Neomammillaria gigantea (Hildm. ex Schumann) Britton & Rose
no HD illustration available (m1)
Neomammillaria gigantea (Hildm. ex Schumann) Britton & Rose [ Mammillaria gigantea Hildm. ex Schumann] [Cactaceae]
N.L. Britton, J.N. Rose, Cact., vol. 4 : t. 11 (1923) [D.G. Passmore]