Species (59)
- Didymella bryoniae (Fuckel) Rehm 1881
- Didymella melonis Pass. 1885
- Didymella effusa (Niessl) Sacc. 1882
- Coleophora didymella Chrétien, 1899
- Didymella weillii Wern.
- Didymella magnei
- Didymella sphinctrinoides (Zwackh) Berl. ex Vogl. var. physciicola
- Didymella corni (Sowerby : Fr.) Sacc. 1882
- Didymella superflua (Auersw.) Sacc. 1881
- Didymella phacae Corbaz 1955
- Didymella aptrootii K.D. Hyde & S.W. Wong 1999
- Didymella culmigena Sacc. 1878
- Didymella dentariae Rehm 1923
- Didymella equisetina (Syd.) Petr. 1931
- Didymella exitialis (Morini) E. Müll. 1952
- Didymella glacialis Rehm 1882
- Didymella eupyrena Sacc. 1880
- Didymella holosteae Syd. & P. Syd. 1924
- Didymella hepaticarum (Sacc.) E. Müll. 1962
- Didymella macrospora Corbaz 1957
- Didymella macrostoma (Mont.) Qian Chen & L. Cai 2015
- Didymella lycopersici Kleb. 1921
- Didymella inaequalis Corbaz 1957
- Didymella obscura Rehm 1910
- Didymella operosa (Desm.) Sacc. 1882
- Didymella obstruens Corbaz 1957
- Didymella prominula (Speg.) Piroz. & Morgan-Jones 1968
- Didymella pinodes (Berk. & A. Bloxam) Höhn. 1924
- Didymella trifolii (Fuckel) Sacc. 1882
- Didymella urticicola Aa & Boerema 1976
- Didymella proximella (P. Karst.) Sacc. 1882
- Didymella valeriana Corbaz 1957
- Didymella vincetoxici (De Not.) Sacc. 1882
- Didymella vodakii E. Müll. 1953
- Didymella vitalbina Petr. 1940
- Didymella winteriana (Sacc.) Petr. 1947
- Didymella alectorolophi Rehm 1923
- Didymella applanata (Niessl) Sacc. 1882
- Didymella asphodeli E. Müll. 1959
- Didymella caricis Syd. 1921
- Didymella commanipula (Berk. & Broome) Sacc. 1882
- Didymella epilobii (Fuckel) Sacc. 1882
- Didymella exigua (Niessl) Sacc. 1880
- Didymella hellebori (Chaillet ex Fr.) Sacc. 1882
- Didymella graminicola Punith. 1970
- Didymella nigra Corbaz 1957
- Didymella rumicicola (Boerema & Loer.) Q. Chen & L. Cai 2015
- Didymella praestabilis Rehm 1904
- Didymella punctiformis (Pers.) Vain. 1921
- Pseudomassaria corni (Sowerby) Arx 1952
- Naetrocymbe punctiformis (Pers.) R.C. Harris 1995
- Ascochyta phacae (Corbaz) Qian Chen & L. Cai 2015
- Mycosphaerella citrullina (Chester) Grossenb. 1909
- Phoma macrostoma Mont. 1849
- Didymosphaeria trifolii G. Winter 1899
- Didymosphaeria bryoniae (Auersw.) Niessl 1875
- Sirodothis columnaris (Wallr.) B. Sutton & A. Funk 1975
- Mycosphaerella superflua (Auersw.) Petr. 1940