| Classification | Apocynaceae: Apocynum |
| Harvard University Herbaria Barcode(s) | 02179590 |
| Collector | L. O. Williams & T. P. Williams |
| Collector number | 3687 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Park County |
| Locality | Clarks Fork of the Yellowstone River near mouth of Crazy Woman Creek, Shoshone National Forest |
| Date Collected | 1937-07-26 |
| Verbatim Elevation | 7,000 ft. |
| Habitat | On granite outcrop |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/efa5a214-9151-4572-a826-88dfca9c28f7 |
| Harvard University Herbaria Barcode | 02179590 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Apocynum androsaemifolium Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
