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CCDB → Angiosperms → Compositae → Vernonia → Vernonia lettermannii Enqelm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Vernonia lettermannii Enqelm. | Vernonia lettermannii Engelm. ex A. Gray | 17 | IPCN67-71 | JONES, S.B., JR. 1970. Chromosome numbers in Compositae. Bull. Torrey Bot. Club. 97: 168-174. |