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 → Cirsium → Cirsium tweedyi (Rydb.) Petr.
2 chromosome counts in Cirsium tweedyi (Rydb.) Petr.:
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cirsium tweedyi (Rydb.) Petr. | Cirsium eatonii var. murdockii S. L. Welsh | 34 | IPCN65 | Moore & F. 1965 | ||
| ! | Cirsium tweedyi (Rydb.) Petr. | Cirsium eatonii var. murdockii S. L. Welsh | 34 | IPCN67-71 | OWNBEY, G.B., & Y-T. HSI. 1969. Chromosome numbers in some North American species of the genus Cirsium. II. Western United states. Madrono 20: 225-228. |