CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Compositae → Gutierrezia → Xanthocephalum wrightii (A. Gray) A. Gray
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Xanthocephalum wrightii (A. Gray) A. Gray | Gutierrezia wrightii A. Gray | 4 | 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. | |||
| ! | Xanthocephalum wrightii (A. Gray) A. Gray | Gutierrezia wrightii A. Gray | 4 | IPCN73-74 | ANDERSON, L.C., D.W. KYHOS, T. MOSQUIN, A.M. POWEL~, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. IX Haplopappus and other Astereae. Amer. J. Bot. 61: 665-671. |