| Classification | Asclepiadaceae: Asclepias |
| Barcode(s) | 00076151 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Collector number | 1691 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: El Paso County: El Paso |
| Locality | N. Mex. |
| Remarks | [Field #22, 2nd coll., "19 July 1851, sides of mountains at Frontera" and #297, "6 May 1852, stony hills near Frontera, fl. light purple"] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/97c2122a-8d1c-478b-b7c4-db8084f03f05 |
| Harvard University Herbaria Barcode | 00076151 |
| Herbarium | GH |
| Previous ownership | Transferred from the Boston Society of Natural History to GH, Oct. 2, 1941 |
| Family | Asclepiadaceae |
| Type Status | Isolectotype |
| Isolectotype of | Asclepias macrotis Torrey |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [Lectotype: MO] |
| Taxon Reference | (for Asclepias macrotis Torrey) Rep. U.S. Mex. Bound., Bot. 1-20 Apr 1859. 164. |
| Family | Asclepiadaceae |
| Determination | Asclepias macrotis Torrey |
| Determination Remarks | [label name] [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
