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

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

Acklinīs Cactus

Holotype: Beaver County, Utah, fieldnumber fh 63.4, May 1997, SRP.

Other representative material studied.

Utah:fh 63.4.0, Mineral Mountains, 2,500m

SPECIES LIST
 Pediocactus nigrispinus fa.acklinii

Pediocactus simpsonii fa.acklinii, fh 63.4, Beaver County, Utah