| Classification | Apocynaceae: Amsonia |
| Harvard University Herbaria Barcode(s) | 00004764 |
| Type Status | Isosyntype |
| Collector | F. I. X. Rugel |
| Country | United States of America |
| State | Florida |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Florida: Wakulla County |
| Locality | Near St. Marks |
| Date Collected | 1843-06-** |
| Habitat | In uliginosis |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/91a5a0fd-d9d8-48eb-b99e-b9c991babc7b |
| Harvard University Herbaria Barcode | 00004764 |
| Herbarium | GH |
| Family | Apocynaceae |
| Type Status | Isosyntype |
| Isosyntype of | Amsonia rigida Shuttleworth |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Amsonia rigida Shuttleworth) Fl. S.E. U.S. [Small] 1903. 935. |
| Family | Apocynaceae |
| Determination | Amsonia rigida Shuttleworth |
| Determined by | Williams, Justin Kirk |
| Date Determined | 1992 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |