Echinocactus helophorus var. longifossulatus Lem., Cact. Gen. Sp. Nov.: 13. 1839 Echinocactus helophorus var. longifossulatus Lem., Cact. Gen. Sp. Nov.: 13. 1839Taxon for this nameEchinocactus helophorus var. longifossulatus Lem.
