Echinocactus xiphacanthus Miq. in Linnaea 12: 1. 1838
Echinocactus xiphacanthus in Linnaea 12: 1. 1838
is basionym for Echinocactus arrigens var. xiphacanthus, Handb. Kakteenkult.: 173. 1907
is basionym for Echinofossulocactus arrigens f. xiphacanthus
is basionym for Echinofossulocactus xiphacanthus, Cactaceae 5: 2776. 1961