Species (13.556)
- Discinella lividopurpurea Boud. 1888
- Discinella minutissima Ramsb. & Garnett 1914
- Discinella terrestris (Berk. & Broome) Dennis 1958
- Disciotis maturescens Boud. 1891
- Disciotis venosa (Pers.) Arnould 1906
- Didymosphaeria brunneola Niessl 1875
- Didymocyrtis epiphyscia Ertz & Diederich 2015
- Didymosphaeria circinata (Fuckel) G. Winter 1882
- Didymosphaeria futilis (Berk. & Broome) Rehm 1879
- Didymosphaeria geminella Lettau 1958
- Didymosphaeria conoidea Niessl 1875
- Didymosphaeria lineatispora Nograsek 1991
- Didymosphaeria heppii Petr. 1938
- Didymosphaeria marchantiae Starbäck 1898
- Didymosphaeria minuta Niessl 1875
- Didymosphaeria peltigerae Fuckel 1870
- Didymosphaeria epidermidis (Fr.) Fuckel 1870
- Didymosphaeria verdoni A.L. Guyot 1949
- Didymosphaeria subcorticalis Feltgen 1901
- Didymosphaeria rubicola Berl. 1886
- Diffractella curvata (Fuckel) Guarro, P.F. Cannon & Aa 1991
- Digitodesmium elegans P.M. Kirk 1981
- Dinemasporium cytosporoides (Sacc.) B. Sutton 1965
- Dinemasporium graminum Lév. 1846
- Dinemasporium strigosum (Pers. : Fr.) Sacc. 1881
- Dilophospora graminis Desm. 1840
- Dinemasporium pleurospora (Sacc.) Shkarupa 1980
- Diplocarpon mespili (Sorauer) B. Sutton 1980
- Diplocarpon rosae F.A. Wolf 1912
- Diplocarpon polygoni E. Müll. 1977
- Diplocladium majus Bonord. 1851
- Diplodia cytisi Auersw. 1863
- Discinella purpurascens (Pers.) Boud. 1907
- Discinella schimperi (Navashin) Redhead & K.W. Spicer 1981
- Dictyosporium pelagicum (Linder) G.C. Hughes ex E.B.G. Jones 1963
- Dictyosporium toruloides (Corda) Guég. 1905
- Didymella graminicola Punith. 1970
- Didymella nigra Corbaz 1957
- Didymella rumicicola (Boerema & Loer.) Q. Chen & L. Cai 2015
- Didymella praestabilis Rehm 1904
- Didymellopsis pulposi (Zopf) Grube & Hafellner 1990
- Gyromitra splendida Raitv. 1974
- Gyrothrix verticillata Piroz. 1962
- Hadrotrichum pyrenaicum Petrini & Cand. 1983
- Hadrotrichum virescens Sacc. & Roum. 1882
- Haematonectria haematococca (Berk. & Broome) Samuels & Rossman 1999
- Haglundia magnipilosa Svr?ek 1978
- Haglundia penyardensis Graddon 1986
- Hamatocanthoscypha laricionis (Velen.) Svr?ek 1977
- Hamatocanthoscypha uncinata (W. Phillips) Huhtinen 1989
- Hamatocanthoscypha uncipila (Le Gal) Huhtinen 1990
- Hapalocystis berkeleyi var. kickxii (Westend.) M.E. Barr 1978
- Hapalocystis bicaudata Fuckel 1863
- Haplographium finitimum (Preuss) Sacc. 1886
- Harziella capitata Costantin & Matr. 1899
- Harposporium poronioides (Seaver) Spatafora & Kepler 2015
- Globulina lupini Velen. 1947
- Globulina martialis Velen. 1947
- Gloeopeziza crozalsii Grélet 1924
- Gloeopeziza cuneiformis Döbbeler 1996
- Gloeopeziza interlamellaris Döbbeler 1987
- Gloeopeziza zukalii Rehm 1896
- Gloeosporidiella variabilis (Laubert) Nannf. 1932
- Gloeosporium roesteliicola Bubák & Serebrian. 1912
- Gloeotinia juncorum (Velen.) Baral 1985
- Gloiosphaera clerciana (Boud.) Höhn. 1905
- Glomerella polypodii (Rabenh.) L. Holm & K. Holm 1978
- Gloniella graphidioidea Rehm 1903
- Gloniella typhae (Fuckel) Sacc. 1883
- Gloniopsis biformis (Fr.) Sacc. 1883
- Gloniopsis curvata (Fr.) Sacc. 1883
- Gloniopsis praelonga (Schwein.) H. Zogg 1962
- Glonium graphicum (Fr.) Duby 1862
- Glonium subtectum Sacc. & Roum. 1882
- Glonium lineare (Fr.) De Not. 1846
- Glyphium elatum (Grev.) H. Zogg 1962
- Glyphium schizosporum (Maire) Zogg 1962
- Gnomonia alnea (Fr.) Sogonov 2008
- Gnomonia alni-viridis Podl.-R?ž. & Svr?ek 1970
- Gonytrichum macrocladum (Sacc.) S. Hughes 1951
- Gorgoniceps boltonii (W. Phillips) Dennis 1971
- Gorgoniceps charnwoodensis Graddon 1980
- Gorgoniceps delicatula (Fuckel) Höhn. 1923
- Gorgoniceps kirschsteinii Jaap 1922
- Gracilistilbella bambusae (Pat. & Gaillard) Seifert 2000
- Graddonidiscus vandae (Velen.) Raitv. & R. Galán 1994
- Graphiopsis chlorocephala (Fresen.) Trail 1889
- Graphium fissum Preuss 1851
- Gremmeniella juniperina K. Holm & L. Holm 1977
- Gremmeniella laricina (Ettl.) Petrini, L.E. Petrini, Lafl. & Ouell. 1989
- Guignardia philoprina (Berk. & M.A. Curtis) Aa 1973
- Gyromitra ticiniana Littini 1988
- Gyromitra spinosospora (Lucchini & Pelland.) A. Koch, Christan & Lohmeyer
- Haglundia perelegans Haglund ex Nannf. 1932
- Haglundia sarmentorum Svr?ek 1967
- Hainesia xanthoriae Brackel 2009
- Hainesia macrospora Butin 2011
- Hainesia rubi (Westend.) Sacc. 1884