Basionym Name:Agaricus phaeospermus Fr., Monogr. Hymenomyc. Suec. (Upsaliae) 1: 413 (1857)
Homotypic synonyms:Stropharia phaeosperma (Fr.) Quél., Mém. Soc. Émul. Montbéliard, Sér. 2 5: 142 [111 repr.] (1872)