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CCDB → Angiosperms → Apocynaceae → Amsonia → Amsonia ludoviciana Small
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Amsonia ludoviciana Small | Amsonia ludoviciana Small | 11 | IPCN online | Lemke, D. E. 1987. Chromosome Number Reports 96. Taxon 36: 659. |