Echinocereus poselgerianus Linke in Allg. Gartenzeitung 25: 239. 1857
Echinocereus poselgerianus in Allg. Gartenzeitung 25: 239. 1857
is basionym for Echinocereus berlandieri var. poselgerianus in Cact. Avent. 16: 17. 1992
is basionym for Cereus poselgerianus in Rep. (Annual) Missouri Bot. Gard. 16: 80. 1905