Species (4.492)
- Nemania carbonacea Pouzar 1985
- Nemania caries (Schwein.) Y.M. Ju & J.D. Rogers 2002
- Neocucurbitaria acerina Wanas., Camporesi, E.B.G. Jones & K.D. Hyde 2017
- Neocosmospora vasinfecta E.F. Smith 1899
- Nemania maritima Ju & J.D. Rogers 2002
- Nectria berberidicola Hirooka, Lechat, Rossman & P. Chaverri 2012
- Nectria inventa Pethybr. 1919
- Nectria fimicola Fuckel 1870
- Nectriella verrucosa Urries 1941
- Nectriopsis lecanodes (Ces.) Diederich & Schroers 1999
- Nectriopsis micareae Diederich, van den Boom & Ernst 1999
- Nectria gracilipes (Tul. & C. Tul.) Wollenw. 1926
- Nectria lugdunensis J. Webster 1959
- Nectria miltina (Mont.) Mont. 1856
- Nectria muscivora (Berk. & Broome) Berk. 1860
- Nectria pallidula Cooke 1888
- Nectria opalina P. Crouan & H. Crouan 1867
- Nectria polyporina Petch 1941
- Nectria pezizoides Kirschst. 1906
- Nectria racovitzae Döbbeler 1978
- Nectria sphagnicola Kirschst. 1906
- Nectria salisburgensis Döbbeler & Poelt 1979
- Nectriella alpina (G. Winter) Weese 1914
- Nectriella luteola (Roberge ex Desm.) Weese 1914
- Nectriopsis parmeliae (Berk. & M.A. Curtis) M.S. Cole & D. Hawksw. 2001
- Nemania aenea var. aureolutea (Petrini & J.D. Rogers) Ju & J.D. Rogers 2002
- Nemania atropurpurea (Fr. : Fr.) Pouzar 1985
- Nemania diffusa (Sowerby) Gray 1821
- Nereiospora comata (Kohlm.) E.B.G. Jones, R.G. Johnson & S.T. Moss 19
- Niesslia exosporioides (Desm.) G. Winter 1887
- Sarcopyrenia gibba Nyl. 1857
- Sarcopyrenia beckhausiana (J. Lahm) M.B. Aguirre, Nav.-Ros. & Hladún 1990
- Schizothecium oedotrichum N. Lundq. 1972
- Scirrhia microspora (Niessl) Sacc. 1891
- Scopinella barbata (Pers.) Lév. 1878
- Scopinella caulincola (Fuckel) Malloch 1976
- Schizothecium simile (E.C. Hansen) N. Lundq. 1972
- Schizothecium pilosum (Mouton) N. Lundq. 1972
- Schizothecium squamulosum (P. Crouan & H. Crouan) N. Lundq. 1972
- Scirrhia castagnei (Mont.) Nitschke 1870
- Schizothecium fimicola Corda 1838
- Schizothecium nanum N. Lundq. 1972
- Sclerostagonospora opuntiae (Ellis & Everh.) Huhndorf 1992
- Saccothecium hercynicum Kirschst. 1939
- Nitschkia collapsa (Romell) Chenant. 1918
- Nodulosphaeria niesslii (Bäumler) L. Holm 1957
- Nodulosphaeria octoseptata (Wehm.) L. Holm 1957
- Nodulosphaeria winteri (Niessl) Crivelli 1983
- Obolarina dryophila (Tul. & C. Tul.) Pouzar 1986
- Omphalospora stellariae (Lib.) Theiss. & Syd. 1915
- Oomyces carneoalbus (Lib.) Berk. & Broome 1851
- Ophiobolus constrictus E. Müll. 1952
- Ophiobolus dictamni (Fuckel) Sacc. 1883
- Ophiobolus pellitus (Fuckel) Sacc. 1883
- Ophiobolus dipsaci Ade 1923
- Ophiobolus typhae Feltgen 1901
- Ophioceras dolichostomum (Berk. & M.A. Curtis) Sacc. 1883
- Ophiobolus clavisporus Pass. 1890
- Ophiobolus collapsus Ellis & Sacc. 1881
- Ophiobolus crassus Shoemaker 1976
- Ophiobolus ophioboloides (Sacc.) L. Holm 1948
- Ophiobolus niesslii Bäumler 1887
- Ophiobolus galii Richon 1889
- Ophiobolus persolinus (Caldesi & De Not.) Sacc. 1883
- Oomyces incanus Rehm 1905
- Ophiocordyceps ditmarii (Quél.) G.H. Sung, J.M. Sung, Hywel-Jones & Spataf
- Ophiocordyceps larvicola (Quél.) Van Vooren 2009
- Nodulosphaeria septemcellulata (E. Müll.) L. Holm 1957
- Nodulosphaeria volkartii (E. Müll.) L. Holm & E. Müll. 1961
- Nummularia gigas W. Phillips & Plowr. 1880
- Obryzum corniculatum Wallr. 1825
- Ochronectria calami (Henn. & E. Nyman) Rossman & Samuels 1999
- Nitschkia brevispina (Munk) Nannf. 1975
- Nitschkia confertula (Schwein.) Nannf. 1975
- Nitschkia grevillei (Rehm) Nannf. 1975
- Nodulosphaeria aquilana (Sacc.) L. Holm 1957
- Nodulosphaeria muelleri L. Holm 1961
- Nodulosphaeria franconica (Petr.) L. Holm 1957
- Nodulosphaeria pileata (Volkart) Crivelli 1983
- Nodulosphaeria pontica (Petr.) L. Holm 1957
- Nodulosphaeria pseudaffinis (Petr.) L. Holm 1961
- Nodulosphaeria rupestris (E. Müll.) Crivelli 1983
- Nodulosphaeria spectabilis (Niessl) L. Holm 1961
- Thaxteriella corynespora (Munk) J.L. Crane, Shearer & M.E. Barr 1998
- Thaxteriella pezizula (Berk. & M.A. Curtis) Petr. 1953
- Thelonectria coronata (Penz. & Sacc.) P. Chaverri & C. Salgado 2011
- Thielavia basicola Zopf 1876
- Thyridaria maculans (Fabre) M.E. Barr 2003
- Thyridaria verrucosa Aebi, Harr, E. Müll. & Ouell. 1972
- Thyronectria berolinensis (Sacc.) Seaver 1909
- Thyronectria austroamericana (Speg.) Seeler 1940
- Thyronectria inconspicua Döbbeler 1978
- Thyronectria obscura Jaklitsch & Voglmayr 2014
- Thyronectria rhodochlora (Mont.) Seeler 1940
- Thyronectria balsamea (Cooke & Peck) Seeler 1940
- Togninia jungens (Nitschke) Berl. 1900
- Togninia vibratilis (Fr.) Réblová & L. Mostert 2007
- Taphrophila cornu-capreoli Scheuer 1988
- Teichospora hypophloea Kirschst. 1939
- Teichospora rubriostiolata Jaklitsch & Voglmayr 2016