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CCDB → Angiosperms → Cactaceae → Mammillaria → Mammillaria elongata DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Mammillaria elongata DC. | Mammillaria elongata DC. | 11 | IPCN online | Gill, B. S. & V. Goyal. 1984. Cytology of some members of Cactaceae. Cell Chromosome Res. 7: 58–60. | |||
| Mammillaria elongata DC. | Mammillaria elongata DC. | 11 | IPCN online | Mohanty, S., A. B. Das & P. Das. 1997. Studies on nuclear DNA and meiotic chromosomes in 8 species on Mammillaria. Cytologia 62: 331–336. | |||
| Mammillaria elongata DC. | Mammillaria elongata DC. | 22 | IPCN online | Das, A. B., S. Mohanty, R. H. Marrs & P. Das. 1999. Somatic chromosome number and karyotype diversity in fifteen species of Mammillaria of the family Cactaceae. Cytobios 97: 141–151. | |||
| Mammillaria elongata DC. | Mammillaria elongata DC. | 22 | Fedorov, 1974 | Remski 1954 |