| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00062389 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Collector number | 1692 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Pecos County |
| Locality | N. Mex. [Leon Springs to the Limpio] |
| Date Collected | 1851-06-09 |
| Habitat | [Prairie-dog towns] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/38b77be3-8191-4508-b7a5-f490c261a70e |
| Harvard University Herbaria Barcode | 00062389 |
| Herbarium | GH |
| Previous ownership | Transferred from the Boston Society of Natural History to GH, Oct. 2, 1941 |
| Family | Asclepiadaceae |
| Determination | Asclepias brachystephana Engelmann ex Torrey |
| Determination Remarks | [is label name] |
| Family | Asclepiadaceae |
| Determination | Asclepias brachystephana Engelmann ex Torrey |
| Determined by | J. P. Therrien (KANU) |
| Date Determined | 1998-04-** |
| Determination Remarks | [is Current name] |
| Family | Asclepiadaceae |
| Type Status | Isolectotype |
| Isolectotype of | Asclepias brachystephana Engelmann ex Torrey |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [Lectotype: MO] |
| Taxon Reference | (for Asclepias brachystephana Engelmann ex Torrey) Rep. U.S. Mex. Bound., Bot. 1-20 Apr 1859. 163. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
