Sclerocactus wetlandicus var. ilseae Hochstätter in Succulenta (Netherlands) 72(2): 87–89. 1993
Sclerocactus wetlandicus var. ilseae in Succulenta (Netherlands) 72(2): 87–89. 1993
is basionym for Sclerocactus wetlandicus subsp. ilseae, Gen. Pediocactus, Navajoa, Toumeya Revised: 141. 1995
is basionym for Sclerocactus whipplei var. ilseae, Utah Fl. (ed. 3): 79. 2003
is basionym for Pediocactus wetlandicus f. ilseae in Acta Mus. Richnov., Sect. Nat., 5: 16. 1998