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CCDB → Angiosperms → Compositae → Senecio → Senecio gregorii F. Muell.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Senecio gregorii F. Muell. | Senecio gregorii F. Muell. | 20(1) | Asteracea | Turner 1970 Amer. J. Bot. | |||
| Othonna gregorii (F. Muell.) C. Jeffrey | Senecio gregorii F. Muell. | 20(0) | Asteracea | Jeffrey 1992 Kew Bulletin | |||
| Senecio gregorii F. Muell. | Senecio gregorii F. Muell. | 20 | 40 | IPCN online | Lawrence, M. E. 1980. Senecio L. (Asteraceae) in Australia: chromosome numbers and the occurrence of polyploidy. Austral. J. Bot. 28: 151–166. | ||
| ! | Senecio gregorii F. Muell. | Senecio gregorii F. Muell. | 20 | IPCN67-71 | TURNER, B.L. 1970. Chromosome numbers in the Compositae. XII Australian species. Amer. J. Bot. 57: 382-389. | ||
| ! | Senecio gregorii F. Muell. | Senecio gregorii F. Muell. | 40 | C-values database | Lawrence ME. 1985. Senecio L. (Asteraceae) in Australia - Nuclear DNA amounts. Australian Journal of Botany 33: 221-232. | ||
| Senecio gregorii F. Muell. | Senecio gregorii F. Muell. | 20 | Cave1963 | Ornduff et al. 1963 |