| Classification | Apocynaceae: Apocynum | 
| Barcode(s) | 02179598 | 
| Collector | G. B. Ownbey | 
| Collector number | 456 | 
| Country | United States of America | 
| State | Wyoming | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Crook County | 
| Locality | 7 miles NW of Hulett. | 
| Date Collected | 1938-06-24 | 
| Habitat | In oak thicket. | 
| Container | Plants of Wyoming | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/91f30718-408b-4e48-a707-5d8459af2e87 | 
| Harvard University Herbaria Barcode | 02179598 | 
| Herbarium | GH | 
| Family | Apocynaceae | 
| Determination |  Apocynum androsaemifolium Linnaeus | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |