Coryphantha pycnacantha (Mart.) Lem., Cactées: 35. 1868
Coryphantha pycnacantha, Cactées: 35. 1868
is new combination for Mammillaria pycnacantha in Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 16(1): 325–326. 1832
Coryphantha pycnacantha, Cactées: 35. 1868