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CCDB → Angiosperms → Compositae → Senecio → Senecio douglasii var. longilobus (Benth.) L. D. Benson
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Senecio douglasii var. longilobus (Benth.) L. D. Benson | Senecio flaccidus Less. | 20II | IPCN online | Strother, J. L. 1983. More chromosome studies in Compositae. Amer. J. Bot. 70(8): 1217–1232. | ||
| ! | Senecio douglasii var. longilobus (Benth.) L. D. Benson | Senecio flaccidus Less. | 20II | IPCN online | Freeman, C. C. & R. E. Brooks. 1988. Documented plant chromosome numbers 1988: 1. Chromosome counts for North American plants -- I. Sida 13: 241–250. | ||
| ! | Senecio douglasii var. longilobus (Benth.) L. D. Benson | Senecio flaccidus Less. | 20 | IPCN online | Ward, D. E. 1983. Chromosome counts from New Mexico and southern Colorado. Phytologia 54: 302–309. | ||
| ! | Senecio douglasii var. longilobus (Benth.) L. D. Benson | Senecio flaccidus Less. | 20 | IPCN online | Windham, M. D. & C. Schaack. 1983. Chromosome counts for Adiantaceae, Aspleniaceae, Asteraceae and Poaceae. In: A. Löve (editor), IOPB Chromosome Number Reports LXXXI. Taxon 32: 664–665. | ||
| ! | Senecio douglasii var. longilobus (Benth.) L. D. Benson | Senecio flaccidus Less. | 20 | 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. | ||
| ! | Senecio douglasii var. longilobus (Benth.) L. D. Benson | Senecio flaccidus Less. | 20 | IPCN online | Keil, D. J. & T. F. Stuessy. 1977. Chromosome counts of Compositae from Mexico and the United States. Amer. J. Bot. 64: 791–798. |