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CCDB → Angiosperms → Compositae → Zinnia → Tragoceros americanum (Mill.) S. F. Blake
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Tragoceros americanum (Mill.) S. F. Blake | Zinnia americana (Mill.) Olorode & A. M. Torres | 11 | IPCN online | Keil, D. J. & T. F. Stuessy. 1975. Chromosome counts of Compositae from the United States, Mexico and Guatemala. Rhodora 77: 171–195. | ||
| ! | Tragoceros americanum (Mill.) S. F. Blake | Zinnia americana (Mill.) Olorode & A. M. Torres | 22 | Fedorov, 1974 | Turner et al. 1962 | ||
| ! | Tragoceros americanum (Mill.) S. F. Blake | Zinnia americana (Mill.) Olorode & A. M. Torres | 22 | Fedorov, 1974 | Torres 1963b | ||
| ! | Tragoceros americanum (Mill.) S. F. Blake | Zinnia americana (Mill.) Olorode & A. M. Torres | 11 | Cave1962 | Turner et al, 1962 | ||
| ! | Tragoceros americanum (Mill.) S. F. Blake | Zinnia americana (Mill.) Olorode & A. M. Torres | 11 | Cave1963 | Torres 1963b |