Sclerocactus nyensis Hochstätter in Succulenta (Netherlands) 71(6): 253–255. 1992
Sclerocactus nyensis in Succulenta (Netherlands) 71(6): 253–255. 1992
is basionym for Pediocactus nyensis in Acta Mus. Richnov., Sect. Nat., 5(1): 15. 1998
is basionym for Sclerocactus spinosior subsp. nyensis in Cactaceae Syst. Init. 23: 28. 2008
Sclerocactus nyensis in Succulenta (Netherlands) 71(6): 253–255. 1992