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CCDB → Angiosperms → Compositae → Pyrrhopappus → Pyrrhopappus multicaulis DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Pyrrhopappus multicaulis DC. | Pyrrhopappus pauciflorus (D. Don) DC. | 6 | IPCN online | Bachmann, K. A. & H. J. Price. 1977. Repetitive DNA in Cichoricae (Compositae). Chromosoma 61: 267–275. | |||
| Pyrrhopappus multicaulis DC. | Pyrrhopappus pauciflorus (D. Don) DC. | 6 | IPCN online | Tomb, A. S., K. L. Chambers, D. W. KYHOS, A. M. Powell & P. H. RAVEN. 1978. Chromosome numbers in the Compositae XIV. Lactuceae. Amer. J. Bot. 65: 717–721. | |||
| Pyrrhopappus multicaulis DC. | Pyrrhopappus pauciflorus (D. Don) DC. | 6 | IPCN73-74 | POWELL, A.M., D.W. KYHOS, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. X. Amer. J. Bot. 61: 909-913. | |||
| Pyrrhopappus multicaulis DC. | Pyrrhopappus pauciflorus (D. Don) DC. | 12 | Fedorov, 1974 | Turner, ;Ellison 1960 |