| Classification | Asclepiadaceae: Asclepias | 
| Harvard University Herbaria Barcode(s) | 00961054 | 
| Collector | B. C. Tharp | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Jackson County | 
| Locality | Lavaca River | 
| Date Collected | 1941-08-28 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7232abaa-0783-4043-bc2e-dda88d6286ca | 
| Harvard University Herbaria Barcode | 00961054 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium of The University of Texas | 
| Family | Asclepiadaceae | 
| Determination | Asclepias perennis Walter | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |