Pediocactus simpsonii subsp. robustior (J.M.Coult.) Hochstätter
, Gen. Pediocactus, Navajoa, Toumeya Revised 41 (1995).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:984478-1
- Publication
- Genera Pediocactus-Navajoa-Toumeya, Cactaceae, Revidsed: in the shadow of the Rocky Mountains, With Sclerocactus News
- Collation
- 41
- Date of Publication
- 1995
- Family as entered in IPNI
- Cactaceae