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