| Name | Mammillaria crucigera Martius |
| Authorship | Martius |
| Rank | Species |
| Placed in | Mammillaria Haworth |
| Citation | 1832 Nov. Actorum Acad. Caes. Leop.-Carol. German. Nat. Cur. 16(1): 340, t. 25, f. 2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mammillaria crucigera Martius |
| Identification made in | [no date] (1) |
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