Sclerocactus wetlandicus Hochstätter in Succulenta (Netherlands) 68(6): 123–125. 1989 sec. Parfitt & Gibson 2003
- ≡Pediocactus wetlandicus (Hochstätter) Halda in Acta Mus. Richnov., Sect. Nat., 5(1): 16. 1998 syn. sec. ???
- ≡Sclerocactus glaucus subsp. wetlandicus (Hochstätter) Lüthy in Cactaceae Syst. Init. 22: 24. 2007 syn. sec. ???