Mammillaria heyderi var. hemisphaerica Engelm. in Proc. Amer. Acad. Arts 3: 263. 1856

Mammillaria heyderi var. hemisphaerica Engelm. in Proc. Amer. Acad. Arts 3: 263. 1856

Mammillaria heyderi var. hemisphaerica Engelm. in Proc. Amer. Acad. Arts 3: 263. 1856

is new combination for Mammillaria hemisphaerica Engelm. in Boston J. Nat. Hist. 6(2): 198–199. 1850

Taxon for this name

Mammillaria heyderi var. hemisphaerica Engelm.