Basionym Name:Phoma microsperma P. Karst., Bidr. Känn. Finl. Nat. Folk 23: 153 (1873)
Homotypic synonyms:Phoma karstenii Berl. & Voglino, in Saccardo, Syll. fung., Addit. I-IV (Abellini): 300 (1886)Phoma parvispora Sacc. & P. Syd., Syll. fung. (Abellini) 14(2): 889 (1899)