CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Apocynaceae → Amsonia → Amsonia tomentosa Torr. & Frém.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Amsonia brevifolia A. Gray | Amsonia tomentosa Torr. & Frém. | 22 | Cave1959 | C. Epling 1959 | |||
| ! | Amsonia brevifolia var. tomentosa (Torr. & Frém.) Jeps. | Amsonia tomentosa Torr. & Frém. | 22 | Cave1959 | Epling 1959 |