Coryphantha missouriensis (Sweet) Britton & Rose, Ill. Fl. N. U.S., ed. 2, 2: 570. 1913
Coryphantha missouriensis, Ill. Fl. N. U.S., ed. 2, 2: 570. 1913
is new combination for Mammillaria missouriensis, Hort. Brit.: 171. 1826
Coryphantha missouriensis, Ill. Fl. N. U.S., ed. 2, 2: 570. 1913