Taxa: Mammillaria heyderi (Mammillaria parrasensis), Mammillaria heyderi ssp. hemisphaerica (Mammillaria hemisphaerica, Mammillaria applanata, Mammillaria heyderi var. hemisphaerica, Mammillaria gummifera var. hemisphaerica), Mammillaria heyderi ssp. heyderi (Mammillaria heyderi var. bullingtoniana, Mammi
... (show all)llaria heyderi var. heyderi, Mammillaria gummifera var. applanata, Mammillaria heyderi var. applanata), Mammillaria heyderi ssp. macdougalii (Mammillaria macdougalii, Mammillaria heyderi var. macdougalii, Mammillaria gummifera var. macdougalii), Mammillaria heyderi ssp. gaumeri (Mammillaria gaumeri), Mammillaria heyderi ssp. gummifera (Mammillaria gummifera, Mammillaria heyderi var. gummifera)