Ritterocactus buiningii (Buxb.) Doweld in Sukkulenty 2(2): 22. 1999
Ritterocactus buiningii in Sukkulenty 2(2): 22. 1999
is new combination for Notocactus buiningii in Kakteen And. Sukk. 19: 229. 1968
Ritterocactus buiningii in Sukkulenty 2(2): 22. 1999
Taxon for this name