| Name | Mammillaria magnimamma Haworth |
| Authorship | Haworth |
| Rank | Species |
| Placed in | Mammillaria Haworth |
| Citation | 1824 Philos. Mag. J. 63: 41 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Mammillaria magnimamma Haworth |
| Identification made in | [no date] (3) |
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