Mammillaria scheeri var. valida Engelm. in Proc. Amer. Acad. Arts 3: 265. 1856
Mammillaria scheeri var. valida in Proc. Amer. Acad. Arts 3: 265. 1856
is basionym for Coryphantha scheeri var. valida in Cact. Succ. J. (Los Angeles) 41: 234. 1969
Mammillaria scheeri var. valida in Proc. Amer. Acad. Arts 3: 265. 1856
Taxon for this name