Mammillaria vivipara var. deserti (Engelm.) L.D.Benson in Proc. Calif. Acad. Sci., ser. 4, 25: 263. 1944
Mammillaria vivipara var. deserti in Proc. Calif. Acad. Sci., ser. 4, 25: 263. 1944
is new combination for Mammillaria deserti, Bot. California 2: 449. 1880