Mammillaria radiaissima Linds., Mammillaria Handb.: 292, f. 263–264. 1945 Mammillaria radiaissima Linds., Mammillaria Handb.: 292, f. 263–264. 1945is basionym for Mammillaria baumii var. radiaissima (G.E.Linds.) Neutel. in Succulenta (Netherlands) 64: 232. 1985Taxon for this nameMammillaria radiaissima Linds.