Pediocactus nigrispinus
Pediocactus nigrispinus in Succulenta (Netherlands) 71(3): 99. 1992 sec. Parfitt & Gibson 20031 wfo-0001255994
- ≡Pediocactus simpsonii var. nigrispinus in Succulenta (Netherlands) 69(9): 178-179. 1990 syn. sec. Parfitt & Gibson 20031 wfo-0001289945
- =Pediocactus nigrispinus var. beastonii in Succulenta (Netherlands) 71(3): 103, f. s.n. 1992 syn. sec. Parfitt & Gibson 20032 wfo-0001266515
- ≡Pediocactus nigrispinus subsp. beastonii, Gen. Pediocactus, Navajoa, Toumeya Revised: 29. 1995 syn. sec. Parfitt & Gibson 20032 wfo-0001266516
- =Pediocactus nigrispinus subsp. puebloensis, Gen. Pediocactus, Navajoa, Toumeya Revised: 152. 1995 syn. sec. Parfitt & Gibson 20033 wfo-0001266517