Species (13.556)
- Nectria heilbrunniensis Kirschst. 1941
- Nectria lagodes Döbbeler 2005
- Nectria mauritiicola (Henn.) Seifert & Samuels 1985
- Nectria nigrescens Cooke 1878
- Nectria mnii Döbbeler 1988
- Nectria styriaca Döbbeler 1978
- Nectria voratella Döbbeler 2005
- Nectria tatrensis Alstrup 1996
- Nectria ventricosa C. Booth 1971
- Nectriella crouanii Lowen 1999
- Nectriella bloxamii (Berk. & Broome) Fuckel 1877
- Nectria ribis (Tode) Rabenh. 1859
- Nectriella curtisii (Berk.) Lowen 1999
- Nectriella dacrymycella (Nyl.) Rehm 1874
- Nectriella dakotensis (Seaver) Lowen 1999
- Nectriella lacustris (Kirschst.) Magnes & Hafellner 1991
- Nectriopsis broomeana (Tul. & C. Tul.) W. Gams 1982
- Nectriopsis candicans (Plowr.) Maire 1911
- Nectriella silenes-acaulis Nograsek 1990
- Nectriopsis frangospora Brackel 2010
- Nectriopsis indigens (Arnold) Diederich & Schroers 1999
- Nectriopsis oropensoides (Rehm) Samuels 1988
- Nectriopsis rubefaciens (Ellis & Everh.) M.S. Cole & D. Hawksw. 2001
- Nectriopsis sepultariae (Ade) Samuels 1988
- Nectriopsis violacea (J.C. Schmidt : Fr.) Maire 1911
- Nemania bipapillata (Berk. & M.A. Curtis) Pouzar 1985
- Nemania carbonacea Pouzar 1985
- Nemania chestersii (J.D. Rogers & Whalley) Pouzar 1985
- Nemania caries (Schwein.) Y.M. Ju & J.D. Rogers 2002
- Macroconia sphaeriae (Fuckel) Gräfenhan & Schroers 2011
- Nemania confluens (Tode) Læssøe & Spooner 1994
- Nemania illita (Schwein.) Pouzar 1985
- Nemania serpens (Pers.) Gray 1821
- Nematogonum ferrugineum (Pers.) S. Hughes 1958
- Nematographium strictum (Preuss) Goid. 1935
- Nematostoma parasiticum (R. Hartig) M.E. Barr 1997
- Neobarya parasitica (Fuckel) Lowen 1986
- Neobulgaria premnophila Roll-Hansen & H. Roll-Hansen 1979
- Neocosmospora rehmiana (Kirschst.) Hirooka, Samuels, Rossman & P. Chaverr
- Neocucurbitaria acerina Wanas., Camporesi, E.B.G. Jones & K.D. Hyde 2017
- Neocosmospora vasinfecta E.F. Smith 1899
- Neocudoniella albiceps (Peck) Korf 1971
- Neodasyscypha cerina (Pers.) Spooner 1987
- Neoërysiphe cumminsiana (U. Braun) U. Braun 1999
- Neoërysiphe galii (S. Blumer) U. Braun 1999
- Neoërysiphe geranii (Y. Nomura) U. Braun 1999
- Neoërysiphe gnaphalii U. Braun 2012
- Neoërysiphe joerstadii V.P. Heluta & S. Takam. 2010
- Nimbomollisia eriophori (Kirchn.) Nannf. 1983
- Nemania maculata (Tode) Gray 1821
- Nemania maritima Ju & J.D. Rogers 2002
- Neofabraea alba (E.J. Guthrie) Verkley 1999
- Neogodronia bresadolae (Rehm) Schläpf.-Bernh. 1969
- Neohendersonia kickxii (Westend.) B. Sutton & Pollack 1974
- Neonectria ditissima (Tul. & C. Tul.) Samuels & Rossman 2006
- Neonectria fuckeliana (C. Booth) Castl. & Rossman 2006
- Neonectria galligena (Bres.) Rossman & Samuels 1999
- Neonectria hederae (C. Booth) Castl. & Rossman 2006
- Neosetophoma samarorum (Desm.) Gruyter, Aveskamp & Verkley 2010
- Neottiella albocincta (Berk. & M.A. Curtis) Sacc. 1889
- Neottiella rutilans (Fr.) Dennis 1960
- Navicella pileata (Tode : Fr.) Fabre 1879
- Nectria berberidicola Hirooka, Lechat, Rossman & P. Chaverri 2012
- Nectria inventa Pethybr. 1919
- Nectria fimicola Fuckel 1870
- Nectriella funicola (Berk. & Broome) Petch 1937
- Nectriella verrucosa Urries 1941
- Nectriella paludosa Fuckel 1870
- Nectriopsis lecanodes (Ces.) Diederich & Schroers 1999
- Nectriopsis exigua (Pat.) W. Gams 1982
- 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 peziza (Tode : Fr.) Fr. 1849
- Nectria polyporina Petch 1941
- Nectria pezizoides Kirschst. 1906
- Nectria racovitzae Döbbeler 1978
- Nectria pseudopeziza (Desm.) Rossman 1979
- 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 (Nitschke) Pouzar 1985
- Nemania aenea var. aureolutea (Petrini & J.D. Rogers) Ju & J.D. Rogers 2002
- Nemania atropurpurea (Fr. : Fr.) Pouzar 1985
- Nemania aenea var. macrospora (J.H. Mill.) Y.M. Ju & J.D. Rogers 2002
- Nemania diffusa (Sowerby) Gray 1821
- Nemania effusa (Nitschke) Pouzar 1985
- Nemania gwyneddii (Whalley, Edwards & Francis) Pouzar 1985
- Nereiospora comata (Kohlm.) E.B.G. Jones, R.G. Johnson & S.T. Moss 19
- Neottiella vivida (Nyl.) Dennis 1960
- Neottiospora caricina (Desm.) Höhn. 1919