Thelocactus ysabelae var. brevispinus Schlange in Cact. Succ. J. (Los Angeles) 5: 551. 1934
Thelocactus ysabelae var. brevispinus in Cact. Succ. J. (Los Angeles) 5: 551. 1934
is basionym for Turbinicarpus ysabelae var. brevispinus in Repert. Pl. Succ. 19(1): 22. 1983
is basionym for Gymnocactus ysabelae var. brevispinus, Cactaceae 5: 2856. 1961
Type: not designated