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 → Helenium → Helenium amarum (Raf.) H. Rock
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helenium amarum (Raf.) H. Rock | Helenium amarum (Raf.) H. Rock | 15(1) | Asteracea | Jackson, R. C. 1962 Madrono | |||
| ! | Helenium amarum | Helenium amarum (Raf.) H. Rock | 15(1) | Asteracea | Bierner 1989 Sida (= J. Bot. Res. Inst. Texas) | ||
| ! | Helenium amarum (Raf.) H. Rock | Helenium amarum (Raf.) H. Rock | 15(1) | Asteracea | Turner & E. 1960 Texas J. Sci. | ||
| Helenium amarum (Raf.) H. Rock | Helenium amarum (Raf.) H. Rock | 15 | IPCN online | JONES, K., K. Y. Lim & P. J. Cribb. 1982. The chromosomes of orchids VII. Dendrobium. Kew Bull. 37: 221–227. | |||
| Helenium amarum (Raf.) H. Rock | Helenium amarum (Raf.) H. Rock | 15 | IPCN online | Powell, A. M., D. W. KYHOS & P. H. Raven. 1975. Chromosome numbers in Compositee. XI. Helenieae. Amer. J. Bot. 62: 1100–1103. | |||
| Helenium amarum (Raf.) H. Rock | Helenium amarum (Raf.) H. Rock | 15 | 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. | |||
| ! | Helenium amarum (Raf.) H. Rock | Helenium amarum (Raf.) H. Rock | 30 | IPCN72 | GRASHOFF, J.L., M.W. BIERNER, & D.K. NORTHINGTON. 1972. Chromosome numbers in North and Central American Compositae. Brittonia 24: 379-394. | ||
| ! | Helenium amarum (Raf.) H. Rock | Helenium amarum (Raf.) H. Rock | 15 | IPCN72 | STROTHER, J.L. 1972. Chromosome studies in western North American Compositae. Amer. J. Bot. 59: 242-247. | ||
| ! | Helenium amarum | Helenium amarum (Raf.) H. Rock | 30 | eFlora | |||
| ! | Helenium amarum (Raf.) H. Rock | Helenium amarum (Raf.) H. Rock | 30 | Fedorov, 1974 | Turner, Ellison 196U |