| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00026934 |
| Type Status | Isotype |
| Collector | K. T. Hartweg |
| Collector number | 213 |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d12c8ab6-5b53-4968-be65-2e249da0b198 |
| Harvard University Herbaria Barcode | 00026934 |
| Herbarium | GH |
| Family | Asclepiadaceae |
| Determination | Asclepias contrayerba Sessé & Moçiño |
| Determined by | R. E. Woodson, Jr. |
| Date Determined | 1952 |
| Determination Remarks | [is Current name] |
| Family | Asclepiadaceae |
| Type Status | Isotype |
| Isotype of | Asclepias setosa Bentham |
| Taxon Reference | (for Asclepias setosa Bentham) Pl. Hartw. 24. |
| Subcollection | Wood collection |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Self |
| Preparation Method | Wood |
| Item Remarks | [mounted in center, with T. Coulter 991 on right] |
