Basionym Name:Mycosphaerella perexigua Starbäck, Ark. Bot. 5(no. 7): 21 (1905)
Homotypic synonyms:Sphaerella perexigua Sacc., in Saccardo & Traverso, Syll. fung. (Abellini) 20: 826 (1911)Sphaerella starbaeckii Sacc. & Traverso, [as 'starbäckii'] Syll. fung. (Abellini) 20: 828 (1911)