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CCDB → Angiosperms → Compositae → Hemizonia → Hemizonia ramosissima Benth.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hemizonia ramosissima Benth. | Hemizonia fasciculata (DC.) Torr. & A. Gray | 12 | IPCN online | Tanowitz, B. D. 1977. An intersectional hybrid in Hemizonia (Compositae: Madiinae). Madroño 24: 55–61. | |||
| Hemizonia ramosissima Benth. | Hemizonia fasciculata (DC.) Torr. & A. Gray | 12 | IPCN online | Keil, D. J. & D. J. Pinkava. 1976. Chromosome counts and taxonomic notes for Compositae from the United States and Mexico. Amer. J. Bot. 63: 1393–1403. | |||
| ! | Hemizonia ramosissima Benth. | Hemizonia fasciculata (DC.) Torr. & A. Gray | 24 | Darlington, 1955 |