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CCDB → Angiosperms → Cactaceae → Mammillaria → Mammillaria heyderi subsp. macdougalii (Rose) D. R. Hunt
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Mammillaria heyderi var. macdougalii (Rose) L. D. Benson | Mammillaria heyderi subsp. macdougalii (Rose) D. R. Hunt | 11 | IPCN online | Pinkava, D. J., M. A. Baker, B. D. Parfitt, M. W. Mohlenbrock & R. D. Worthington. 1985. Chromosome numbers in some cacti of western North America-V. Syst. Bot. 10: 471–483. | ||
| ! | Mammillaria heyderi var. macdougalii (Rose) L. D. Benson | Mammillaria heyderi subsp. macdougalii (Rose) D. R. Hunt | 11 | IPCN online | Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113. | ||
| ! | Mammillaria macdougalii Rose | Mammillaria heyderi subsp. macdougalii (Rose) D. R. Hunt | 22 | eFlora | |||
| Mammillaria macdougalii Rose | Mammillaria heyderi subsp. macdougalii (Rose) D. R. Hunt | 22 | Fedorov, 1974 | Remski 1954 |