| Classification | Asclepiadaceae: Asclepias |
| Harvard University Herbaria Barcode(s) | 00993717 |
| Collector | G. B. Ownbey & F. Ownbey |
| Collector number | 2151 |
| Country | United States of America |
| State | Utah |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Utah: Emery County |
| Locality | 37.0 miles s.w. of Green River on road to Hanksville (Hwy. 24) |
| Date Collected | 1954-06-07 |
| Habitat | On small grass-bound hummocks, in rusty-red sand dune area |
| Frequency | Locally rare |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/508784eb-c97a-495b-a745-c494f48d2263 |
| Harvard University Herbaria Barcode | 00993717 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of the University of Minnesota Minneapolis |
| Family | Asclepiadaceae |
| Determination | Asclepias macrosperma Eastwood |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
