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CCDB → Angiosperms → Rhamnaceae → Rhamnus → Rhamnus humboldtiana Willd. ex Schult.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Karwinskia humboldtiana (Schult.) Zucc. | Rhamnus humboldtiana Willd. ex Schult. | 24 | IPCN online | Tapia-Pastrana, F. 2002. Estudio citogenético en Karwinskia humboldtiana (Rhamnaceae) del valle de Actopan, Hidalgo, México. Anales Inst. Biol. Univ. Nac. Autón. México, Bot. 73(1): 17–25. |