Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics
CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Angiosperms → Compositae → Helenium → Helenium quadridentatum Labill.
4 chromosome counts in Helenium quadridentatum Labill.:
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helenium quadridentatum Labill. | Helenium quadridentatum Labill. | 13(1) | Asteracea | Watson 1973 Southw. Naturalist | |||
| Helenium quadridentatum Labill. | Helenium quadridentatum Labill. | 13 | 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 quadridentatum Labill. | Helenium quadridentatum Labill. | 26 | IPCN72 | GRASHOFF, J.L., M.W. BIERNER, & D.K. NORTHINGTON. 1972. Chromosome numbers in North and Central American Compositae. Brittonia 24: 379-394. | |||
| Helenium quadridentatum Labill. | Helenium quadridentatum Labill. | 13 | IPCN73-74 | WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124. |