| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00076127 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Collector number | 1690 |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Locality | N. Mex. [between Lake Guzman and Frontera] |
| Date Collected | 1852-04-23 |
| Habitat | [Sandhills] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ec647faf-77d4-416b-87f5-00a0e2a6efa7 |
| Harvard University Herbaria Barcode | 00076127 |
| 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 involucrata Engelmann ex Torrey |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [Lectotype: MO] |
| Taxon Reference | (for Asclepias involucrata Engelmann ex Torrey) Rep. U.S. Mex. Bound., Bot. 1-20 Apr 1859. 163. |
| Family | Asclepiadaceae |
| Determination | Asclepias involucrata Engelmann ex Torrey |
| Determination Remarks | [label name] [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
