| Name | Mammillaria macdougalii Rose |
| Authorship | Rose |
| Rank | Species |
| Placed in | Mammillaria Haworth |
| Citation | 1916 Stand. Cycl. Hort. 4: 1982 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Mammillaria macdougalii Rose |
| Identification made in | [no date] (3) |
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