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 → Helianthus → Helianthus canus (Britton) Wooton & Standl.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Helianthus canus (Britton) Wooton & Standl. | Helianthus petiolaris var. canescens A. Gray | 15-17II+0-4I(3) | Asteracea | Heiser 1965 Ann. Missouri Bot. Gard. | ||
| ! | Helianthus canus (Britton) Wooton & Standl. | Helianthus petiolaris var. canescens A. Gray | 17(1) | Asteracea | Solbrig et al. 1972 Amer. J. Bot. | ||
| ! | Helianthus canus (Britton) Wooton & Standl. | Helianthus petiolaris var. canescens A. Gray | 17 | IPCN72 | SOLBRIG, O.T., D.W. KYHOS, M. POWELL, & P.H. RAVEN. 1972. Chromosome numbers in Compositae VIII: Heliantheae. Amer. J. Bot. 59: 869-878. |