Echinocactus capricornis var. crassispinus H.Moeller in Z. Sukkulentenk. 2: 129. 1926
Echinocactus capricornis var. crassispinus in Z. Sukkulentenk. 2: 129. 1926
is basionym for Astrophytum crassispinum in Kakteen And. Sukk. 9: 81. 1958
is basionym for Astrophytum crassispinum in Kakteen And. Sukk. 8: 137. 1957
is basionym for Astrophytum capricorne var. crassispinum in Syaboten 4: 175. 1933