Micranthocereus polyanthus (Werderm.) Backeb. in Cactaceae (Berlin) 1941(2): 51. 1942
Micranthocereus polyanthus in Cactaceae (Berlin) 1941(2): 51. 1942
is new combination for Cephalocereus polyanthus, Repert. Spec. Nov. Regni Veg.: 11. 1932
Micranthocereus polyanthus in Cactaceae (Berlin) 1941(2): 51. 1942