Basionym Name:Phacidium radians subsp. sibiricum Sacc., Michelia 1(no. 1): 60 (1877)
Homotypic synonyms:Phacidium sibiricum (Sacc.) Mussat, in Saccardo, Syll. fung. (Abellini) 15: 277 (1901)Pseudopeziza sibirica (Sacc.) Sacc., Syll. fung. (Abellini) 8: 725 (1889)