Mammillaria pectinifera f. solisioides (Backeb.) Sánchez-Mej. in Cact. Suc. Mex. 25(3): 65. 1980
Mammillaria pectinifera f. solisioides in Cact. Suc. Mex. 25(3): 65. 1980
is new combination for Mammillaria solisioides in Cactus (Paris) 31(Suppl.): 3. 1952