Sulcorebutia unguispina Rausch in Succulenta (Netherlands) 64(6): 132. 1985
Sulcorebutia unguispina in Succulenta (Netherlands) 64(6): 132. 1985
is basionym for Sulcorebutia purpurea var. unguispina, Sulcorebutia: Kakteenzw. Boliv. Anden: 123. 2000
is basionym for Weingartia purpurea var. unguispina in Gymnocalycium 21(2): 780. 2008