| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00076144 |
| Type Status | Isolectotype |
| Collector | F. J. Lindheimer |
| Collector number | Fasc. II. 272 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Austin County |
| Locality | [On the Mill Creek west of the Brazos] |
| Date Collected | 1844-07-** |
| Substrate | [Black clayey soil] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/44f52c7c-90fc-48d6-abd7-6bdd54627d9a |
| Harvard University Herbaria Barcode | 00076144 |
| Herbarium | GH |
| Previous ownership | ex Herb. John A. Lowell, transferred from the Boston Society of Natural History to GH, Oct. 2, 1941 |
| Family | Asclepiadaceae |
| Determination | Asclepias longicornu Bentham |
| Determination Remarks | [pencil annotation on sheet] |
| Family | Asclepiadaceae |
| Determination | Asclepias lindheimeri Engelmann & A. Gray |
| Determination Remarks | [is Current name] |
| Family | Asclepiadaceae |
| Determination | Asclepias oenotheroides Chamisso & Schlechtendal |
| Determined by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [is Current name] |
| Family | Asclepiadaceae |
| Type Status | Isolectotype |
| Isolectotype of | Asclepias lindheimeri Engelmann & A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [cited as "T.: Lindheimer 272, MO!" LT: MO] |
| Taxon Reference | (for Asclepias lindheimeri Engelmann & A. Gray) Boston J. Nat. Hist. 1845. 5: 250. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
