Matucana ritteri Buining in Succulenta (Netherlands) 1959: 2. 1959

is basionym for Borzicactus ritteri (Buining) Donald in Natl. Cact. Succ. J. 26(1): 10. 1971

is basionym for Submatucana ritteri (Buining) Backeb., Cactaceae 6: 3702. 1962

Taxon for this name