| Classification | Apocynaceae: Apocynum |
| Harvard University Herbaria Barcode(s) | 02179588 |
| Collector | Ced. L. Porter |
| Collector number | 3949 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Weston County |
| Locality | In Yellow Pine woods near Upton |
| Date Collected | 1946-07-03 |
| Habitat | Growing in dark gray Graneros shale. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/79181ab0-73d6-4a35-a546-b7b51d906cff |
| Harvard University Herbaria Barcode | 02179588 |
| Herbarium | GH |
| Previous ownership | [ex] The Rocky Mountain Herbarium, University of Wyoming, Laramie |
| Family | Apocynaceae |
| Determination | Apocynum androsaemifolium Linnaeus |
| Determined by | Porter, Cedric Lambert |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |