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