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CCDB → Angiosperms → Cactaceae → Mammillaria → Mammillaria heyderi subsp. hemisphaerica D. R. Hunt
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Mammillaria gummifera var. applanata (Engelm.) L. D. Benson | Mammillaria heyderi subsp. hemisphaerica D. R. Hunt | 11 | IPCN online | Pinkava, D. J. & B. D. Parfitt. 1982. Chromosome numbers in some cacti of western North America IV. Bull Torrey Bot. Club. 109: 121–128. | ||
| Mammillaria applanata Engelm. | Mammillaria heyderi subsp. hemisphaerica D. R. Hunt | 22 | Fedorov, 1974 | Remski 1954 |