Basionym Name:Sphaeria systoma Fr., Elench. fung. (Greifswald) 2: 76 (1828)
Homotypic synonyms:Engizostoma systomum (Fr.) Kuntze, Revis. gen. pl. (Leipzig) 3(3): 475 (1898)Eutypa systoma (Fr.) Starbäck, Bih. K. svenska VetenskAkad. Handl., Afd. 3 19(no. 2): 17 (1894)