| Classification | Apocynaceae: Amsonia |
| Harvard University Herbaria Barcode(s) | 02180785 |
| Collector | I. M. Johnston |
| Collector number | 9397 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | north slope of Sierra Planchada along road north from Esmeralda |
| Date Collected | 1941-09-25 |
| Habitat | rocky bench along arroyo |
| Frequency | local |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/aca9e58c-5c60-4bb2-b791-ec64b6eb92b5 |
| Harvard University Herbaria Barcode | 02180785 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Amsonia longiflora Torrey |
| Determination Remarks | [is filed under name] |
| Family | Apocynaceae |
| Determination | Amsonia longiflora var. longiflora |
| Determined by | Lemke, David E. |
| Date Determined | 1985 |
| Determination Remarks | [0] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
