Pediocactus nigrispinus subsp. beastonii (Hochstätter) Hochstätter, Gen. Pediocactus, Navajoa, Toumeya Revised: 29. 1995
Pediocactus nigrispinus subsp. beastonii, Gen. Pediocactus, Navajoa, Toumeya Revised: 29. 1995
is new combination for Pediocactus nigrispinus var. beastonii in Succulenta (Netherlands) 71(3): 103, f. s.n. 1992