| Classification | Apocynaceae: Amsonia |
| Barcode(s) | 02180786 |
| Collector | R. M. Stewart |
| Collector number | 2189 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | CaƱon del Curevo, Sierra Planchada 6 km. east of Esmeralda |
| Date Collected | 1941-10-25 |
| Habitat | clumps in and along arroyo |
| Frequency | frequent |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/afbe2629-5cd1-4e21-a925-d496b030b118 |
| Harvard University Herbaria Barcode | 02180786 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Amsonia longiflora var. salpignantha (Woodson) S. P. McLaughlin |
| Determined by | Lemke, David E. |
| Date Determined | 1985 |
| Determination Remarks | [current name] |
| Family | Apocynaceae |
| Determination | Amsonia longiflora Torrey |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |