Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
Class Sordariomycetes O.E. Erikss. & Winka (1997)
Subclass Hypocreomycetidae O.E. Erikss. & Winka (1997)
Order Hypocreales Lindau (1897)
Family Nectriaceae Tul. & C.Tul. (1865)
01 Genus Albonectria Rossman & Samuels (1999)
02 Genus Allantonectria Earle (1901)
03 Genus Allonectella Petr. (1950)
04 Genus Aquanectria L. Lombard & Crous (2015)
05 Genus Atractium Link (1809), nom. sanct.
06 Genus Baipadisphaeria Pinruan (2011)
07 Genus Bisifusarium L. Lombard, Crous & W. Gams (2015)
08 Genus Calonectria De Not. (1867)
09 Genus Calostilbe Sacc. & P.Syd. (1902)
10 Genus Campylocarpon Halleen, Schroers & Crous (2004)
11 Genus Chaetonectrioides Matsush. (1996)
12 Genus Chaetopsina Rambelli (1956)
13 Genus Coccinonectria L. Lombard & Crous (2015)
14 Genus Corallomycetella Henn. (1904)
15 Genus Corallonectria C. Herrera & P. Chaverri (2013)
16 Genus Corinectria C. González & P. Chaverri (2017)
17 Genus Cosmospora Rabenh. (1862)
18 Genus Curvicladiella Decock & Crous (2006)
19 Genus Curvicladium Decock & Crous (1998), nom. illeg.
see Genus Curvicladiella Decock & Crous (2006)
20 Genus Cyanochyta Höhn. (1915)
21 Genus Cyanonectria Samuels & P. Chaverri (2009)
22 Genus Cyanophomella Höhn. (1918)
23 Genus Cylindrocladiella Boesew. (1982)
24 Genus Cylindrodendrum Bonord. (1851)
25 Genus Dacryoma Samuels (1988)
26 Genus Dactylonectria L. Lombard & Crous (2014)
27 Genus Dematiocladium Allegr., Aramb., Cazau & Crous (2005)
28 Genus Fusarium Link (1809), nom. sanct.
29 Genus Fusicolla Bonord. (1851)
30 Genus Geejayessia Schroers, Gräfenhan & Seifert (2011)
31 Genus Gliocephalotrichum J.J. Ellis & Hesselt. (1962)
32 Genus Gliocladiopsis S.B. Saksena (1954)
33 Genus Ilyonectria P. Chaverri & Salgado (2011)
34 Genus Macroconia (Wollenw.) Gräfenhan, Seifert & Schroers (2011)
35 Genus Mariannaea G. Arnaud ex Samson (1974)
36 Genus Microcera Desm. (1848)
37 Genus Nalanthamala Subram. (1956)
38 Genus Nectria (Fr.) Fr. (1849), nom. cons., nom. protect.
39 Genus Neocosmospora E.F. Sm. (1899)
40 Genus Neonectria Wollenw. (1917), nom. protect.
41 Genus Ophionectria Sacc. (1878)
42 Genus Paracremonium L. Lombard & Crous (2015)
43 Genus Payosphaeria W.F. Leong (1990)
44 Genus Penicillifer Emden (1968)
45 Genus Persiciospora P.F. Cannon & D.Hawksw. (1982)
46 Genus Pleiocarpon L. Lombard & D. Aiello (2017)
47 Genus Pleogibberella Sacc. ex Berl. & Voglino (1886)
48 Genus Pleurocolla Petr. (1924)
49 Genus Pseudocosmospora C. Herrera & P. Chaverri (2013)
50 Genus Pseudonectria Seaver (1909)
51 Genus Rectifusarium L. Lombard, Crous & W. Gams (2015)
52 Genus Rugonectria P. Chaverri & Samuels (2011)
53 Genus Sarcopodium Ehrenb. (1818)
54 Genus Stylonectria Höhn. (1915)
55 Genus Thelonectria P. Chaverri & Salgado (2011)
56 Genus Thyronectria Sacc. (1875), nom. dub.
57 Genus Varicosporella Lechat & J. Fourn. (2015)
58 Genus Volutella Fr. (1832), nom. sanct., nom. cons.
59 Genus Xenoacremonium L. Lombard & Crous (2015)
60 Genus Xenocylindrocladium Decock, Hennebert & Crous (1997)
61 Genus Xenogliocladiopsis Crous & W.B. Kendr. (1994)
62 Genus Xenoleptographium Marinc., T.A. Duong, Z.W. de Beer & M.J. Wingf. (2015)
63 Genus Xenonectriella Weese (1919)