Echinocactus macracanthus Placement status: name of verified uncertain applicationEchinocactus macracanthus Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 26. 1850 sec. ???≡Copiapoa macracantha (Salm-Dyck) Meregalli in Piante Grasse 11(4): 38. 1992 ["1991"] syn. sec. WFO 201911. WFO 2019Content