Echinocactus mazanensis var. breviflorus Backeb. in Kakteen-Freund 1: 134. 1932
Echinocactus mazanensis var. breviflorus in Kakteen-Freund 1: 134. 1932
is basionym for Gymnocalycium hossei var. breviflorum in Gymnocalycium 21 (Sonderausgabe): 816. 2008