Mammillaria radicantissima Quehl in Monatsschr. Kakteenk. 22: 164. 1912 Mammillaria radicantissima Quehl in Monatsschr. Kakteenk. 22: 164. 1912is basionym for Coryphantha clavata var. radicantissima (Quehl) Heinrich ex Backeb., Cactaceae 5: 2995. 1961Taxon for this nameMammillaria radicantissima Quehl