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

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

Prairie Cactus

Holotype: S Wyoming, fieldnumber fh 70, May 1997, SRP.

Other representative material studied.

Wyoming:fh 70 (type), Albany Co., 2,100m,
fh 70.5, Carbon Co., 2,350m,
fh 70.6, n Laramie River, 2,170m,
fh 70.7, Interstate 80, 2,400m,
fh 70.8, Iron Mts. 1,900m,
fh 70.9, Horse Creek, 1,940m,
fh 70.1.0, Pathfinder, 1,880m,
fh 70.1.1, s Casper, 1,880m,
fh 71, Laramie Co.,
fh 75, Albany Co., 2,500m,
fh 76, Carbon Co., 2,400m.

SPECIES LIST
Pediocactus simpsonii fa.campestris

Pediocactus simpsonii fa.campestris, fh 75, Albany Co., 2,500m,