Sulcorebutia tiraquensis var. augustinii (Hentzschel) Gertel & J.de Vries in Cactus & Co. 11(3): 158. 2007
Sulcorebutia tiraquensis var. augustinii in Cactus & Co. 11(3): 158. 2007
is new combination for Sulcorebutia augustinii in Succulenta (Netherlands) 68(7–8): 147. 1989