CT, ME, PA, TP | St |
| Hygrocybe nigrescens (Quél.) Kühner | Hygrophoraceae | CT, ME, PA, TP | St |
| Hygrocybe punicea (Fr.) P. Kumm. | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Hygrocybe quieta (Kühner) Singer | Hygrophoraceae | CT, ME | St |
| Hygrocybe spadicea (Scop.) P. Karst. | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Hygrocybe splendidissima (P.D. Orton) M.M. Moser | Hygrophoraceae | CT, ME, PA | St |
| Hygrocybe subpapillata Kühner | Hygrophoraceae | CT, ME, PA | St |
| Hygrophoropsis aurantiaca (Wulfen) Maire | Hygrophoropsidaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Hygrophorus agathosmus (Fr.) Fr. | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus arbustivus Fr. | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus atramentosus (Alb. & Schwein.) H. Haas & R. Haller Aar. ex Bon | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus calophyllus P. Karst. | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus camarophyllus (Alb. & Schwein.) Dumée, Grandjean & Maire | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Hygrophorus chrysodon (Batsch) Fr. | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus cossus (Sowerby) Fr. | Hygrophoraceae | CT, ME, PA, TP | Em |
| Hygrophorus discoxanthus (Fr.) Rea | Hygrophoraceae | CT, ME, PA, TP | Em |
| Hygrophorus discoideus (Pers.) Fr | Hygrophoraceae | CT, ME | Em |
| Hygrophorus eburneus (Bull.) Fr. | Hygrophoraceae | ME, PA | Em |
| Hygrophorus erubescens (Fr.) Fr. | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus fagi G. Becker & Bon | Hygrophoraceae | CT, ME | Em |
| Hygrophorus gliocyclus Fr. | Hygrophoraceae | CT, ME | Em |
| Hygrophorus hyacinthinus Quél. | Hygrophoraceae | CT, ME | Em |
| Hygrophorus hypothejus (Fr.) Fr. | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus latitabundus Britzelm. | Hygrophoraceae | AG, PA, TP | Em |
| Hygrophorus leucophaeo-ilicis Bon & Chevassut | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus lindtneri M.M. Moser | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus melizeus (Fr.) Fr. | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus nemoreus (Pers.) Fr. | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus olivaceoalbus (Fr.) Fr. | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Hygrophorus penarius Fr. | Hygrophoraceae | PA, TP | Em |
| Hygrophorus persoonii Arnolds | Hygrophoraceae | PA, TP | Em |
| Hygrophorus pseudodiscoideus (Maire) Malençon & Bertault | Hygrophoraceae | CT, ME, PA | Em |
| Hygrophorus roseodiscoideus Bon & Chevassut | Hygrophoraceae | AG, PA | Em |
| Hygrophorus russula (Schaeff. ex Fr.) Kauffman | Hygrophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Hygrophorus speciosus Peck | Hygrophoraceae | CT, ME, PA | Em |
| Hymenochaete rubiginosa (Dicks.) Lév. | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Hymenogaster bulliardii Vittad. | Hymenogastraceae | CT, ME, PA | Em |
| Hymenogaster calosporus Tul. & C. Tul. | Hymenogastraceae | TP | Em |
| Hymenogaster citrinus Vittad. | Hymenogastraceae | PA | Em |
| Hymenogaster griseus Vittad. | Hymenogastraceae | CT, ME, TP | Em |
| Hymenogaster hessei Soehner | Hymenogastraceae | PA, SR | Em |
| Hymenogaster luteus Vittad. | Hymenogastraceae | PA, SR | Em |
| Hymenogaster lycoperdineus Vittad. | Hymenogastraceae | AG, ME, PA, TP | Em |
| Hymenogaster muticus Berk. & Broome | Hymenogastraceae | AG, TP | Em |
| Hymenogaster olivaceus Vittad. | Hymenogastraceae | AG, CT, ME, PA | Em |
| Hymenogaster populetorum Tul. & C. Tul. | Hymenogastraceae | AG, PA, TP | Em |
| Hymenogaster rehsteineri Bucholtz | Hymenogastraceae | PA, SR | Em |
| Hymenogaster thwaitesii Berk. & Broome | Hymenogastraceae | PA | Em |
| Hymenogaster vulgaris Tul. & C. Tul. | Hymenogastraceae | PA | Em |
| Hymenopellis radicata (Relhan) R.H. Petersen | Physalacriaceae | PA | Sw |
| Hymenopellis xeruloides (Bon) R.H. Petersen | Physalacriaceae | SR | Sw |
| Hymenoscyphus calyculus (Fr.) W. Phillips | Helotiaceae | PA, SR | Sw |
| Hymenoscyphus fructigenus (Bull.) Gray | Helotiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Hyphoderma medioburiense (Burt) Donk | Hyphodermataceae | PA, TP | Sw |
| Hyphoderma setigerum (Fr.) Donk | Hyphodermataceae | PA | Sw |
| Hyphodermella corrugata (Fr.) J. Erikss. & Ryvarden | Phanerochaetaceae | PA, TP | Sw |
| Hyphodontia arguta (Fr.) J. Erikss. | Hyphodontiaceae | PA, TP | Sw |
| Hyphodontia pallidula (Bres.) J. Erikss. | Hyphodontiaceae | PA, TP | Sw |
| Hyphodontia quercina (Pers.) J. Erikss. | Hyphodontiaceae | PA, TP | Sw |
| Hyphodontia spathulata (Schrad.) Parmasto | Hyphodontiaceae | EN | Sw |
| Hypholoma capnoides (Fr.) P. Kumm. | Strophariaceae | PA | Sw |
| Hypholoma dispersum Quél. | Strophariaceae | PA | Sw |
| Hypholoma fasciculare (Huds.) P. Kumm. | Strophariaceae | AG, PA, TP | Sw |
| Hypholoma lateritium (Schaeff.) P. Kumm. | Strophariaceae | CT, ME | Sw |
| Hypocrea gelatinosa (Tode) Fr. | Hypocreaceae | CT, ME | Sw |
| Hypoderma ferulae Lantieri | Rhytismataceae | PA | Sw |
| Hypoderma siculum Lantieri, P.R. Johnst. & Medardi | Rhytismataceae | PA | Sw |
| Hypomyces rosellus (Alb. & Schwein.) Tul. | Hypocreaceae | PA | Sw |
| Hypoxylon fragiforme (Pers.) J. Kickx f. | Hypoxylaceae | PA | Sw |
| Hypoxylon fuscum (Pers.) Fr. | Hypoxylaceae | CT, ME | Sw |
| Hypoxylon rubiginosum (Pers.) Fr. | Hypoxylaceae | PA | Sw |
| Hypsizygus tessulatus (Bull.) Singer | Lyophyllaceae | CT, ME | Sw |
| Hypsizygus ulmarius (Bull.) Redhead | Lyophyllaceae | CT, ME, PA | Sw |
| Hysterangium clathroides Vittad. | Hysterangiaceae | CT, ME | Em |
| Hysterangium coriaceum R. Hesse | Hysterangiaceae | PA | Em |
| Hysterangium inflatum Rodway | Hysterangiaceae | AG, CL, PA, TP | Em |
| Hysterangium stoloniferum Tul. & C. Tul. | Hysterangiaceae | PA | Em |
| Hysterium angustatum Alb. & Schwein. | Hysteriaceae | PA | Sw |
| Hysterium pulicare Pers. | Hysteriaceae | PA | Sw |
| Hysterographium fraxini (Pers.) De Not. | Incertae sedis | PA, TP | Sw |
| Ileodictyon gracile Berk. | Phallaceae | TP | Sl |
| Imleria badia (Fr.) Vizzini | Boletaceae | CT, ME, PA | Em |
| Imperator luteocupreus (Bertéa & Estadès) Assyov, Bellanger et al. | Boletaceae | CT, ME, PA | Em |
| Imperator rhodopurpureus (Smotl.) Assyov, Bellanger, Bertéa et al. | Boletaceae | CT, ME, PA | Em |
| Imperator torosus (Fr.) Assyov, Bellanger, Bertéa et al. | Boletaceae | CT, ME, PA | Em |
| Imperator xanthocyaneus (Ramain) Klofac | Boletaceae | CT, ME | Em |
| Infundibulicybe alkaliviolascens (Bellù) Bellù | Incertae Sedis | CT, ME, PA | Sl |
| Infundibulicybe geotropa (Bull.) Harmaja | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Infundibulicybe gibba (Pers.) Harmaja | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Infundibulicybe gigas (Harmaja) Harmaja | Incertae Sedis | CT, ME, PA | Sl |
| Infundibulicybe meridionalis (Bon) Pérez-De-Greg. | Incertae Sedis | CT, ME | Sl |
| Inocutis tamaricis (Pat.) Fiasson & Niemelä | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Inocybe amethystina Kuyper | Inocybaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Inocybe asterospora Quél. | Inocybaceae | CT, ME, PA | Em |
| Inocybe aurantioumbonata Franchi & M. Marchetti | Inocybaceae | CT, ME | Em |
| Inocybe auricoma (Batsch) Sacc. | Inocybaceae | CT, ME | Em |
| Inocybe brunnea Quél. | Inocybaceae | CT, ME | Em |
| Inocybe caesariata (Fr.) P. Karst. | Inocybaceae | CT, ME, TP | Em |
| Inocybe castaneicolor A. La Rosa, Bizio, Saitta & Tedersoo | Inocybaceae | CL, ME | Em |
| Inocybe cincinnata (Fr.) Quél. | Inocybaceae | CT, ME, PA | Em |
| Inocybe curvipes P. Karst. | Inocybaceae | CT, ME, PA | Em |
| Inocybe dulcamara (Pers.) P. Kumm. | Inocybaceae | PA, SR | Em |
| Inocybe dunensis P.D. Orton | Inocybaceae | SR | Em |
| Inocybe eutheles (Fr.) Quél. | Inocybaceae | TP | Em |
| Inocybe flocculosa Sacc. | Inocybaceae | CT, ME, PA | Em |
| Inocybe fraudans (Britzelm.) Sacc. | Inocybaceae | PA | Em |
| Inocybe fuscidula Velen. | Inocybaceae | PA | Em |
| Inocybe geophylla (Sowerby) P. Kumm. | Inocybaceae | AG, PA, TP | Em |
| Inocybe godeyi Gillet | Inocybaceae | CT, ME | Em |
| Inocybe grammopodia Malençon | Inocybaceae | CT, ME | Em |
| Inocybe griseolilacina J.E. Lange | Inocybaceae | PA | Em |
| Inocybe halophila R. Heim | Inocybaceae | SR | Em |
| Inocybe hirtella Bres. | Inocybaceae | PA | Em |
| Inocybe lacera (Fr.) P. Kumm. | Inocybaceae | PA | Em |
| Inocybe mixtilis (Britzelm.) Sacc. | Inocybaceae | PA | Em |
| Inocybe muricellata Bres. | Inocybaceae | CT, ME | Em |
| Inocybe napipes J.E. Lange | Inocybaceae | TP | Em |
| Inocybe nitidiuscula (Britzelm.) Lapl. | Inocybaceae | CT, ME | Em |
| Inocybe obscurobadia (J. Favre) Grund & D.E. Stuntz | Inocybaceae | AG, CL | Em |
| Inocybe ochroalba Bruyl. | Inocybaceae | PA | Em |
| Inocybe olida Maire | Inocybaceae | CT, ME | Em |
| Inocybe phaeodisca Kühner | Inocybaceae | PA | Em |
| Inocybe phaeoleuca Kühner | Inocybaceae | CT, ME | Em |
| Inocybe praetervisa Quél. | Inocybaceae | AG | Em |
| Inocybe pyriodora (Pers.) P. Kumm. | Inocybaceae | AG, PA, TP | Em |
| Inocybe roseipes Malençon | Inocybaceae | PA | Em |
| Inocybe rufuloides Bon | Inocybaceae | SR | Em |
| Inocybe scabelliformis Malençon | Inocybaceae | CT, ME | Em |
| Inocybe sericeopoda Furrer-Ziogas | Inocybaceae | PA | Em |
| Inocybe serotina Peck | Inocybaceae | CL | Em |
| Inocybe sindonia (Fr.) P. Karst. | Inocybaceae | PA | Em |
| Inocybe splendens R. Heim | Inocybaceae | PA | Em |
| Inocybe tenebrosa Quél. | Inocybaceae | PA | Em |
| Inocybe whitei (Berk. & Broome) Sacc. | Inocybaceae | CL, CT, ME, PA | Em |
| Inonotus hispidus (Bull.) P. Karst. | Hymenochaetaceae | ME, PA | Sw |
| Inonotus rickii (Pat.) D.A. Reid | Hymenochaetaceae | PA | Sw |
| Inosperma adaequatum (Britzelm.) Matheny & Esteve-Rav. | Inocybaceae | CT, ME | Em |
| Inosperma bongardii (Weinm.) Matheny & Esteve-Rav. | Inocybaceae | AG, CT, ME, PA, TP | Em |
| Inosperma cervicolor (Pers.) Matheny & Esteve-Rav. | Inocybaceae | CL, PA, TP | Em |
| Inosperma cookei (Bres.) Matheny & Esteve-Rav. | Inocybaceae | PA | Em |
| Inosperma erubescens (A. Blytt) Matheny & Esteve-Rav. | Inocybaceae | CT, ME, PA | Em |
| Inosperma geraniodorum (J. Favre) Matheny & Esteve-Rav. | Inocybaceae | CT, ME | Em |
| Inosperma maculatum (Boud.) Matheny & Esteve-Rav. | Inocybaceae | CT, ME | Em |
| Inosperma pisciodorum (Donadini & Riousset) Matheny & Esteve-Rav. | Inocybaceae | CT, ME | Em |
| Irpiciporus pachyodon (Pers.) Kotl. & Pouzar | Meruliaceae | CT, ME, PA | Sw |
| Jackrogersella cohaerens (Pers.) L. Wendt, Kuhnert & M. Stadler | Hypoxylaceae | CT, ME, PA | Sw |
| Jimgerdemannia flammicorona (Trappe & Gerd.) Trappe, Desirò, M.E. Sm. et al. | Endogonaceae | ME | Em |
| Junghuhnia nitida (Pers.) Ryvarden | Steccherinaceae | ME, PA | Sw |
| Kavinia alboviridis (Morgan) Gilb. & Budington | Lentariaceae | PA | Sw |
| Kretzschmaria deusta (Hoffm.) P.M.D. Martin | Xylariaceae | PA | Sw |
| Kuehneromyces mutabilis (Schaeff.) Singer & A.H. Sm. | Strophariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Kurtia argillacea (Bres.) Karasiński | Incertae sedis | PA, TP | Sw |
| Laccaria amethystina Cooke | Hydnangiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Laccaria bicolor (Maire) P.D. Orton | Hydnangiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Laccaria bisporigera Contu & Ballero | Hydnangiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Laccaria fraterna (Sacc.) Pegler | Hydnangiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Laccaria laccata (Scop.) Cooke | Hydnangiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Laccaria lateritia Malençon | Hydnangiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Laccaria macrocystidiata (Migl. & Lavorato) Pázmány | Hydnangiaceae | CT, ME, PA, TP | Em |
| Laccaria proxima (Boud.) Pat. | Hydnangiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Laccaria purpureobadia D.A. Reid | Hydnangiaceae | CT, ME | Em |
| Laccaria tetraspora Singer | Hydnangiaceae | CT, PA, TP | Em |
| Laccariopsis mediterranea (Pacioni & Lalli) Vizzini | Physalacriaceae | AG, CT, ME, PA, RG, SR, TP | Sl |
| Lachnellula subtilissima (Cooke) Dennis | Lachnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Lachnum bicolor (Bull.) P. Karst. | Lachnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Lachnum virgineum (Batsch) P. Karst. | Lachnaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Lacrymaria lacrymabunda (Bull.) Pat. | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Lactarius acerrimus Britzelm. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lactarius acris (Bolton) Gray | Russulaceae | CT, ME | Em |
| Lactarius atlanticus Bon | Russulaceae | AG, CT, ME, PA, TP | Em |
| Lactarius aurantiacus (Pers.) Gray | Russulaceae | CT, ME, PA | Em |
| Lactarius azonites (Bull.) Fr. | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius badiosanguineus Kühner & Romagn. | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius blennius (Fr.) Fr. | Russulaceae | CT, ME, PA | Em |
| Lactarius camphoratus (Bull.) Fr. | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius chrysorrheus Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lactarius circellatus Fr. | Russulaceae | CT, ME | Em |
| Lactarius cistophilus Bon & Trimbach | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius controversus Pers. | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius cremor Fr. | Russulaceae | CT, ME | Em |
| Lactarius decipiens Quél. | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius deliciosus (L.) Gray | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lactarius fluens Boud. | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius fuliginosus (Fr.) Fr. | Russulaceae | PA, TP | Em |
| Lactarius fulvissimus Romagn. | Russulaceae | CT, ME, PA | Em |
| Lactarius glyciosmus (Fr.) Fr. | Russulaceae | CT, ME | Em |
| Lactarius hepaticus Plowr. | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius ilicis Sarnari | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius lacunarum Romagn. ex Hora | Russulaceae | CT, ME, PA | Em |
| Lactarius mairei Malençon | Russulaceae | AG, CT, ME, PA, TP | Em |
| Lactarius mediterraneensis Llistos. & Bellù | Russulaceae | ME, PA | Em |
| Lactarius pallidus Pers. | Russulaceae | CT, ME, PA, TP | Em |
| Lactarius pterosporus Romagn. | Russulaceae | CT, ME, PA | Em |
| Lactarius pubescens Fr. | Russulaceae | CT, ME | Em |
| Lactarius pyrogalus (Bull.) Fr. | Russulaceae | CT, ME, PA | Em |
| Lactarius quietus (Fr.) Fr. | Russulaceae | CT, ME, PA | Em |
| Lactarius rubrocinctus Fr. | Russulaceae | CT, ME, PA | Em |
| Lactarius rufus (Scop.) Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lactarius sanguifluus (Paulet) Fr. | Russulaceae | AG, PA, TP | Em |
| Lactarius semisanguifluus R. Heim & Leclair | Russulaceae | AG, CT, ME, PA, TP | Em |
| Lactarius serifluus (DC.) Fr. | Russulaceae | AG, CT, ME, PA, TP | Em |
| Lactarius subdulcis (Pers.) Gray | Russulaceae | CT, ME, PA | Em |
| Lactarius subumbonatus Lindgr. | Russulaceae | PA, TP | Em |
| Lactarius tesquorum Malençon | Russulaceae | CL, ME, PA, TP | Em |
| Lactarius uvidus (Fr.) Fr. | Russulaceae | AG, CT, ME, PA, TP | Em |
| Lactarius violascens (J. Otto) Fr. | Russulaceae | AG, PA, TP | Em |
| Lactarius zonarius (Bull.) Fr. | Russulaceae | CT, ME, PA, TP | Em |
| Lactifluus bertillonii (Neuhoff ex Z. Schaef.) Verbeken | Russulaceae | CT, ME | Em |
| Lactifluus glaucescens (Crossl.) Verbeken | Russulaceae | CT, ME, PA | Em |
| Lactifluus luteolus (Peck) Verbeken | Russulaceae | CT, ME | Em |
| Lactifluus pergamenus (Sw.) Kuntze | Russulaceae | CT, ME, PA | Em |
| Lactifluus piperatus (L.) Roussel | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lactifluus rugatus (Kühner & Romagn.) Verbeken | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lactifluus vellereus (Fr.) Kuntze | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lactifluus volemus (Fr.) Kuntze | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lactocollybia epia (Berk. & Broome) Pegler | Incertae sedis | CT, ME | Sl |
| Laeticutis cristata (Schaeff.) Audet | Incertae sedis | CT, ME, PA | Sl |
| Laetiporus sulphureus (Bull.) Murrill | Laetiporaceae | AG, PA, RG, SR, TP | Sw |
| Lanmaoa fragrans (Vittad.) Vizzini, Gelardi & Simonini | Boletaceae | CT, ME, PA | Em |
| Lamprospora ammophila (Saut.) Boud. | Pyronemataceae | CT, ME | Sm |
| Lamprospora dictydiola Boud. | Pyronemataceae | RG | Sm |
| Lamprospora miniata De Not. | Pyronemataceae | RG | Sm |
| Lanzia echinophila (Bull.) Korf | Rutstroemiaceae | CT, ME, PA | Scu |
| Lasiobolus cuniculi Velen. | Ascodesmidaceae | PA | Sd |
| Laxitextum bicolor (Pers.) Lentz | Hericiaceae | PA | Sw |
| Leccinellum corsicum (Rolland) Bresinsky & Manfr. Binder | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Leccinellum crocipodium (Letell.) Della Magg. & Trassin. | Boletaceae | CT, ME, PA | Em |
| Leccinellum griseum (Quél.) Bresinsky & Manfr. Binder | Boletaceae | CT, ME, PA | Em |
| Leccinellum lepidum (H. Bouchet ex Essette) Bresinsky & Manfr. Binder | Boletaceae | CT, ME, PA, TP | Em |
| Leccinellum pseudoscabrum (Kallenb.) Mikšík | Boletaceae | CT, ME, PA | Em |
| Leccinum albostipitatum den Bakker & Noordel. | Boletaceae | CT, ME | Em |
| Leccinum aurantiacum (Bull.) Gray | Boletaceae | CT, ME, PA | Em |
| Leccinum duriusculum (Schulzer ex Kalchbr.) Singer | Boletaceae | CT, ME, PA | Em |
| Leccinum melaneum (Smotl.) Pilát & Dermek | Boletaceae | CT, ME, PA | Em |
| Leccinum scabrum (Bull.) Gray | Boletaceae | CT, ME, PA | Em |
| Leccinum variicolor Watling | Boletaceae | PA | Em |
| Leccinum versipelle (Fr. & Hök) Snell | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Leccinum vulpinum Watling | Boletaceae | PA | Em |
| Legaliana badia (Pers.) Van Vooren | Pezizaceae | PA | St |
| Legaliana badiofuscoides (Donadini) Van Vooren | Pezizaceae | PA | Sw |
| Lentinellus cochleatus (Pers.) P. Karst. | Auriscalpiaceae | CT, ME, PA | Sw |
| Lentinellus flabelliformis (Bolton) S. Ito | Auriscalpiaceae | CT, ME, PA | Sw |
| Lentinellus micheneri (Berk. & M.A. Curtis) Pegler | Auriscalpiaceae | CT, ME, PA, TP | Sw |
| Lentinellus ursinus (Fr.) Kühner | Auriscalpiaceae | CT, ME | Sw |
| Lentinus arcularius (Batsch) Zmitr. | Polyporaceae | ME, PA, TP | Sw |
| Lentinus brumalis (Pers.) Zmitr. | Polyporaceae | CT, ME, PA | Sw |
| Lentinus scleropus (Pers.) Fr. | Polyporaceae | CT, ME | Sw |
| Lentinus substrictus (Bolton) Zmitr. & Kovalenko | Polyporaceae | CT, ME, PA | Sw |
| Lentinus tigrinus (Bull.) Fr. | Polyporaceae | CT, ME, PA | Sw |
| Lenzites betulinus (L.) Fr. | Polyporaceae | CT, PA | Sw |
| Leotia lubrica (Scop.) Pers. | Leotiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Lepiota brunneoincarnata Chodat & C. Martín | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Lepiota brunneolilacea Bon & Boiffard | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Lepiota castanea Quél. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Lepiota clypeolaria (Bull.) P. Kumm. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Lepiota cortinarius J.E. Lange | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Lepiota cristata (Bolton) P. Kumm. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Lepiota echinella Quél. & G.E. Bernard | Agaricaceae | CT, ME, PA | Sl |
| Lepiota erminea (Fr.) P. Kumm. | Agaricaceae | CT, ME, PA | Sl |
| Lepiota felina (Pers.) P. Karst. | Agaricaceae | CT, ME | Sl |
| Lepiota forquignonii Quél. | Agaricaceae | PA | Sl |
| Lepiota griseovirens Maire | Agaricaceae | CT, ME | Sl |
| Lepiota helveola Bres. | Agaricaceae | AG, PA | Sl |
| Lepiota ignivolvata Bousset & Joss. ex Joss. | Agaricaceae | PA | Sl |
| Lepiota kuehneri Huijsman ex Hora | Agaricaceae | CT, ME | Sl |
| Lepiota lilacea Bres. | Agaricaceae | CT, ME, PA | Sl |
| Lepiota magnispora Murrill | Agaricaceae | CL, CT, ME | Sl |
| Lepiota oreadiformis Velen. | Agaricaceae | PA | Sl |
| Lepiota pseudohelveola Kühner var. pseudohelveola | Agaricaceae | CT, ME, PA | Sl |
| Lepiota pseudolilacea Huijsman | Agaricaceae | CT, ME, PA | Sl |
| Lepiota subincarnata J.E. Lange | Agaricaceae | AG, CT, ME, PA, TP | Sl |
| Lepiota wasseri Bon | Agaricaceae | CT, ME | Sl |
| Lepiota xanthophylla P.D. Orton | Agaricaceae | TP | Sl |
| Lepista amara (Alb. & Schwein.) Maire | Incertae sedis | AG, PA, TP | Sl |
| Lepista densifolia (J. Favre) Singer & Clémençon | Incertae sedis | PA, TP | Sl |
| Lepista glaucocana (Bres.) Singer | Incertae sedis | CT, ME, PA | Sl |
| Lepista irina (Fr.) H.E. Bigelow | Incertae sedis | PA, TP | Sl |
| Lepista nuda (Bull.) Cooke | Incertae sedis | AG, PA, TP | Sl |
| Lepista ovispora (J.E. Lange) Gulden | Incertae sedis | CT, ME, PA | Sl |
| Lepista panaeolus (Fr.) P. Karst. | Incertae sedis | AG, PA | Sl |
| Lepista personata (Fr.) Cooke | Incertae sedis | CT, ME, PA | Sl |
| Lepista rickenii Singer | Incertae sedis | CT, ME, PA | Sl |
| Lepista sordida (Schumach.) Singer | Incertae sedis | AG, CL, CT, PA, RG, SR, TP | Sl |
| Leptosporomyces fuscostratus (Burt) Hjortstam | Atheliaceae | PA, TP | Sw |
| Leptosporomyces septentrionalis (J. Erikss.) Krieglst. | Atheliaceae | PA, TP | Sl |
| Leratiomyces squamosus (Pers.) Bridge & Spooner | Strophariaceae | CT, ME, PA | Sl |
| Leucoagaricus americanus (Peck) Vellinga | Agaricaceae | CT, ME, PA | Sl |
| Leucoagaricus badhamii (Berk. & Broome) Singer | Agaricaceae | CT, ME | Sl |
| Leucoagaricus barssii (Zeller) Vellinga | Agaricaceae | CT, ME, PA | Sl |
| Leucoagaricus boudierianus Bon | Agaricaceae | CL, CT, ME, PA | Sl |
| Leucoagaricus bresadolae (Schulzer) Bon & Boiffard var. bresadolae | Agaricaceae | CT, ME | Sl |
| Leucoagaricus carneifolius (Gillet) Wasser | Agaricaceae | CT, ME, PA | Sl |
| Leucoagaricus cinerascens (Quél.) Bon & Boiffard | Agaricaceae | CT, ME, PA | Sl |
| Leucoagaricus leucothites (Vittad.) Wasser | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Leucoagaricus littoralis (Menier) Bon & Boiffard | Agaricaceae | CL, CT, PA, RG | Sl |
| Leucoagaricus macrorhizus Locq. ex E. Horak | Agaricaceae | PA, TP | Sl |
| Leucoagaricus menieri (Sacc.) Singer | Agaricaceae | CT, ME, PA, RG, TP | Sl |
| Leucoagaricus pilatianus (Demoulin) Bon & Boiffard | Agaricaceae | CL, PA | Sl |
| Leucoagaricus salmoneophyllus Bon & Guinb. | Agaricaceae | CL | Sl |
| Leucoagaricus serenus (Fr.) Bon & Boiffard | Agaricaceae | CT, ME, PA | Sl |
| Leucoagaricus singeri (Bon ex Contu & Signor.) Consiglio & Contu | Agaricaceae | CT, ME, PA, SR | Sl |
| Leucoagaricus subcretaceus Bon | Agaricaceae | CT, ME | Sl |
| Leucoagaricus subvolvatus (Malençon & Bertault) Bon | Agaricaceae | CT, ME | Sl |
| Leucoagaricus volvatus Bon & A. Caball. | Agaricaceae | CT, ME, PA, SR | Sl |
| Leucoagaricus wichanskyi (Pilát) Bon & Boiffard | Agaricaceae | CT, ME, PA | Sl |
| Leucocoprinus birnbaumii (Corda) Singer | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Leucocoprinus brebissonii (Godey) Locq. | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Leucocoprinus cepistipes (Sowerby) Pat. | Agaricaceae | CT, ME, PA | Sl |
| Leucocoprinus cretaceus (Bull.) Locq. | Agaricaceae | CT, ME, PA | Sl |
| Leucocoprinus flos-sulphuris (Schnizl.) Cejp | Agaricaceae | CT, ME, PA | Sl |
| Leucocortinarius bulbiger (Alb. & Schwein.) Singer | Incertae sedis | CT, ME | Em |
| Leucocybe candicans (Pers.) Vizzini, P. Alvarado, G. Moreno & Consiglio | Incertae sedis | CT, ME, PA | Sl |
| Leucocybe connata (Schumach.) Vizzini, P. Alvarado, G. Moreno & Consiglio | Incertae sedis | CT, ME, PA | Sl |
| Leucocybe houghtonii (W. Phillips) Halama & Pencakowski | Incertae sedis | CT, ME, PA | Sl |
| Leucogaster nudus (Hazsl.) Hollós | Albatrellaceae | CT, ME, PA | UNK |
| Leucoinocybe lenta (Maire) Antonín, Borovička, Holec & Kolařík | Incertae sedis | CT, ME, PA | Em |
| Leucopaxillus agrippinae Buda, Consiglio, Setti & Vizzini | Tricholomataceae | CT, ME | Em |
| Leucopaxillus gentianeus (Quél.) Kotl. | Tricholomataceae | PA, TP | Em |
| Leucopaxillus paradoxus (Costantin & L.M. Dufour) Boursier | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Lichenomphalia umbellifera (L.) Redhead, Lutzoni, Moncalvo & Vilgalys | Hygrophoraceae | CT, ME | Sl |
| Limacella furnacea (Letell.) E.-J. Gilbert | Amanitaceae | CT, ME, PA | Sl |
| Limacella subfurnacea Contu | Amanitaceae | CL, CT, ME, PA, RG, SR, TP | Sl |
| Limacellopsis guttata (Pers.) Zhu L. Yang, Q. Cai & Y.Y. Cui | Amanitaceae | CT, ME, PA | Sl |
| Lindtneria chordulata (D.P. Rogers) Hjortstam | Stephanosporaceae | CT, ME, PA | Sw |
| Lophiostoma compressum (Pers.) Ces. & De Not. | Lophiostomataceae | CT, ME, PA | Sw |
| Lophiostoma viridarium Cooke | Lophiostomataceae | CT, ME | Sw |
| Lophodermium arundinaceum (Schrad.) Chevall. | Rhytismataceae | CT, ME, PA | Sw |
| Lycoperdon atropurpureum Vittad. | Lycoperdaceae | CT, ME, PA | Sl |
| Lycoperdon caudatum J. Schröt. | Lycoperdaceae | CT, ME | Sl |
| Lycoperdon echinatum Pers. | Lycoperdaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Lycoperdon ericaeum Bonord. | Lycoperdaceae | CT, ME | Sl |
| Lycoperdon excipuliforme (Scop.) Pers. | Lycoperdaceae | AG, CT, ME, PA, TP | Sl |
| Lycoperdon lividum Pers. | Lycoperdaceae | CT, ME, PA | Sl |
| Lycoperdon mammiforme Pers. | Lycoperdaceae | PA, TP | Sl |
| Lycoperdon marginatum Vittad. | Lycoperdaceae | CT, ME | Sl |
| Lycoperdon molle Pers. | Lycoperdaceae | PA, TP | Sl |
| Lycoperdon nigrescens Pers. | Lycoperdaceae | CT, ME, PA, TP | Sl |
| Lycoperdon perlatum Pers. | Lycoperdaceae | AG, CT, ME, PA, TP | Sl |
| Lycoperdon pratense Pers. | Lycoperdaceae | CT, ME, PA | Sl |
| Lycoperdon radicatum Durieu & Mont. | Lycoperdaceae | CT, ME, PA | Sl |
| Lycoperdon spadiceum Schaeff. | Lycoperdaceae | CT, ME, PA | Sl |
| Lycoperdon umbrinum Pers. | Lycoperdaceae | CT, ME, PA | Sl |
| Lyomyces crustosus (Pers.) P. Karst. | Schizoporaceae | CT, ME, PA | Sw |
| Lyomyces juniperi (Bourdot & Galzin) Riebesehl & Langer | Schizoporaceae | CT, ME, PA | Sw |
| Lyophyllum aemiliae Consiglio | Lyophyllaceae | CT, ME, TP | St |
| Lyophyllum amariusculum Clémençon | Lyophyllaceae | CT, ME | St |
| Lyophyllum buxeum (Maire) Singer | Lyophyllaceae | AG, CT, PA, RG | St |
| Lyophyllum caerulescens Clémençon ex Kibby | Lyophyllaceae | CT, ME | St |
| Lyophyllum crassifolium (Sacc.) Singer | Lyophyllaceae | AG, PA | St |
| Lyophyllum decastes (Fr.) Singer | Lyophyllaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Lyophyllum deliberatum (Britzelm.) Kreisel | Lyophyllaceae | CT, ME, PA, TP | St |
| Lyophyllum immundum (Berk.) Kühner | Lyophyllaceae | CT, ME, PA, TP | St |
| Lyophyllum infumatum (Bres.) Kühner | Lyophyllaceae | PA, TP | St |
| Lyophyllum littorale (Ballero & Contu) Contu | Lyophyllaceae | CT, ME, PA | St |
| Lyophyllum loricatum (Fr.) Kühner | Lyophyllaceae | CT, ME, PA | St |
| Lyophyllum paelochroum Clémençon | Lyophyllaceae | CT, ME, PA | St |
| Lyophyllum tenebrosum Clémençon | Lyophyllaceae | CT, ME | St |
| Macrocystidia cucumis (Pers.) Joss. | Macrocystidiaceae | CT, ME, PA | Sl |
| Macrolepiota excoriata (Schaeff.) Wasser | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Macrolepiota fuligineosquarrosa Malençon | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Macrolepiota fuliginosa (Barla) Bon | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Macrolepiota mastoidea (Fr.) Singer | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Macrolepiota olivascens Singer & M.M. Moser | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Macrolepiota permixta (Barla) Pacioni | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Macrolepiota procera (Scop.) Singer | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Macrolepiota venenata Bon | Agaricaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Mallocybe gymnocarpa (Kühner) Matheny & Esteve-Rav. | Inocybaceae | CT, ME | Em |
| Mallocybe heimii (Bon) Matheny & Esteve-Rav. | Inocybaceae | PA, SR | Em |
| Mallocybe leucoblema (Kühner) Matheny & Esteve-Rav. | Inocybaceae | CT, ME | Em |
| Mallocybe terrigena (Fr.) Matheny, Vizzini & Esteve-Rav. | Inocybaceae | CT, ME | Em |
| Marasmiellus candidus (Fr.) Singer | Omphalotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Marasmiellus confluens (Pers.) J.S. Oliveira | Marasmiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Marasmiellus peronatus (Bolton) J.S. Oliveira | Marasmiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Marasmiellus quercophilus (Pouzar) J.S. Oliveira | Marasmiaceae | CT, ME, PA, TP | Sl |
| Marasmiellus ramealis (Bull.) Singer | Marasmiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Marasmiellus trabutii (Maire) Singer | Omphalotaceae | CT, ME, PA, SR | Sl |
| Marasmius bulliardii Quél. | Marasmiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Marasmius cohaerens (Pers.) Cooke & Quél. | Marasmiaceae | CT, ME, PA, SR | Sl |
| Marasmius collinus (Scop.) Singer | Marasmiaceae | CT, ME, PA, SR | Sl |
| Marasmius epiphylloides (Rea) Sacc. & Trotter | Marasmiaceae | CT, ME, PA, TP | Sle |
| Marasmius epiphyllus (Pers.) Fr. | Marasmiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sle |
| Marasmius epodius Bres. | Marasmiaceae | CL, PA, SR | Sl |
| Marasmius hudsonii (Pers.) Fr. | Marasmiaceae | CT, ME, PA | Sle |
| Marasmius oreades (Bolton) Fr. | Marasmiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Marasmius rotula (Scop.) Fr. | Marasmiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Marasmius torquescens Quél. | Marasmiaceae | CT, ME | Sl |
| Marasmius wynneae Berk. & Broome | Marasmiaceae | CT, ME, PA | Sl |
| Marcelleina mediterranea Lantieri & Pfister | Pezizaceae | CT, ME, PA | Sl |
| Megacollybia platyphylla (Pers.) Kotl. & Pouzar | Incertae sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Melanogaster ambiguus (Vittad.) Tul. & C. Tul. | Paxillaceae | EN | Em |
| Melanogaster broomeanus Berk. | Paxillaceae | PA | Em |
| Melanogaster macrosporus Velen. | Paxillaceae | AG, PA | Em |
| Melanogaster tuberiformis Corda | Paxillaceae | PA | Em |
| Melanogaster variegatus (Vittad.) Tul. & C. Tul. | Paxillaceae | PA, TP | Em |
| Melanoleuca bresadolana Bon | Incertae sedis | CT, ME | Sl |
| Melanoleuca brevipes (Bull.) Pat. | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca cinereifolia (Bon) Bon | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca cognata (Fr.) Konrad & Maubl. | Incertae Sedis | CT, ME, PA | Sl |
| Melanoleuca curtipes (Fr.) Bon | Incertae sedis | CT, ME, PA, TP | Sl |
| Melanoleuca diverticulata G. Moreno & Bon | Incertae sedis | CL, CT, ME, PA | Sl |
| Melanoleuca exscissa (Fr.) Singer | Incertae Sedis | CT, ME, PA | Sl |
| Melanoleuca graminicola Kühner & Maire | Incertae Sedis | AG, PA, TP | Sl |
| Melanoleuca grammopodia (Bull.) Murrill | Incertae Sedis | CT, ME, PA | Sl |
| Melanoleuca humilis (Pers.) Pat. | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca leucophylloides (Bon) Bon | Incertae sedis | CT, ME | Sl |
| Melanoleuca melaleuca (Pers.) Murrill | Incertae Sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Melanoleuca meridionalis G. Moreno & Barrasa | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca microcephala (P. Karst.) Singer | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca polioleuca (Fr.) Kühner & Maire | Incertae Sedis | CT, ME, PA | Sl |
| Melanoleuca pseudobrevipes Bon | Incertae sedis | CT, ME | Sl |
| Melanoleuca pseudoevenosa Bon ex Bon & G. Moreno | Incertae Sedis | CT, ME, PA | Sl |
| Melanoleuca pseudoluscina Bon | Incertae sedis | CT, ME | Sl |
| Melanoleuca rasilis(Fr.) Singer | Incertae sedis | CT, ME | Sl |
| Melanoleuca schumacheri (Fr.) Singer | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca strictipes (P. Karst.) Jul. Schäff. | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca stridula (Fr.) Singer | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca subpulverulenta (Pers.) Singer | Incertae Sedis | CT, ME, PA | Sl |
| Melanoleuca tristis M.M. Moser | Incertae sedis | CT, ME, PA | Sl |
| Melanoleuca turrita (Fr.) Singer | Incertae sedis | CT, ME, PA | Sl |
| Melanophyllum haematospermum (Bull.) Kreisel | Agaricaceae | CT, ME | Sl |
| Melastiza chateri (W.G. Sm.) Boud. | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sbg |
| Melastiza cornubiensis (Berk. & Broome) J. Moravec | Pyronemataceae | CT, ME, PA | Sbg |
| Mensularia nodulosa (Fr.) T. Wagner & M. Fisch. | Hymenochaetaceae | CT, ME, PA | Sw |
| Mensularia radiata (Sowerby) Lázaro Ibiza | Hymenochaetaceae | CT, ME, PA | Sw |
| Meripilus giganteus (Pers.) P. Karst. | Meripilaceae | CT, ME, PA | Sw |
| Merismodes anomala (Pers.) Singer | Niaceae | CT, ME, PA | Sw |
| Metacapnodium dingleyae S. Hughes | Metacapnodiaceae | ME | Sw |
| Mollisia cinerea (Batsch) P. Karst. | Mollisiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Mollisia melaleuca (Fr.) Sacc. | Mollisiaceae | CT, ME, PA | Sw |
| Montagnea arenaria (DC.) Zeller | Agaricaceae | AG, PA, SR, TP | Sl |
| Montagnea candollei (Fr.) Fr. | Agaricaceae | CT, ME, PA | Sl |
| Morchella costata Pers. | Morchellaceae | CT, ME, PA | St |
| Morchella deliciosa Fr. | Morchellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Morchella elata Fr. | Morchellaceae | CT, ME, PA | St |
| Morchella esculenta (L.) Pers. | Morchellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Morchella hortensis Boud. | Morchellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Morchella semilibera DC. | Morchellaceae | CT, ME, PA | St |
| Morchella tridentina Bres. | Morchellaceae | CT, ME | St |
| Morchella vulgaris (Pers.) Gray | Morchellaceae | CT, ME | St |
| Mucidula mucida (Schrad.) Pat. | Physalacriaceae | CT, ME, PA | Sw |
| Mucronella calva (Alb. & Schwein.) Fr. | Incertae sedis | CT, ME, PA | Sw |
| Mutinus caninus (Huds.) Fr. | Phallaceae | CT, ME, PA, TP | Sl |
| Mycena acicula (Schaeff.) P. Kumm. | Mycenaceae | CT, ME, PA | St |
| Mycena aetites (Fr.) Quél. | Mycenaceae | PA, TP | St |
| Mycena alcalina (Fr.) P. Kumm. | Mycenaceae | CT, ME, PA | St |
| Mycena algeriensis Maire | Mycenaceae | CT, ME, PA | St |
| Mycena amicta (Fr.) Quél. | Mycenaceae | CT, ME, PA | St |
| Mycena arcangeliana Bres. | Mycenaceae | CT, ME, PA | St |
| Mycena aurantiomarginata (Fr.) Quél. | Mycenaceae | CT, ME, PA | St |
| Mycena capillaripes Peck | Mycenaceae | CT, ME, PA | St |
| Mycena cinerella (P. Karst.) P. Karst. | Mycenaceae | CT, ME, PA | St |
| Mycena crocata (Schrad.) P. Kumm. | Mycenaceae | CT, ME, PA | St |
| Mycena epipterygia (Scop.) Gray | Mycenaceae | CT, ME, PA | St |
| Mycena filopes (Bull.) P. Kumm. | Mycenaceae | CT, ME | St |
| Mycena flavescens Velen. | Mycenaceae | CT, ME, PA | St |
| Mycena galericulata (Scop.) Gray | Mycenaceae | AG, CT, ME, PA, TP | St |
| Mycena galopus (Pers.) P. Kumm. | Mycenaceae | CT, ME, PA | St |
| Mycena haematopus (Pers.) P. Kumm. | Mycenaceae | PA, TP | St |
| Mycena inclinata (Fr.) Quél. | Mycenaceae | CT, ME, PA | Sw |
| Mycena leptocephala (Pers.) Gillet | Mycenaceae | PA, TP | St |
| Mycena maculata P. Karst. | Mycenaceae | CT, ME, PA | St |
| Mycena megaspora Kauffman | Mycenaceae | CT, ME | St |
| Mycena meliigena (Berk. & Cooke) Sacc. | Mycenaceae | CT, ME | St |
| Mycena olivaceomarginata (Massee) Massee | Mycenaceae | CT, ME | St |
| Mycena pelianthina (Fr.) Quél. | Mycenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Mycena polygramma (Bull.) Gray | Mycenaceae | AG, PA | St |
| Mycena pseudocorticola Kühner | Mycenaceae | CT, ME, PA | St |
| Mycena pseudoinclinata A.H. Sm. | Mycenaceae | CT, ME, PA | Sw |
| Mycena pura (Pers.) P. Kumm. | Mycenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Mycena renati Quél. | Mycenaceae | CT, ME, PA | St |
| Mycena rosea Gramberg | Mycenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Mycena rosella (Fr.) P. Kumm. | Mycenaceae | CT, ME | St |
| Mycena seynii Quél. | Mycenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sc |
| Mycena stipata Maas Geest. & Schwöbel | Mycenaceae | CT, ME | St |
| Mycena strobilicola J. Favre & Kühner | Mycenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sc |
| Mycena supina (Fr.) P. Kumm. | Mycenaceae | CT, ME, PA | St |
| Mycena tintinnabulum (Paulet) Quél. | Mycenaceae | CT, ME, PA | St |
| Mycena villicaulis Maas Geest. | Mycenaceae | CT, ME | St |
| Mycena viridimarginata P. Karst. | Mycenaceae | CT, ME, PA | St |
| Mycena vitilis (Fr.) Quél. | Mycenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Mycena vulgaris (Pers.) P. Kumm. | Mycenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Mycena xantholeuca Kühner | Mycenaceae | CT, ME, PA | St |
| Mycenastrum corium (Guers.) Desv. | Agaricaceae | CT, ME | St |
| Mycetinis alliaceus (Jacq.) Earle ex A.W. Wilson & Desjardin | Omphalotaceae | CT, ME, PA | Sl |
| Mycetinis scorodonius (Fr.) A.W. Wilson & Desjardin | Omphalotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Mycoacia aurea (Fr.) J. Erikss. & Ryvarden | Meruliaceae | CT, ME, PA | Sw |
| Mycoacia fuscoatra (Fr.) Donk | Meruliaceae | CT, ME, PA | Sw |
| Mycoacia nothofagi (G. Cunn.) Ryvarden | Meruliaceae | CT, ME, PA | Sw |
| Mycoacia uda (Fr.) Donk | Meruliaceae | CT, ME, PA | Sw |
| Mycoaciella bispora (Stalpers) J. Erikss. & Ryvarden | Meruliaceae | CT, ME, PA | Sw |
| Myriostoma coliforme (Dicks.) Corda | Geastraceae | PA, TP | St |
| Myxomphalia maura (Fr.) Hora | Incertae sedis | CT, ME, PA | Sl |
| Nectria aurantiaca (Bab.) Jacz. | Nectriaceae | CT, ME | Sw |
| Nectria cinnabarina (Tode) Fr. | Nectriaceae | AG, PA | Sw |
| Nemania serpens (Pers.) Gray | Xylariaceae | CT, ME, PA | Sw |
| Neoantrodia serialis (Fr.) Audet | Fomitopsidaceae | CT, ME, PA, TP | Sw |
| Neoboletus erythropus (Pers.) C. Hahn | Boletaceae | AG, CT, ME, PA | Em |
| Neoboletus luridiformis (Rostk.) Gelardi, Simonini & Vizzini | Boletaceae | AG, CT, ME, PA | Em |
| Neoboletus xanthopus (Klofac & A. Urb.) Klofac & A. Urb. | Boletaceae | CT, ME | Em |
| Neobulgaria pura (Pers.) Petr. | Gelatinodiscaceae | CT, ME, PA, TP | Sw |
| Neoclitocybe nivea Singer | Incertae sedis | CT, ME | St |
| Neofavolus alveolaris (DC.) Sotome & T. Hatt | Polyporaceae | CT, ME, PA | Sw |
| Neolentinus cyathiformis (Schaeff.) Della Magg. & Trassin. | Gloeophyllaceae | CT, ME | Em |
| Neolentinus lepideus (Fr.) Redhead & Ginns | Gloeophyllaceae | CT, ME, PA | Em |
| Neonectria coccinea (Pers.) Rossman & Samuels | Nectriaceae | CT, ME, PA | Sw |
| Neottiella hetieri Boud. | Pyronemataceae | RG | St |
| Neournula pouchetii (Berthet & Riousset) Paden | Chorioactidaceae | AG | St |
| Nothopanus candidissimus (Sacc.) Kühner | Pleurotaceae | PA | Sw |
| Octaviania asterosperma Vittad. | Boletaceae | PA | Em |
| Octospora convexula (Pers.) L.R. Batra | Pyronemataceae | RG, SR | Sm |
| Octospora grimmiae Dennis & Itzerott | Pyronemataceae | PA | Sm |
| Octospora humosa (Fr.) Dennis | Pyronemataceae | RG | Sm |
| Octospora leucoloma Hedw. | Pyronemataceae | RG | Sm |
| Octospora lutziana (Boud.) Caillet & Moyne | Pyronemataceae | CT, ME | Sm |
| Octospora maireana (Seaver) Yei Z. Wang | Pyronemataceae | PA | Sm |
| Octospora rustica (Velen.) J. Moravec | Pyronemataceae | PA | Sm |
| Odontia fibrosa (Berk. & M.A. Curtis) Kõljalg | Thelephoraceae | PA | Sw |
| Odonticium flavicans (Bres.) Nakasone | Incertae sedis | PA | Sw |
| Omphalina pyxidata (Bull.) Quél. | Incertae sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sm |
| Omphalotus illudens (Schwein.) Bresinsky & Besl | Omphalotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Omphalotus olearius (DC.) Singer | Omphalotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Onnia tomentosa (Fr.) P. Karst. | Hymenochaetaceae | PA | Sw |
| Orbilia coccinella Fr. | Orbiliaceae | PA | Sw |
| Ossicaulis lignatilis (Pers.) Redhead & Ginns | Lyophyllaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Otidea alutacea (Pers.) Massee | Otideaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Otidea bufonia (Pers.) Boud. | Otideaceae | CT, ME, PA, TP | St |
| Otidea cochleata (L.) Fuckel | Otideaceae | CT, ME, PA | St |
| Otidea leporina (Batsch) Fuckel | Otideaceae | CT, ME, PA | St |
| Otidea onotica (Pers.) Fuckel | Otideaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Oxyporus latemarginatus (Durieu & Mont.) Donk | Oxyporaceae | CT, ME, PA | Sw |
| Panaeolina foenisecii (Pers.) Maire | Incertae sedis | CT, ME, PA | Sl |
| Panaeolus acuminatus (P. Kumm.) Quél. | Incertae sedis | CT, ME, PA | Sd |
| Panaeolus ater (J.E. Lange) Kühner & Romagn. ex Bon | Incertae sedis | PA, TP | Sd |
| Panaeolus caliginosus (Jungh.) Gillet | Incertae sedis | CT, ME | Sd |
| Panaeolus cinctulus (Bolton) Sacc. | Incertae sedis | CL, CT, ME, PA | Sd |
| Panaeolus cyanescens Sacc. | Incertae sedis | CT, ME, PA | Sd |
| Panaeolus fimiputris (Bull.) Quél. | Incertae sedis | CT, ME, PA | Sd |
| Panaeolus guttulatus Bres. | Incertae sedis | CT, ME, PA | Sd |
| Panaeolus papilionaceus (Bull.) Quél. | Incertae sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Panaeolus rickenii Hora | Incertae sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Panaeolus semiovatus (Sowerby) S. Lundell & Nannf. | Incertae sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Panellus stipticus (Bull.) P. Karst. | Mycenaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Panus conchatus (Bull.) Fr. | Panaceae | CT, ME, PA | Sw |
| Panus neostrigosus Drechsler-Santos & Wartchow | Panaceae | CT, ME, PA | Sw |
| Paragalactinia berthetiana (Donadini) Van Vooren | Pezizaceae | CT, ME, PA | Sm |
| Paragalactinia infuscata (Quél.) Van Vooren | Pezizaceae | CT, ME, PA | Sm |
| Paragalactinia michelii (Boud.) Van Vooren | Pezizaceae | CT, ME, TP | Sm |
| Paragalactinia succosa (Berk.) Van Vooren | Pezizaceae | CT, ME, PA | Sm |
| Paralepista ameliae (Arcang.) Vizzini | Incertae sedis | CT, ME, PA | Sl |
| Paralepista flaccida (Sowerby) Vizzini | Incertae sedis | CT, ME, PA, TP | Sl |
| Parasola auricoma (Pat.) Redhead, Vilgalys & Hopple | Psathyrellaceae | CT, ME, PA, TP | Sl |
| Parasola conopilea (Fr.) Örstadius & E. Larss. | Psathyrellaceae | CT, ME, PA | Sl |
| Parasola hemerobia (Fr.) Redhead, Vilgalys & Hopple | Psathyrellaceae | CT, ME, PA | Sl |
| Parasola kuehneri (Uljé & Bas) Redhead, Vilgalys & Hopple | Psathyrellaceae | CT, ME, PA | Sl |
| Parasola megasperma (P.D. Orton) Redhead, Vilgalys & Hopple | Psathyrellaceae | CT, ME, PA | Sl |
| Parasola misera (P. Karst.) Redhead, Vilgalys & Hopple | Psathyrellaceae | CT, ME | Sl |
| Parasola plicatilis (Curtis) Redhead, Vilgalys & Hopple | Psathyrellaceae | AG, CT, ME, PA, TP | Sl |
| Parmastomyces mollissimus (Maire) Pouzar | Fomitopsidaceae | CT, ME, PA | Sw |
| Patellaria atrata (Hedw.) Fr. | Patellariaceae | CT, ME, PA, SR | Sw |
| Paxillus ammoniavirescens Contu & Dessì | Paxillaceae | CT, ME | St |
| Paxillus involutus (Batsch) Fr. | Paxillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Paxillus ionipus Quél. | Paxillaceae | CT, ME | Sw |
| Paxillus obscurisporus C. Hahn | Paxillaceae | CT, ME | St |
| Paxillus rubicundulus P.D. Orton | Paxillaceae | CT, ME, PA | St |
| Paxina clypeata (Pers.) Linder | Helvellaceae | CT, ME, TP | St |
| Peniophora boidinii D.A. Reid | Peniophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Peniophora cinerea (Pers.) Cooke | Peniophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Peniophora incarnata (Pers.) P. Karst. | Peniophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Peniophora lycii (Pers.) Höhn. & Litsch. | Peniophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Peniophora meridionalis Boidin | Peniophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Peniophora nuda (Fr.) Bres. | Peniophoraceae | PA | Sw |
| Peniophora pini (Schleich.) Boidin | Peniophoraceae | PA | Sw |
| Peniophora quercina (Pers.) Cooke | Peniophoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Peniophora versicolor (Bres.) Sacc. & P. Syd. | Peniophoraceae | PA | Sw |
| Peniophora versiformis (Berk. & M.A. Curtis) Bourdot & Galzin | Peniophoraceae | TP | Sw |
| Peniophorella praetermissa (P. Karst.) K.H. Larss. | Rickenellaceae | CT, ME, PA | Sw |
| Peniophorella pubera (Fr.) P. Karst. | Rickenellaceae | CT, ME | Sw |
| Penttilamyces romellii (Ginns) Zmitr., Kalinovskaya & Myasnikov | Coniophoraceae | PA | Sw |
| Perrotia flammea (Alb. & Schwein.) Boud. | Lachnaceae | PA | Sw |
| Peziza ammophila Durieu & Lév. | Pezizaceae | AG, CT, ME, PA, RG, SR; TP | St |
| Peziza arvernensis Roze & Boud. | Pezizaceae | CT, ME, PA | St |
| Peziza brunneoatra Desm. | Pezizaceae | TP | St |
| Peziza cerea Sowerby | Pezizaceae | PA | St |
| Peziza domiciliana Cooke | Pezizaceae | SR | St |
| Peziza echinospora P. Karst. | Pezizaceae | CT, ME | St |
| Peziza fimeti (Fuckel) E.C. Hansen | Pezizaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Peziza hortensis P. Crouan & H. Crouan | Pezizaceae | CT, ME, PA | St |
| Peziza lobulata (Velen.) Svrček | Pezizaceae | PA | St |
| Peziza maximovicii (Velen.) Svrček | Pezizaceae | PA | St |
| Peziza micropus Pers. | Pezizaceae | PA | St |
| Peziza praetervisa Bres. | Pezizaceae | CT, ME | St |
| Peziza proteana (Boud.) Seaver | Pezizaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Peziza pseudoammophila Bon & Donadini | Pezizaceae | CL, PA, RG, SR | St |
| Peziza pseudoviolacea Donadini | Pezizaceae | PA | St |
| Peziza repanda Pers. | Pezizaceae | PA | St |
| Peziza sepiatra Cooke | Pezizaceae | SR | St |
| Peziza subviolacea Svrček | Pezizaceae | PA | St |
| Peziza varia (Hedw.) Alb. & Schwein. | Pezizaceae | CL, PA, RG | St |
| Peziza vesiculosa Bull. | Pezizaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Peziza violacea (Bull.) Relhan | Pezizaceae | PA | St |
| Phaeolepiota aurea (Matt.) Maire | Incertae sedis | AG, ME | Sl |
| Phaeomarasmius erinaceus (Fr.) Scherff. ex Romagn. | Tubariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Phanerochaete laevis (Fr.) J. Erikss. & Ryvarden | Phanerochaetaceae | CT, ME, PA, TP | Sw |
| Phanerochaete martelliana (Bres.) J. Erikss. & Ryvarden | Phanerochaetaceae | CT, ME, PA, TP | Sw |
| Phanerochaete sordida (P. Karst.) J. Erikss. & Ryvarden | Phanerochaetaceae | CT, ME, PA, TP | Sw |
| Phaeoclavulina abietina (Pers.) Giachini | Gomphaceae | CT, ME, PA, TP | St |
| Phaeoclavulina flaccida (Fr.) Giachini | Gomphaceae | CT, ME | St |
| Phaeoclavulina myceliosa (Peck) Franchi & M. Marchetti | Gomphaceae | CT, ME, PA, TP | St |
| Phaeoclavulina quercus-ilicis (Schild) Giachini | Gomphaceae | CT, ME, PA, TP | St |
| Phaeolus schweinitzii (Fr.) Pat. | Laetiporaceae | CT, ME, PA, TP | Sw |
| Phaeophlebiopsis ravenelii (Cooke) Zmitr. | Phanerochaetaceae | CT, ME, PA | Sw |
| Phaeotremella foliacea (Pers.) Wedin, J.C. Zamora & Millanes | Tremellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Phallus hadriani Vent. | Phallaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Phallus impudicus L. | Phallaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Phanerochaete jose-ferreirae (D.A. Reid) D.A. Reid | Phanerochaetaceae | TP | Sw |
| Phanerochaete martelliana (Bres.) J. Erikss. & Ryvarden | Phanerochaetaceae | CT, ME, PA, TP | Sw |
| Phanerochaete sordida (P. Karst.) J. Erikss. & Ryvarden | Phanerochaetaceae | CT, ME, PA, TP | Sw |
| Phanerochaete velutina (DC.) P. Karst. | Phanerochaetaceae | CT, ME, PA, TP | Sw |
| Phellinopsis conchata (Pers.) Y.C. Dai | Hymenochaetaceae | CT, ME, PA, TP | Sw |
| Phellinus erectus A. David, Dequatre & Fiasson | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Phellinus igniarius (L.) Quél. | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Phellinus pomaceus (Pers.) Maire | Hymenochaetaceae | CT, ME, PA | Sw |
| Phellinus rhamni (Bondartseva) H. Jahn | Hymenochaetaceae | PA | Sw |
| Phellinus rimosus (Berk.) Pilát | Hymenochaetaceae | PA | Sw |
| Phellodon niger (Fr.) P. Karst. | Thelephoraceae | CT, ME, PA, TP | Em |
| Phlebia lilascens (Bourdot) J. Erikss. & Hjortstam | Meruliaceae | PA | Sw |
| Phlebia margaritae Duhem & H. Michel | Meruliaceae | TP | Sw |
| Phlebia rufa (Pers.) M.P. Christ. | Meruliaceae | PA | Sw |
| Phlebia segregata (Bourdot & Galzin) Parmasto | Meruliaceae | PA | Sw |
| Phlebia tremellosa (Schrad.) Nakasone & Burds. | Meruliaceae | TP | Sw |
| Phlebiopsis gigantea (Fr.) Jülich | Phanerochaetaceae | CT, ME, PA | Sw |
| Phlebiopsis ravenelii (Cooke) Hjortstam | Phanerochaetaceae | PA | Sw |
| Phlebiopsis roumeguerei (Bres.) Jülich & Stalpers | Phanerochaetaceae | PA | Sw |
| Phlegmacium amoenolens (Rob. Henry ex P.D. Orton) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Phlegmacium balteatocumatile (Rob. Henry ex P.D. Orton) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Phlegmacium moenne-loccozii (Bidaud) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Phlegmacium triumphans (Fr.) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Phlegmacium variiforme (Malençon) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Phloeomana alba (Bres.) Redhead | Porotheleaceae | PA | Sw |
| Phloeomana minutula (Sacc.) Redhead | Porotheleaceae | CT, ME | Sw |
| Pholiota aurivella (Batsch) P. Kumm. | Strophariaceae | CT, ME, PA | Sw |
| Pholiota carbonaria (Fr.) Singer | Strophariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sbg |
| Pholiota conissans (Fr.) M.M. Moser | Strophariaceae | CT, ME | Sw |
| Pholiota decussata (Fr.) M.M. Moser | Strophariaceae | CT, ME, TP | St |
| Pholiota gummosa (Lasch) Singer | Strophariaceae | PA, TP | St |
| Pholiota lenta (Pers.) Singer | Strophariaceae | PA | St |
| Pholiota lucifera (Lasch) Quél. | Strophariaceae | PA | Sw |
| Pholiota spumosa (Fr.) Singer | Strophariaceae | PA | St |
| Pholiota squarrosa (Vahl) P. Kumm. | Strophariaceae | CT, ME, PA | Sw |
| Pholiota tuberculosa (Schaeff.) P. Kumm. | Strophariaceae | CT, ME | Sw |
| Phylloporia ribis (Schumach.) Ryvarden | Hymenochaetaceae | PA, TP | Sw |
| Phylloporus pelletieri (Lév.) Quél. | Boletaceae | CT, ME | Em |
| Phylloscypha boltonii (Quél.) Van Vooren & Hairaud | Pezizaceae | CL, SR | St |
| Phylloscypha phyllogena (Cooke) Van Vooren | Pezizaceae | CT, ME, PA | St |
| Picipes badius (Persoon) Zmitr. & Kovalenko | Polyporaceae | CT, ME | Sw |
| Picipes melanopus (Pers.) Zmitr. & Kovalenko | Polyporaceae | CT, ME | Sw |
| Pilatotrama ljubarskyi (Pilát) Zmitrovich | Polyporaceae | SR | Sw |
| Pisolithus albus (Cooke & Massee) Priest | Sclerodermataceae | PA | Em |
| Pisolithus arhizus (Scop.) Rauschert | Sclerodermataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Pithya cupressina (Batsch) Fuckel | Sarcoscyphaceae | RG, SR | Sw |
| Plectania melastoma (Sowerby) Fuckel | Sarcosomataceae | CT, ME | Sw |
| Plectania rhytidia (Berk.) Nannf. & Korf | Sarcosomataceae | PA | Sw |
| Pleurotus cornucopiae (Paulet) Rolland | Pleurotaceae | CT, ME, PA | Sw |
| Pleurotus dryinus (Pers.) P. Kumm. | Pleurotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Pleurotus eryngii (DC.) Quél. var. eryngii | Pleurotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Pleurotus eryngii (DC.) Quél. var. elaeoselini Venturella, Zervakis & La Rocca | Pleurotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Pleurotus eryngii (DC.) Quél. var. ferulae (Lanzi) Sacc. | Pleurotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Pleurotus eryngii (DC.) Quél. var. thapsiae Venturella, Zervakis & Saitta | Pleurotaceae | PA | St |
| Pleurotus fuscosquamulosus D.A. Reid & Eicker | Pleurotaceae | PA | Sw |
| Pleurotus nebrodensis (Inzenga) Quél. | Pleurotaceae | PA | St |
| Pleurotus opuntiae (Durieu & Lév.) Sacc. | Pleurotaceae | CT, ME, PA | Scl |
| Pleurotus ostreatus (Jacq.) P. Kumm. | Pleurotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Plicaria carbonaria Fuckel | Pyronemataceae | PA | Sbg |
| Plicaria endocarpoides (Berk.) Rifai | Pyronemataceae | AG, PA | St |
| Pluteus atromarginatus (Konrad) Kühner | Pluteaceae | CT, ME, PA | Sw |
| Pluteus aurantiorugosus (Trog) Sacc. | Pluteaceae | CT, ME | Sw |
| Pluteus cervinus (Schaeff.) P. Kumm. | Pluteaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Pluteus chrysophaeus (Schaeff.) Quél. | Pluteaceae | CT, ME, PA | Sw |
| Pluteus cinereofuscus J.E. Lange | Pluteaceae | CT, ME, PA | Sw |
| Pluteus ephebeus (Fr.) Gillet | Pluteaceae | CT, ME, PA | Sw |
| Pluteus exiguus (Pat.) Sacc. | Pluteaceae | CT, ME | Sw |
| Pluteus hiatulus Romagn. | Pluteaceae | CT, ME, PA | Sw |
| Pluteus inquilinus Romagn. | Pluteaceae | CT, ME, PA | Sw |
| Pluteus minimus (Henn.) Sacc. & P. Syd. | Pluteaceae | CT, ME, PA | Sw |
| Pluteus nanus (Pers.) P. Kumm. | Pluteaceae | CT, ME, PA | Sw |
| Pluteus petasatus (Fr.) Gillet | Pluteaceae | PA, TP | Sw |
| Pluteus pusillulus Romagn. | Pluteaceae | CT, ME, PA | Sw |
| Pluteus romellii (Britzelm.) Sacc. | Pluteaceae | CT, ME, PA | Sw |
| Pluteus salicinus (Pers.) P. Kumm. | Pluteaceae | CT, ME | Sw |
| Pluteus satur Kühner & Romagn. | Pluteaceae | CT, ME | Sw |
| Pluteus semibulbosus (Lasch) Quél. | Pluteaceae | TP | Sw |
| Pluteus thomsonii (Berk. & Broome) Dennis | Pluteaceae | PA | Sw |
| Pluteus umbrosus (Pers.) P. Kumm. | Pluteaceae | PA | Sw |
| Podoscypha multizonata (Berk. & Broome) Pat. | Podoscyphaceae | CT, ME | Sw |
| Polyozellus griseopergamaceus (M.J. Larsen) Svantesson & Kõljalg | Thelephoraceae | CT, ME | St |
| Polyporus lipsiensis (Batsch) E.H.L. Krause | Polyporaceae | CT, ME, PA | Sw |
| Poronia punctata (L.) Fr. | Xylariaceae | PA | Sd |
| Porpoloma macrorhizum (Quél.) Bon | Pseudoclitocybaceae | TP | Em |
| Porostereum spadiceum (Pers.) Hjortstam & Ryvarden | Phanerochaetaceae | CT, ME, PA | Sw |
| Postia rennyi (Berk. & Broome) Rajchenb. | Dacryobolaceae | CT, ME | Sw |
| Postia tephroleuca (Fr.) Jülich | Dacryobolaceae | CT, ME | Sw |
| Praetumpfia obducens (Schumach.) Jaklitsch & Voglmayr | Melanommataceae | PA | Sw |
| Propolis farinosa (Pers.) Fr. | Marthamycetaceae | CT, ME, PA | Sw |
| Protostropharia semiglobata (Batsch) Redhead, Moncalvo & Vilgalys | Strophariaceae | CT, ME, PA | Sd |
| Psathyrella ammophila (Durieu & Lév.) P.D. Orton | Psathyrellaceae | CL, CT, PA, RG, SR | St |
| Psathyrella artemisiae (Pass.) Konrad & Maubl. | Psathyrellaceae | PA | St |
| Psathyrella bipellis (Quél.) A.H. Sm. | Psathyrellaceae | PA | St |
| Psathyrella candolleana (Fr.) Maire | Psathyrellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Psathyrella conopilea (Fr.) A. Pearson & Dennis | Psathyrellaceae | CT, ME, PA, TP | St |
| Psathyrella corrugis (Pers.) Konrad & Maubl. | Psathyrellaceae | CT, ME, PA | St |
| Psathyrella cotonea (Quél.) Konrad & Maubl. | Psathyrellaceae | CT, ME, PA | St |
| Psathyrella flexispora T.J. Wallace & P.D. Orton | Psathyrellaceae | CT, ME | St |
| Psathyrella lacrymabunda (Bull.) M.M. Moser ex A.H. Sm. | Psathyrellaceae | CT, ME, PA | St |
| Psathyrella multipedata (Peck) A.H. Sm. | Psathyrellaceae | CT, ME, PA | St |
| Psathyrella niveobadia (Romagn.) M.M. Moser | Psathyrellaceae | CT, ME | St |
| Psathyrella orbitarum (Romagn.) M.M. Moser | Psathyrellaceae | CT, ME | St |
| Psathyrella pennata (Fr.) A. Pearson & Dennis | Psathyrellaceae | CT, ME, PA | St |
| Psathyrella piluliformis (Bull.) P.D. Orton | Psathyrellaceae | CT, ME, PA | St |
| Psathyrella pseudocasca (Romagn.) Kits van Wav. | Psathyrellaceae | CT, ME | St |
| Psathyrella saponacea F.H. Møller | Psathyrellaceae | CT, ME, PA | St |
| Psathyrella spadiceogrisea (Schaeff.) Maire | Psathyrellaceae | CT, ME, PA | St |
| Psathyrella sphagnicola (Maire) J. Favre | Psathyrellaceae | CT, ME | St |
| Psathyrella tephrophylla (Romagn.) Bon | Psathyrellaceae | CT, ME, PA | St |
| Pseudoboletus parasiticus (Bull.) Šutara | Boletaceae | CT, ME | Em |
| Pseudoclitocybe cyathiformis (Bull.) Singer | Pseudoclitocybaceae | AG, PA | Sl |
| Pseudocraterellus undulatus (Pers.) Rauschert | Hydnaceae | CT, ME, PA | St |
| Pseudoinonotus dryadeus (Pers.) T. Wagner & M. Fisch. | Hymenochaetaceae | CT, ME, PA | Sw |
| Pseudopeziza medicaginis (Lib.) Sacc. | Drepanopezizaceae | CT, ME, PA | St |
| Pseudopeziza trifolii (Biv.) Fuckel | Drepanopezizaceae | CT, ME, PA | St |
| Pseudosperma arenicola (R. Heim) Matheny & Esteve-Rav. | Inocybaceae | PA, SR | Em |
| Pseudosperma flavellum (P. Karst.) Matheny & Esteve-Rav. | Inocybaceae | CT, ME, PA | Em |
| Pseudosperma rimosum (Bull.) Matheny & Esteve-Rav. | Inocybaceae | AG, PA, TP | Em |
| Pseudosperma squamatum (J.E. Lange) Matheny & Esteve-Rav. | Inocybaceae | CT, ME, PA, TP | Em |
| Pseudotomentella tristis (P. Karst.) M.J. Larsen | Thelephoraceae | CT, ME, PA, TP | Em |
| Psilocybe aurantiaca (Cooke) Noordel. | Hymenogastraceae | CT, ME, PA, TP | Sd |
| Psilocybe coronilla (Bull.) Noordel. | Hymenogastraceae | AG, PA, TP | Sd |
| Psilocybe cyanescens Wakef. | Hymenogastraceae | CT, ME, PA, TP | Sd |
| Psilocybe semilanceata (Fr.) P. Kumm. | Hymenogastraceae | CT, ME | Sd |
| Pterula multifida (Chevall.) Fr. | Pterulaceae | CT, ME | St |
| Pulcherricium coeruleum (Lam.) Parmasto | Phanerochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Pulchroboletus roseoalbidus (Alessio & Littini) Gelardi, Vizzini & Simonini | Boletaceae | CT, ME, PA | Em |
| Pulvinula archeri (Berk.) Rifai | Pulvinulaceae | CT, ME, PA | Sw |
| Pulvinula johannis Lantieri | Pulvinulaceae | CT, ME, PA | Sw |
| Pycnoporus cinnabarinus (Jacq.) P. Karst. | Polyporaceae | CT, ME, PA | Sw |
| Pyronema domesticum (Sowerby) Sacc. | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sbg |
| Radulomyces confluens (Fr.) M.P. Christ. | Radulomycetaceae | CT, ME, PA | Sw |
| Radulomyces molaris (Chaillet ex Fr.) M.P. Christ. | Radulomycetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ramaria aurea (Schaeff.) Quél. | Gomphaceae | CT, ME, PA | St |
| Ramaria botrytis (Pers.) Bourdot | Gomphaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Ramaria fennica (P. Karst.) Ricken | Gomphaceae | CT, ME | St |
| Ramaria flava (Schaeff.) Quél. | Gomphaceae | CT, ME, PA | St |
| Ramaria flavescens (Schaeff.) R.H. Petersen | Gomphaceae | CT, ME | St |
| Ramaria formosa (Pers.) Quél. | Gomphaceae | CT, ME, PA | St |
| Ramaria gracilis (Pers.) Quél. | Gomphaceae | CT, ME, PA | St |
| Ramaria pallida (Schaeff.) Ricken | Gomphaceae | CT, ME, PA | St |
| Ramaria pseudogracilis R.H. Petersen | Gomphaceae | CT, ME, PA | St |
| Ramaria stricta (Pers.) Quél. | Gomphaceae | AG, PA, TP | St |
| Ramaricium albo-ochraceum (Bres.) Jülich | Gomphaceae | CT, ME, PA | St |
| Ramariopsis kunzei (Fr.) Corner | Clavariaceae | CT, ME, PA | St |
| Ramariopsis pulchella (Boud.) Corner | Clavariaceae | CT, ME, PA | St |
| Ramariopsis subtilis (Pers.) R.H. Petersen | Clavariaceae | CT, ME, TP | St |
| Reddellomyces donkii (Malençon) Trappe, Castellano & Malajczuk | Tuberaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Resupinatus applicatus (Batsch) Gray | Pleurotaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Resupinatus poriaeformis (Pers.) Thorn, Moncalvo & Redhead | Pleurotaceae | PA | Sw |
| Rickenella fibula (Bull.) Raithelh. | Rhickenellaceae | CT, ME, PA | Sm |
| Rheubarbariboletus armeniacus (Quél.) Vizzini, Simonini & Gelardi | Boletaceae | CT, ME, PA | Em |
| Rheubarbariboletus persicolor (H. Engel, Klofac, H. Grünert & R. Grünert) Vizzini, Simonini & Gelardi | Boletaceae | CT, ME | Em |
| Rhizoctonia fusispora (J. Schröt.) Oberw., R. Bauer, Garnica & R. Kirschner | Ceratobasidiaceae | PA | Sw |
| Rhizomarasmius setosus (Sowerby) Antonín & A. Urb. | Physalacriaceae | CT, ME | Sle |
| Rhizopogon luteolus Fr. | Rhizopogonaceae | CT, ME, PA | Em |
| Rhizopogon obtextus (Spreng.) R. Rauschert | Rhizopogonaceae | CT, ME | Em |
| Rhizopogon roseolus (Corda) Th. Fr. | Rhizopogonaceae | AG, CT, ME, PA | Em |
| Rhodocollybia butyracea (Bull.) Lennox | Omphalotaceae | PA, TP | St |
| Rhodocollybia maculata (Alb. & Schwein.) Singer | Omphalotaceae | CT, ME, PA | St |
| Rhodocybe truncata (Schaeff.) Singer | Entolomataceae | CT, ME, PA | St |
| Rhodophana nitellina (Fr.) Papetti | Entolomataceae | CT, ME, PA | St |
| Rhodotus palmatus (Bull.) Maire | Physalacriaceae | CT, ME, PA | Sw |
| Rigidoporus ulmarius (Sowerby) Imazeki | Meripilaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Ripartites tricholoma (Alb. & Schwein.) P. Karst. | Incertae sedis | PA | St |
| Roridomyces roridus (Fr.) Rexer | Mycenaceae | CT, ME | Sw |
| Rosellinia aquila (Fr.) Ces. & De Not. | Xylariaceae | CT, ME, PA | Sw |
| Rosellinia mammiformis (Pers.) Ces. & De Not. | Xylariaceae | CT, ME, PA | Sw |
| Rubroboletus legaliae (Pilát & Dermek) Della Magg. & Trassin. | Boletaceae | CT, ME, PA | Em |
| Rubroboletus lupinus (Fr.) Costanzo, Gelardi, Simonini & Vizzini | Boletaceae | CT, ME, PA | Em |
| Rubroboletus rhodoxanthus (Krombh.) Kuan Zhao & Zhu L. Yang | Boletaceae | CT, ME, PA | Em |
| Rubroboletus rubrosanguineus (Cheype) Kuan Zhao & Zhu L. Yang | Boletaceae | CT, ME, PA | Em |
| Rubroboletus satanas (Lenz) Kuan Zhao & Zhu L. Yang | Boletaceae | CT, ME, PA | Em |
| Ruhlandiella peregrina Lantieri & Pfister | Pezizaceae | CT, ME, PA | Em |
| Russula acrifolia Romagn. | Russulaceae | CT, ME, PA, TP | Em |
| Russula adusta (Pers.) Fr. | Russulaceae | CT, ME, PA, TP | Em |
| Russula albonigra (Krombh.) Fr. | Russulaceae | CT, ME, PA | Em |
| Russula alnetorum Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula alutacea (Fr.) Fr. | Russulaceae | CT, ME | Em |
| Russula amarissima Romagn. & E.-J. Gilbert | Russulaceae | CT, ME, PA | Em |
| Russula amoena Quél. | Russulaceae | CT, ME | Em |
| Russula amoenicolor Romagn. | Russulaceae | PA, TP | Em |
| Russula amoenolens Romagn. | Russulaceae | CT, ME, TP | Em |
| Russula anatina Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula anthracina Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula atropurpurea (Krombh.) Britzelm. | Russulaceae | CT, ME, PA | Em |
| Russula atrorubens Quél. | Russulaceae | CT, ME, PA | Em |
| Russula aurea Pers. | Russulaceae | CT, ME, PA | Em |
| Russula aurora Krombh. | Russulaceae | CT, ME, PA | Em |
| Russula badia Quél. | Russulaceae | CT, ME, PA | Em |
| Russula caerulea Fr. | Russulaceae | CT, ME, PA | Em |
| Russula carminipes J. Blum | Russulaceae | CT, ME, PA | Em |
| Russula cavipes Britzelm. | Russulaceae | CT, ME, PA | Em |
| Russula cessans A. Pearson | Russulaceae | CT, ME, PA | Em |
| Russula chloroides (Krombh.) Bres. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula cicatricata Romagn. ex Bon | Russulaceae | CT, ME, PA | Em |
| Russula citrinochlora Singer | Russulaceae | CT, ME, PA | Em |
| Russula clariana R. Heim ex Kuyper & Vuure | Russulaceae | CT, ME | Em |
| Russula claroflava Grove | Russulaceae | CT, ME, PA | Em |
| Russula cuprea Krombh. | Russulaceae | CT, ME, PA | Em |
| Russula curtipes F.H. Møller & Jul. Schäff. | Russulaceae | CT, ME, PA | Em |
| Russula cyanoxantha (Schaeff.) Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula decipiens (Singer) Kühner & Romagn. | Russulaceae | PA, TP | Em |
| Russula decolorans (Fr.) Fr. | Russulaceae | CT, ME, PA | Em |
| Russula delica Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula densifolia Secr. ex Gillet | Russulaceae | PA, TP | Em |
| Russula elegans Bres. | Russulaceae | CT, ME, PA | Em |
| Russula emetica (Schaeff.) Pers. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula emeticicolor Jul. Schäff. | Russulaceae | CT, ME | Em |
| Russula faginea Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula farinipes Romell | Russulaceae | CT, ME, TP | Em |
| Russula foetens Pers. | Russulaceae | CT, ME, PA, TP | Em |
| Russula font-queri Singer | Russulaceae | CT, ME, PA, TP | Em |
| Russula fragrans Romagn. | Russulaceae | CT, ME, PA, TP | Em |
| Russula fragilis Fr. | Russulaceae | CT, ME, PA, TP | Em |
| Russula fragrantissima Romagn. | Russulaceae | CT, ME, PA, TP | Em |
| Russula galochroides Sarnari | Russulaceae | CT, ME, PA, TP | Em |
| Russula gracilis Burl. | Russulaceae | CT, ME, PA, TP | Em |
| Russula grata Britzelm. | Russulaceae | CT, ME, PA, TP | Em |
| Russula graveolens Romell | Russulaceae | CT, ME, PA, TP | Em |
| Russula grisea Fr. | Russulaceae | CT, ME, PA, TP | Em |
| Russula helios Malençon ex Sarnari | Russulaceae | CT, ME | Em |
| Russula heterophylla (Fr.) Fr. | Russulaceae | CT, ME, PA, TP | Em |
| Russula ilicis Romagn., Chevassut & Privat | Russulaceae | CT, ME, PA | Em |
| Russula illota Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula insignis Quél. | Russulaceae | CT, ME, PA | Em |
| Russula integra (L.) Fr. | Russulaceae | CT, ME, PA | Em |
| Russula intermedia P. Karst. | Russulaceae | CT, ME, PA | Em |
| Russula laeta Jul. Schäff. | Russulaceae | CT, ME, PA | Em |
| Russula langei Bon | Russulaceae | CT, ME | Em |
| Russula luteotacta Rea | Russulaceae | CT, ME, PA | Em |
| Russula maculata Quél. | Russulaceae | CT, ME, PA, TP | Em |
| Russula medullata Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula melliolens Quél. | Russulaceae | CT, ME, PA | Em |
| Russula minutula Velen. | Russulaceae | CT, ME | Em |
| Russula mollis Quél. | Russulaceae | CT, ME, PA | Em |
| Russula monspeliensis Sarnari | Russulaceae | CT, ME, TP | Em |
| Russula mustelina Fr. | Russulaceae | CT, ME, PA | Em |
| Russula nitida (Pers.) Fr. | Russulaceae | CT, ME, PA | Em |
| Russula nobilis Velen. | Russulaceae | CT, ME, PA | Em |
| Russula nuragica Sarnari | Russulaceae | CT, ME | Em |
| Russula ochroleuca Fr. | Russulaceae | CT, ME, PA | Em |
| Russula odorata Romagn. | Russulaceae | CT, ME, TP | Em |
| Russula olivacea (Schaeff.) Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula olivaceoviolascens Gillet | Russulaceae | CT, ME, PA | Em |
| Russula pallidospora J. Blum ex Romagn. | Russulaceae | CT, ME | Em |
| Russula paludosa Britzelm. | Russulaceae | CT, ME, PA | Em |
| Russula parazurea Jul. Schäff. | Russulaceae | CT, ME, PA | Em |
| Russula pectinata Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula pectinatoides Peck | Russulaceae | PA, TP | Em |
| Russula persicina Krombh. | Russulaceae | PA, TP | Em |
| Russula praetervisa Sarnari | Russulaceae | CT, ME | Em |
| Russula prinophila Sarnari | Russulaceae | CT, TP | Em |
| Russula puellaris Fr. | Russulaceae | PA, TP | Em |
| Russula purpurascens Bres. | Russulaceae | PA, TP | Em |
| Russula queletii Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula rhodomelanea Sarnari | Russulaceae | CT, ME | Em |
| Russula raoultii Quél. | Russulaceae | CT, ME, PA | Em |
| Russula ravida Fr. | Russulaceae | CT, ME, PA | Em |
| Russula risigallina (Batsch) Sacc. | Russulaceae | CT, ME, PA | Em |
| Russula rosea Pers. | Russulaceae | CT, ME, PA, TP | Em |
| Russula roseipes Secr. ex Bres. | Russulaceae | CT, ME | Em |
| Russula rubroalba (Singer) Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula rubrocarminea Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula sanguinaria (Schumach.) Rauschert | Russulaceae | CT, ME, PA | Em |
| Russula sanguinea Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula sardonia Fr. | Russulaceae | CT, ME, PA, TP | Em |
| Russula seperina Dupain | Russulaceae | CT, ME, PA | Em |
| Russula sericatula Romagn. | Russulaceae | CT, ME, PA | Em |
| Russula silvestris (Singer) Reumaux | Russulaceae | CT, ME, PA | Em |
| Russula sororia (Fr.) Romell | Russulaceae | CT, ME, PA | Em |
| Russula sphagnophila Kauffman | Russulaceae | CT, ME, PA | Em |
| Russula straminea Malençon | Russulaceae | CT, ME | Em |
| Russula subterfurcata Romagn. | Russulaceae | CT, ME, PA, TP | Em |
| Russula tyrrhenica Sarnari | Russulaceae | CT, ME | Em |
| Russula torulosa Bres. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula turci Bres. | Russulaceae | CT, ME | Em |
| Russula unicolor Romagn. | Russulaceae | CT, ME, PA, TP | Em |
| Russula velenovskyi Melzer & Zvára | Russulaceae | CT, ME, PA, TP | Em |
| Russula versicolor Jul. Schäff. | Russulaceae | CT, ME | Em |
| Russula vesca Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula veternosa Fr. | Russulaceae | CT, ME, PA | Em |
| Russula vinosa Lindblad | Russulaceae | CT, ME, PA | Em |
| Russula vinosopurpurea Jul. Schäff. | Russulaceae | CT, ME, PA | Em |
| Russula violacea Quél. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula violeipes Quél. | Russulaceae | CT, ME, PA, TP | Em |
| Russula virescens (Schaeff.) Fr. | Russulaceae | PA, TP | Em |
| Russula werneri Maire | Russulaceae | CT, ME, TP | Em |
| Russula xerampelina (Schaeff.) Fr. | Russulaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Russula zvarae Velen. | Russulaceae | CT, ME | Em |
| Saccobolus glaber (Pers.) Lambotte | Ascobolaceae | PA | Sd |
| Saccothecium sepincola (Fr.) Fr. | Saccotheciaceae | PA | Sw |
| Saproamanita vittadinii (Moretti) Redhead, Vizzini, Drehmel & Contu | Amanitaceae | CT, ME, PA | Em |
| Sarcodon amarescens (Quél.) Quél. | Bankeraceae | CT, ME, PA | St |
| Sarcodon cyrneus Maas Geest. | Bankeraceae | CT, ME, PA | St |
| Sarcodon imbricatus (L.) P. Karst. | Bankeraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Sarcodon laevigatus (Sw.) P. Karst. | Bankeraceae | CT, ME | St |
| Sarcodon leucopus (Pers.) Maas Geest. & Nannf. | Bankeraceae | CT, ME, PA | St |
| Sarcodontia crocea (Schwein.) Kotl. | Meruliaceae | CT, ME, PA | Sw |
| Sarcodontia spumea (Sowerby) Spirin | Meruliaceae | CT, ME, PA | Sw |
| Sarcoscypha austriaca (Beck ex Sacc.) Boud. | Sarcoscyphaceae | CT, ME | Sw |
| Sarcoscypha coccinea (Gray) Boud. | Sarcoscyphaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Sarcoscypha macaronesica Baral & Korf | Sarcoscyphaceae | CT, ME | Sw |
| Sarcosphaera coronaria (Jacq.) J. Schröt. | Pezizaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Schenella pityophila (Malençon & Riousset) Estrada & Lado | Geastraceae | PA | St |
| Schenella simplex T. Macbr. | Geastraceae | EN | St |
| Schizophyllum commune Fr. | Schizophyllaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Schizopora paradoxa (Schrad.) Donk | Schizoporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Scleroderma areolatum Ehrenb. | Sclerodermataceae | PA, TP | Em |
| Scleroderma bovista Fr. | Sclerodermataceae | CT, ME, PA | Em |
| Scleroderma cepa Pers. | Sclerodermataceae | PA, TP | Em |
| Scleroderma citrinum Pers. | Sclerodermataceae | PA, TP | Em |
| Scleroderma flavidum Ellis & Everh. | Sclerodermataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Scleroderma meridionale Demoulin & Malençon | Sclerodermataceae | CT, ME, PA | Em |
| Scleroderma polyrhizum (J.F. Gmel.) Pers. | Sclerodermataceae | CT, ME, PA | Em |
| Scleroderma verrucosum (Bull.) Pers. | Sclerodermataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Sclerogaster compactus (Tul. & C. Tul.) Sacc. | Sclerogastraceae | CT, ME, PA | UNK |
| Scopuloides rimosa (Cooke) Jülich | Meruliaceae | CT, ME, PA | Sw |
| Scutellinia hyperborea T. Schumach. | Pyronemataceae | CT, ME, PA | Sw |
| Scutellinia legaliae Lohmeyer & Häffner | Pyronemataceae | CT, ME, PA | Sw |
| Scutellinia minor (Velen.) Svrček | Pyronemataceae | CT, ME, PA | Sw |
| Scutellinia scutellata (L.) Lambotte | Pyronemataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Scutellinia trechispora (Berk. & Broome) Lambotte | Pyronemataceae | CT, ME, PA | Sw |
| Scutiger pes-caprae (Pers.) Bondartsev & Singer | Albatrellaceae | CT, ME | Sw |
| Scytinostroma hemidichophyticum Pouzar | Peniophoraceae | PA | Sw |
| Scytinostroma portentosum (Berk. & M.A. Curtis) Donk | Peniophoraceae | PA | Sw |
| Sebacina dimitica Oberw. | Sebacinaceae | PA | Em |
| Sebacina epigaea (Berk. & Broome) Bourdot & Galzin | Sebacinaceae | PA | Em |
| Septobasidium rameale (Berk.) Bres. | Septobasidiaceae | CT, ME | Sw |
| Sepultariella patavina (Cooke & Sacc.) Van Vooren, U. Lindem. & Healy | Pyronemataceae | CT, ME, PA, SR | Sbg |
| Serpula lacrymans (Wulfen) J. Schröt. | Serpulaceae | CT, ME, PA | Sw |
| Setchelliogaster tenuipes (Setch.) Pouzar | Bolbitiaceae | CL, CT, ME, PA, SR, TP | Em |
| Sidera lenis (P. Karst.) Miettinen | Incertae sedis | PA | Sw |
| Simocybe sumptuosa (P.D. Orton) Singer | Crepidotaceae | PA | Sw |
| Sistotrema brinkmannii (Bres.) J. Erikss. | Hydnaceae | CT, ME, PA | Sw |
| Sistotrema confluens Pers. | Hydnaceae | AG, PA | Sw |
| Sistotrema muscicola (Pers.) S. Lundell | Hydnaceae | CL | Sw |
| Sistotrema oblongisporum M.P. Christ. & Hauerslev | Hydnaceae | CL | Sw |
| Skeletocutis nivea (Jungh.) Jean Keller | Incrustoporiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Skeletocutis percandida (Malençon & Bertault) Jean Keller | Incrustoporiaceae | PA | Sw |
| Skeletocutis subincarnata (Peck) Jean Keller | Incrustoporiaceae | PA | Sw |
| Skvortzovia georgica (Parmasto) G. Gruhn & Hallenb. | Incertae sedis | PA | Sw |
| Smardaea planchonis (Dunal ex Boud.) Korf & W.Y. Zhuang | Pyronemataceae | RG, SR | Sm |
| Sordaria fimicola (Roberge ex Desm.) Ces. & De Not. | Sordariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Sordaria humana (Fuckel) G. Winter | Sordariaceae | PA | Sd |
| Sparassis crispa (Wulfen) Fr. | Sparassidaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Spathularia flavida Pers. | Cudoniaceae | PA | St |
| Sphaerobolus stellatus Tode | Geastraceae | PA | Sw |
| Spinellus fusiger (Link) Tiegh. | Phycomycetaceae | CT, ME | Pm |
| Steccherinum fimbriatum (Pers.) J. Erikss. | Steccherinaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Steccherinum ochraceum (Pers.) Gray | Steccherinaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Steccherinum oreophilum Lindsey & Gilb. | Steccherinaceae | PA, TP | Sw |
| Steccherinum straminellum (Bres.) Melo | Steccherinaceae | PA, TP | Sw |
| Stereum gausapatum (Fr.) Fr. | Stereaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Stereum hirsutum (Willd.) Pers. | Stereaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Stereum insignitum Quél. | Stereaceae | PA | Sw |
| Stereum ochraceoflavum (Schwein.) Sacc. | Stereaceae | CL | Sw |
| Stereum rugosum Pers. | Stereaceae | ME, PA | Sw |
| Stereum sanguinolentum (Alb. & Schwein.) Fr. | Stereaceae | CT, ME, PA | Sw |
| Stereum subtomentosum Pouzar | Stereaceae | CT, ME, PA | Sw |
| Strobilomyces strobilaceus (Scop.) Berk. | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Strobilurus stephanocystis (Kühner & Romagn. ex Hora) Singer | Physalacriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Strobilurus tenacellus (Pers.) Singer | Physalacriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Stropharia aeruginosa (Curtis) Quél. | Strophariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sd |
| Stropharia caerulea Kreisel | Strophariaceae | CT, ME, PA | Sd |
| Subulicystidium longisporum (Pat.) Parmasto | Hydnodontaceae | PA | Sw |
| Subulicystidium perlongisporum Boidin & Gilles | Hydnodontaceae | PA | Sw |
| Suillellus adalgisae (Marsico & Musumeci) N. Schwab | Boletaceae | CT, ME, PA, TP | Em |
| Suillellus caucasicus (Singer ex Alessio) Blanco-Dios | Boletaceae | CT, ME, PA, TP | Em |
| Suillellus comptus (Simonini) Vizzini, Simonini & Gelardi | Boletaceae | CT, ME, PA, TP | Em |
| Suillellus luridus (Schaeff.) Murrill | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillellus mendax (Simonini & Vizzini) Vizzini, Simonini & Gelardi | Boletaceae | CT, ME | Em |
| Suillellus permagnificus (Pöder) Blanco-Dios | Boletaceae | CT, ME, PA | Em |
| Suillellus queletii (Schulzer) Vizzini, Simonini & Gelardi | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillus alkaliaurantians Pantidou & Watling | Suillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillus bellinii (Inzenga) Kuntze | Suillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillus bovinus (L.) Roussel | Suillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillus collinitus (Fr.) Kuntze | Suillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillus granulatus (L.) Roussel | Suillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillus lakei (Murrill) A.H. Sm. & Thiers | Suillaceae | CT, ME, PA | Em |
| Suillus luteus (L.) Roussel | Suillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillus mediterraneensis (Jacquet. & J. Blum) Redeuilh | Suillaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Suillus placidus (Bonord.) Singer | Suillaceae | CT, ME, PA | Em |
| Szczepkamyces campestris (Quél.) Zmitr. | Polyporaceae | AG, PA | Sw |
| Syzygospora tumefaciens (Ginns & Sunhede) Ginns | Filobasidiaceae | CT, ME, PA | Pm |
| Tapinella atrotomentosa (Batsch) Šutara | Tapinellaceae | CT, ME, PA | Sw |
| Tapinella panuoides (Fr.) E.-J. Gilbert | Tapinellaceae | AG, CT, PA, RG, TP | Sw |
| Tarzetta catinus (Holmsk.) Korf & J.K. Rogers | Tarzettaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Tarzetta cupularis (L.) Lambotte | Tarzettaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | St |
| Tephrocybe ambusta (Fr.) Donk | Lyophyllaceae | CT, ME, PA | Sbg |
| Tephrocybe anthracophila (Lasch) P.D. Orton | Lyophyllaceae | CT, ME, PA | Sbg |
| Tephrocybe atrata (Fr.) Donk | Lyophyllaceae | CT, ME, PA, TP | Sbg |
| Tephrocybe confusa (P.D. Orton) P.D. Orton | Lyophyllaceae | CT, ME | Sbg |
| Tephrocybe putida (P. Karst.) M.M. Moser | Lyophyllaceae | CT, ME | Sbg |
| Tephrocybe rancida (Fr.) Donk | Lyophyllaceae | CT, ME, PA | Sbg |
| Terana coerulea (Lam.) Kuntze | Phanerochaetaceae | CT, ME, PA | Sw |
| Terfezia arenaria (Moris) Trappe | Pezizaceae | PA | Em |
| Terfezia boudieri Chatin | Pezizaceae | PA | Em |
| Thaxterogaster purpurascens (Fr.) Niskanen & Liimat. | Cortinariaceae | CT, ME | Em |
| Thelephora anthocephala (Bull.) Fr. | Thelephoraceae | CT, ME | Sl |
| Thelephora caryophyllea (Schaeff.) Pers. | Thelephoraceae | CT, ME, PA | Sl |
| Thelephora palmata (Scop.) Fr. | Thelephoraceae | CT, ME, PA | Sl |
| Thelephora terrestris Ehrh. | Thelephoraceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Thelephora wakefieldiae Zmitr., Shchepin, Volobuev & Myasnikov | Thelephoraceae | PA | Sl |
| Tomentella badia (Link) Stalpers | Thelephoraceae | PA, TP | Em |
| Tomentella bryophila (Pers.) M.J. Larsen | Thelephoraceae | PA, TP | Em |
| Tomentella clavigera Litsch. | Thelephoraceae | PA, TP | Em |
| Tomentella coerulea Höhn. & Litsch. | Thelephoraceae | PA, TP | Em |
| Tomentella fuscocinerea (Pers.) Donk | Thelephoraceae | PA, TP | Em |
| Tomentella italica (Sacc.) M.J. Larsen | Thelephoraceae | CT, ME | Em |
| Tomentella lapida (Pers.) Stalpers | Thelephoraceae | CT, ME | Em |
| Tomentella lateritia Pat. | Thelephoraceae | PA | Em |
| Tomentella lilacinogrisea Wakef. | Thelephoraceae | CT, ME | Em |
| Tomentella oligofibula M.J. Larsen, Beltrán-Tej. & Rodr.-Armas | Thelephoraceae | CT, ME | Em |
| Tomentella pilosa (Burt) Bourdot & Galzin | Thelephoraceae | CT, ME, PA | Em |
| Tomentella punicea (Alb. & Schwein.) J. Schröt. | Thelephoraceae | CT, ME, PA | Em |
| Tomentella subtestacea Bourdot & Galzin | Thelephoraceae | CT, ME, PA | Em |
| Tomentella stuposa (Link) Stalpers | Thelephoraceae | CT, ME, PA | Em |
| Tomentella subcinerascens Litsch. | Thelephoraceae | CT, ME | Em |
| Tomentella subclavigera Litsch. | Thelephoraceae | PA | Em |
| Tomentella terrestris (Berk. & Broome) M.J. Larsen | Thelephoraceae | PA | Em |
| Trametes gibbosa (Pers.) Fr. | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Trametes hirsuta (Wulfen) Lloyd | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Trametes ochracea (Pers.) Gilb. & Ryvarden | Polyporaceae | PA | Sw |
| Trametes pubescens (Schumach.) Pilát | Polyporaceae | CT, ME, PA | Sw |
| Trametes suaveolens (L.) Fr. | Polyporaceae | CT, ME, PA | Sw |
| Trametes trogii Berk. | Polyporaceae | CT, ME, PA, TP | Sw |
| Trametes versicolor (L.) Lloyd | Polyporaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Trechispora cohaerens (Schwein.) Jülich & Stalpers | Hydnodontaceae | PA | Sw |
| Trechispora farinacea (Pers.) Liberta | Hydnodontaceae | PA | Sw |
| Trechispora fastidiosa (Pers.) Liberta | Hydnodontaceae | PA | Sw |
| Trechispora microspora (P. Karst.) Liberta | Hydnodontaceae | TP | Sw |
| Trechispora nivea (Pers.) K.H. Larss. | Hydnodontaceae | PA | Sw |
| Trechispora stellulata (Bourdot & Galzin) Liberta | Hydnodontaceae | PA, TP | Sw |
| Trechispora stevensonii (Berk. & Broome) K.H. Larss. | Hydnodontaceae | PA | Sw |
| Tremella mesenterica Retz. | Tremellaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Tremellodendropsis tuberosa (Grev.) D.A. Crawford | Tremellodendropsidaceae | CT, ME | St |
| Trichaptum abietinum (Pers. ex J.F. Gmel.) Ryvarden | Incertae sedis | CT, ME, PA | Sw |
| Trichaptum biforme (Fr.) Ryvarden | Incertae sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Trichaptum fuscoviolaceum (Ehrenb.) Ryvarden | Incertae sedis | PA, TP | Sw |
| Tricharina gilva (Boud. ex Cooke) Eckblad | Pyronemataceae | PA | St |
| Tricharina praecox (P. Karst.) Dennis | Pyronemataceae | CT, ME | St |
| Trichoglossum hirsutum (Pers.) Boud. | Geoglossaceae | CT, ME, PA | Sl |
| Trichoglossum tetrasporum Sinden & Fitzp. | Geoglossaceae | ME, PA | Sl |
| Tricholoma acerbum (Bull.) Quél. | Tricholomataceae | ME, PA | Em |
| Tricholoma albatum Velen. | Tricholomataceae | ME, PA | Em |
| Tricholoma albobrunneum (Pers.) P. Kumm. | Tricholomataceae | ME, PA | Em |
| Tricholoma album (Schaeff.) P. Kumm. | Tricholomataceae | ME, PA | Em |
| Tricholoma apium Jul. Schäff. | Tricholomataceae | ME, PA | Em |
| Tricholoma argyraceum (Bull.) Gillet | Tricholomataceae | ME, PA | Em |
| Tricholoma atrosquamosum Sacc. | Tricholomataceae | CT, ME, PA, TP | Em |
| Tricholoma aurantium (Schaeff.) Ricken | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma basirubens (Bon) A. Riva & Bon | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma batschii Gulden ex Mort. Chr. & Noordel. | Tricholomataceae | PA, TP | Em |
| Tricholoma bresadolanum Clémençon | Tricholomataceae | ME, PA | Em |
| Tricholoma bufonium (Pers.) Gillet | Tricholomataceae | CT, ME | Em |
| Tricholoma caligatum (Viv.) Ricken | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma cedretorum (Bon) A. Riva | Tricholomataceae | AG, PA | Em |
| Tricholoma chrysophyllum A. Riva, C.E. Hermos. & Jul. Sánchez | Tricholomataceae | CT, ME | Em |
| Tricholoma columbetta (Fr.) P. Kumm. | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma equestre (L.) P. Kumm. | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tricholoma evenosum (Sacc.) Rea | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma focale (Fr.) Ricken | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma fracticum (Britzelm.) Kreisel | Tricholomataceae | AG, PA | Em |
| Tricholoma fulvum (DC.) Bigeard & H. Guill. | Tricholomataceae | CT, ME | Em |
| Tricholoma gausapatum (Fr.) Quél. | Tricholomataceae | PA, TP | Em |
| Tricholoma imbricatum (Fr.) P. Kumm. | Tricholomataceae | PA, TP | Em |
| Tricholoma lascivum (Fr.) Gillet | Tricholomataceae | PA, TP | Em |
| Tricholoma leucoterreum Mariotto & Turetta | Tricholomataceae | CT, ME | Em |
| Tricholoma orirubens Quél. | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tricholoma pardinum (Pers.) Quél. | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma pessundatum (Fr.) Quél. | Tricholomataceae | AG, PA | Em |
| Tricholoma populinum J.E. Lange | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tricholoma portentosum (Fr.) Quél. | Tricholomataceae | ME, PA | Em |
| Tricholoma psammopus (Kalchbr.) Quél. | Tricholomataceae | AG, PA | Em |
| Tricholoma pseudonictitans Bon | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma quercetorum Contu | Tricholomataceae | CT, ME | Em |
| Tricholoma roseoacerbum A. Riva | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma saponaceum (Fr.) P. Kumm. | Tricholomataceae | AG, CT, ME, PA, TP | Em |
| Tricholoma scalpturatum (Fr.) Quél. | Tricholomataceae | PA, TP | Em |
| Tricholoma sciodes (Pers.) C. Martín | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma sejunctum (Sowerby) Quél. | Tricholomataceae | AG, ME, PA | Em |
| Tricholoma stans (Fr.) Sacc. | Tricholomataceae | CT, ME, TP | Em |
| Tricholoma stiparophyllum (N. Lund) P. Karst. | Tricholomataceae | CT, ME, PA | Em |
| Tricholoma striatum (Schaeff.) Quél. | Tricholomataceae | CT, ME, PA, TP | Em |
| Tricholoma sulphurescens Bres. | Tricholomataceae | CT, ME | Em |
| Tricholoma sulphureum (Bull.) P. Kumm. | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tricholoma terreum (Schaeff.) P. Kumm. | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tricholoma terreum (Schaeff.) P. Kumm. var. album Antonín & A. Vágner | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tricholoma ustale (Fr.) P. Kumm. | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tricholoma ustaloides Romagn. | Tricholomataceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tricholoma virgatum (Fr.) P. Kumm. | Tricholomataceae | CT, ME, PA | Em |
| Tricholomella constricta (Fr.) Zerova ex Kalamees | Lyophyllaceae | CT, ME, PA | Sw |
| Tricholomopsis rutilans (Schaeff.) Singer | Incertae sedis | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Tricholosporum goniospermum (Bres.) Guzmán ex T.J. Baroni | Incertae sedis | CT, ME | Sl |
| Trichophaea woolhopeia (Cooke & W. Phillips) Boud. | Pyronemataceae | PA, TP | St |
| Truncospora ochroleuca (Berk.) Pilát | Polyporaceae | PA, TP | Sw |
| Tubaria conspersa (Pers.) Fayod | Tubariaceae | CT, ME, PA, TP | St |
| Tubaria dispersa (Pers.) Singer | Tubariaceae | CT, PA | St |
| Tubaria furfuracea (Pers.) Gillet | Tubariaceae | CL, CT, ME, PA, TP | St |
| Tuber aestivum Vittad. | Tuberaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tuber bellonae Quél. | Tuberaceae | CT, ME | Em |
| Tuber borchii Vitt. | Tuberaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tuber brumale Vittad. | Tuberaceae | ME, PA, SR | Em |
| Tuber dryophilum Tul. & C. Tul. | Tuberaceae | CT, ME | Em |
| Tuber excavatum Vittad. | Tuberaceae | ME, PA, SR, TP | Em |
| Tuber foetidum Vittad. | Tuberaceae | AG, PA, SR | Em |
| Tuber gennadii (Chatin) Pat. | Tuberaceae | CT, ME | Em |
| Tuber magnatum Picco | Tuberaceae | EN | Em |
| Tuber mesentericum Vittad. | Tuberaceae | ME, PA, SR | Em |
| Tuber nitidum Vittad. | Tuberaceae | PA, TP, SR | Em |
| Tuber oligospermum (Tul. & C. Tul.) Trappe | Tuberaceae | CT, PA | Em |
| Tuber panniferum Tul. & C. Tul. | Tuberaceae | ME, PA, TP, SR | Em |
| Tuber puberulum Berk. & Broome | Tuberaceae | AG, ME, PA, SR, TP | Em |
| Tuber rufum Pollini | Tuberaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Tubulicium vermiferum (Bourdot) Oberw. ex Jülich | Hydnodontaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Tubulicrinis calothrix (Pat.) Donk | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Tubulicrinis medius (Bourdot & Galzin) Oberw. | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Tubulicrinis subulatus (Bourdot & Galzin) Donk | Hymenochaetaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Tulostoma brumale Pers. | Agaricaceae | CL, CT, PA | Sm |
| Tulostoma fimbriatum Fr. | Agaricaceae | CT, ME, PA | Sm |
| Tulostoma kotlabae Pouzar | Agaricaceae | CT, ME | Sm |
| Tulostoma melanocyclum Bres. | Agaricaceae | CT, ME, PA | Sm |
| Tulostoma squamosum (J.F. Gmel.) Pers. | Agaricaceae | CT, ME, PA | Sm |
| Tylopilus felleus (Bull.) P. Karst. | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Typhula contorta (Holmsk.) Olariaga | Typhulaceae | CT, ME, PA | Sw |
| Typhula fistulosa (Holmsk.) Olariaga | Typhulaceae | CT, ME, PA | Sw |
| Typhula juncea (Alb. & Schwein.) P. Karst. | Typhulaceae | CT, ME, PA | Sw |
| Vanderbylia fraxinea (Bull.) D.A. Reid | Polyporaceae | CT, ME, PA | Sw |
| Vararia ochroleuca (Bourdot & Galzin) Donk | Peniophoraceae | CT, ME, PA | Sw |
| Verpa conica (O.F. Müll.) Sw. | Morchellaceae | CT, ME, PA | St |
| Verpa digitaliformis Pers. | Morchellaceae | CT, ME, PA | St |
| Vitreoporus dichrous (Fr.) Zmitr. | Irpicaceae | AG, PA | Sw |
| Volvariella bombycina (Schaeff.) Singer | Pluteaceae | CT, ME, PA | Sw |
| Volvariella caesiotincta P.D. Orton | Pluteaceae | CT, ME, PA | Sw |
| Volvariella cookei Contu | Pluteaceae | CT, ME, PA | Sw |
| Volvariella hypopithys (Fr.) Shaffer | Pluteaceae | CT, ME | Sw |
| Volvariella media (Schumach.) Singer | Pluteaceae | CT, ME, PA, TP | Sw |
| Volvariella surrecta (Knapp) Singer | Pluteaceae | CT, ME | Sw |
| Volvariella volvacea (Bull.) Singer | Pluteaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Volvopluteus gloiocephalus (DC.) Vizzini, Contu & Justo | Pluteaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sl |
| Vuilleminia comedens (Nees) Maire | Vuilleminiaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Vuilleminia coryli Boidin, Lanq. & Gilles | Vuilleminiaceae | ME, PA | Sw |
| Vuilleminia cystidiata Parmasto | Vuilleminiaceae | CT, ME, PA, TP | Sw |
| Vuilleminia megalospora Bres. | Vuilleminiaceae | CT, ME, PA, TP | Sw |
| Vuilleminia pseudocystidiata Boidin, Lanq. & Gilles | Vuilleminiaceae | CT, ME, PA, TP | Sw |
| Xanthoporia radiata (Sowerby) Ţura, Zmitr., Wasser, Raats & Nevo | Hymenochaetaceae | CT, ME, PA | Sw |
| Xenasma pruinosum (Pat.) Donk | Xenasmataceae | AG, CT, ME, PA, TP | Sw |
| Xenasmatella vaga (Fr.) Stalpers | Xenasmataceae | CT, ME, PA | Sw |
| Xerocomellus chrysenteron (Bull.) Šutara | Boletaceae | AG, CL, EN, CT, ME, PA, RG, SR, TP | Em |
| Xerocomellus cisalpinus (Simonini, H. Ladurner & Peintner) Klofac | Boletaceae | AG, CL, EN, CT, ME, PA, RG, SR, TP | Em |
| Xerocomellus communis Xue T. Zhu & Zhu L. Yang | Boletaceae | CT, ME | Em |
| Xerocomellus dryophilus (Thiers) N. Siegel, C.F. Schwarz & J.L. Frank | Boletaceae | CT, ME, PA, TP | Em |
| Xerocomellus porosporus (Imler ex Watling) Šutara | Boletaceae | CT, ME, PA, TP | Em |
| Xerocomellus pruinatus (Fr. & Hök) Šutara | Boletaceae | CT, ME, PA | Em |
| Xerocomellus truncatus (Singer, Snell & E.A. Dick) Klofac | Boletaceae | AG, CL, EN, CT, ME, PA, RG, SR, TP | Em |
| Xerocomus ferrugineus (Schaeff.) Alessio | Boletaceae | AG, CT, ME, PA | Em |
| Xerocomus rubellus Quél. | Boletaceae | CT, ME, PA | Em |
| Xerocomus subtomentosus (L.) Quél. | Boletaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Em |
| Xeromphalina campanella (Batsch) Kühner & Maire | Mycenaceae | CT, ME, PA | Sw |
| Xerula pudens (Pers.) Singer | Physalacriaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Xylaria hypoxylon (L.) Grev. | Xylariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Xylaria longipes Nitschke | Xylariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Xylaria polymorpha (Pers.) Grev. | Xylariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Xylaria sicula Pass. & Beltrani | Xylariaceae | AG, CL, CT, EN, ME, PA, RG, SR, TP | Sw |
| Xylodon detriticus (Bourdot) K.H. Larss., Viner & Spirin | Schizoporaceae | CT, ME, PA | Sw |
| Xylodon nesporii (Bres.) Hjortstam & Ryvarden | Schizoporaceae | CT, ME, PA | Sw |
| Xylodon rimosissimus (Peck) Hjortstam & Ryvarden | Schizoporaceae | CT, ME, PA | Sw |
| Xylodon sambuci (Pers.) Ţura, Zmitr., Wasser & Spirin | Schizoporaceae | CT, ME, PA | Sw |
| Zhuliangomyces illinitus (Fr.) Redhead | Amanitaceae | CT, ME, PA | Sl |
| Zhuliangomyces lenticularis (Lasch) Redhead | Amanitaceae | CT, ME, PA | Sl |
| Zhuliangomyces ochraceoluteus (P.D. Orton) Redhead | Amanitaceae | CT, ME, PA | Sl |