Basionym Name:Agaricus flexipes P. Karst., Bidr. Känn. Finl. Nat. Folk 25: 371 (1876)
Homotypic synonyms:Galera flexipes (P. Karst.) Sacc., Syll. fung. (Abellini) 5: 861 (1887)Galera siliginea var. flexipes (P. Karst.) P. Karst., Finl. Basidsvamp.(no. 11): 96 (1889)