Echinocereus triglochidiatus subsp. acifer (Otto ex Salm-Dyck) U.Guzmán in Cactaceae Syst. Init. 16: 17. 2003
Echinocereus triglochidiatus subsp. acifer in Cactaceae Syst. Init. 16: 17. 2003
is new combination for Cereus acifer, Cact. Hort. Dyck., ed. 1849: 189. 1850