| Classification | Apocynaceae: Amsonia |
| Barcode(s) | 02180645 |
| Collector | R. D. Thomas |
| Collector number | 60406 |
| Country | United States of America |
| State | Louisiana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Louisiana: Winn County |
| Locality | Beside U.S. 167 just south of Tannehill, Sec. 27, T12N, R3W. |
| Date Collected | 1978-09-07 |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5fb089ba-5ead-4e68-b2d2-7a045f0ae59d |
| Harvard University Herbaria Barcode | 02180645 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Amsonia rigida Shuttleworth |
| Determined by | Seen for FNA by Linh Ngo & W.L. Applequist (MO), 2014 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |