Coryphantha missouriensis var. missouriensis
PNW
MT
8 specimens from 2 herbaria:
Montana (8)
Park (1)
Phillips (1)
Powder River (2)
Rosebud (1)
Stillwater (2)
Sweet Grass (1)
4 images from 2 herbaria:
RM (2)
USFS (2)