Pediocactus simpsonii (Engelmann) Britton & Rose fa.montanensis Hochstätter

Succulenta, Netherlands, 76 (6): 262-270, 1997.

Montana Cactus

Holotype: S Montana, fieldnumber, fh 90, May 199, SRP.

Other representative material studied.

Montana:fh 90 (type),
fh 91,
fh 92,
fh 93,
fh 94,
fh 95,
fh 96.

SPECIES LIST
 Pediocactus simpsonii fa.montanensis

Pediocactus simpsonii fa.montanensis, fh94