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CCDB → Angiosperms → Compositae → Chrysolaena → Vernonia cognata Less.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Vernonia cognata Less. | Chrysolaena platensis (Spreng.) H. Rob. | ca 34+2-3B,34,ca 17,ca 33 | IPCN online | Jones, A. G. 1979. A study of wild leek, and the recognition of Allium burdickii (Liliaceae). Syst. Bot. 4: 29–43. | |||
| Vernonia cognata Less. | Chrysolaena platensis (Spreng.) H. Rob. | "26-27" | IPCN67-71 | COLEMAN, R. 1968. Chromosome numbers in some Brazilian Compositae. Rhodora 70: 228-240. |