Thelocactus leucacanthus var. porrectus (Lem.) Backeb., Cactaceae 5: 2818. 1961
Thelocactus leucacanthus var. porrectus, Cactaceae 5: 2818. 1961
is new combination for Echinocactus porrectus, Cact. Aliq. Nov.: 17. 1838
Thelocactus leucacanthus var. porrectus, Cactaceae 5: 2818. 1961
Taxon for this name