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CCDB → Angiosperms → Cactaceae → Melocactus → Melocactus matanzanus León
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Melocactus matanzanus León | Melocactus matanzanus León | 44 | IPCN online | Das, A. B., S. Mohanty & P. Das. 1998. Interspecific variation in nuclear DNA content and chromosome analysis in Melocactus. Cytologia 63: 239–247. | |||
| Melocactus matanzanus León | Melocactus matanzanus León | 22 | IPCN online | Ross, R. 1981. Chromosome counts, cytology and reproduction in the Cactaceae. Amer. J. Bot. 68: 463–470. |