Basionym Name:Agaricus subobtusus Britzelm., Hymenomyc. Südbayern 8: 9 (1891)
Homotypic synonyms:Pilosace subobtusus (Britzelm.) Kuntze, Revis. gen. pl. (Leipzig) 3(3): 504 (1898)Psathyra subobtusa (Britzelm.) Sacc., Syll. fung. (Abellini) 11: 74 (1895)