Echinocactus tricuspidatus Scheidw. in Allg. Gartenzeitung 9: 51. 1841
Echinocactus tricuspidatus in Allg. Gartenzeitung 9: 51. 1841
is basionym for Efossus tricuspidatus in Cactography 5. 1926
is basionym for Echinofossulocactus tricuspidatus, Cactaceae 3: 117. 1922
is basionym for Stenocactus tricuspidatus, Kaktus-ABC: 355. 1936 ["1935"]