Cleistocactus ritteri Backeb. in Kakteen And. Sukk. 10: 11, 163. 1959
Cleistocactus ritteri in Kakteen And. Sukk. 10: 11, 163. 1959
is basionym for Cephalocleistocactus ritteri, Cactaceae 6: 3691. 1962
Cleistocactus ritteri in Kakteen And. Sukk. 10: 11, 163. 1959
Taxon for this name