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CCDB → Angiosperms → Compositae → Tamaulipa → Eupatorium azureum DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Eupatorium azureum DC. | Tamaulipa azurea (DC.) R. M. King & H. Rob. | 10 | IPCN66 | Turner & Flyr 1966 | |||
| Eupatorium azureum DC. | Tamaulipa azurea (DC.) R. M. King & H. Rob. | 20 | Fedorov, 1974 | Turner, Flyr 1966 |