| Classification | Apocynaceae: Amsonia |
| Harvard University Herbaria Barcode(s) | 02180766 |
| Collector | B. H. Warnock |
| Collector number | T383 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Brewster County |
| Locality | south of Marathon |
| Date Collected | 1938-04-20 |
| Habitat | along highway |
| Container | Texas Plants |
| Frequency | Infrequent |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9914eb35-8ee9-4ad8-8ff2-e89af83b4a28 |
| Harvard University Herbaria Barcode | 02180766 |
| Herbarium | GH |
| Previous ownership | [ex] The University of Texas Herbarium |
| Family | Apocynaceae |
| Determination | Amsonia tomentosa var. stenophylla Kearney & Peebles |
| Determined by | Lemke, David E. |
| Date Determined | 1985 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |