Synonymy:
Sphaeria carpini Fr., K. svenska Vetensk-Akad. Handl., ser. 3 38: 89 (1817)
Valsa carpini (Fr.) Fr., Summa veg. Scand., Sectio Post. (Stockholm): 411 (1849)
Hypoxylon carpini (Fr.) Westend., Crypt. Class. Apr. Stat. Nat.: 159 (1854)

Sphaeria betuli Pers., Neues Mag. Bot. 1: 83 (1794)
Chorostate betuli (Pers.) Traverso, Fl. ital. crypt., Pars 1: Fungi. Pyrenomycetae. Xylariaceae, Valsaceae, Ceratostomataceae (Florence) 1(2): 202 (1906)
Diaporthe betuli (Pers.) G. Winter ex Jaap, Verh. bot. Ver. Prov. Brandenb. 52: 149 (1910)

Diaporthe sordida Nitschke, Pyrenomyc. Germ. 2: 252 (1870)
Diaporthe carpini f. sordida (Nitschke) Petr., Hedwigia 65: 203 (1925)

Diaporthe carpini var. quercina Rehm, Ascomyceten: no. 149 (1873)

Phoma sordida Sacc., Syll. Fung. (Abellini) 3: 99 (1884)
Phoma sordidula Sacc. & P. Syd., Syll. Fung. (Abellini) 14(2): 889 (1899)
Phomopsis sordidula Traverso, Fl. ital. crypt. (Florence) 2(1): 250 (1906)

Diaporthe sordida f. alni Höhn., Fungi Imperfecti exs., Fasc. 50: no. 2476 (1919)

Position in classification:
Diaporthe, Diaporthaceae, Diaporthales, Diaporthomycetidae, Sordariomycetes, Ascomycota, Fungi

Note:
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