Pediocactus simpsonii (Engelmann) Britton & Rose fa.sandiamontana Hochstätter
Succulenta, Netherlands, 76 (6): 262-270, 1997.Sandia Mountains Cactus
Holotype: Sandia Mountains, New Mexico, fieldnumber fh 41, May 1997, SRP.
Other representative material studied.
| New Mexico: | fh 40.1.2, Manzano Peak, 3,000m, fh 41 (type), Bernalillo Co., fh 42, Bernalillo Co., 2,900m. |
Pediocactus simpsonii fa.sandiamontana, fh 41, (type), Bernalillo Co., NM, 2,900m