Pediocactus simpsonii subsp. idahoensis Hochstätter in Succulenta (Netherlands) 76: 124. 1997 Pediocactus simpsonii subsp. idahoensis Hochstätter in Succulenta (Netherlands) 76: 124. 1997Taxon for this namePediocactus simpsonii subsp. idahoensis Hochstätter