Cereus scheeri Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 190. 1850
Cereus scheeri, Cact. Hort. Dyck., ed. 1849: 190. 1850
is basionym for Echinocereus scheeri, Bot. Voy. Herald: 291. 1856
is basionym for Echinocereus scheeri, Handb. Cacteenk., ed. 2: 801. 1885