Submatucana formosa var. minor (F.Ritter) Backeb., Descr. Cact. Nov. 3: 14. 1963 Submatucana formosa var. minor (F.Ritter) Backeb., Descr. Cact. Nov. 3: 14. 1963is new combination for Matucana formosa var. minor F.Ritter in Taxon 12(3): 125. 1963Taxon for this nameSubmatucana formosa var. minor (F.Ritter) Backeb.