| Classification | Apocynaceae: Apocynum |
| Harvard University Herbaria Barcode(s) | 00967152 |
| Collector | H. D. Thoreau |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Aroostook County |
| Locality | E. Branch [Penobscot River, Grindstone Falls, Grindstone] |
| Date Collected | 1857 [[Aug. 1, 1857]] |
| Habitat | shore |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0505f4ba-c77c-4568-a004-c0571ad30cc1 |
| Harvard University Herbaria Barcode | 00967152 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | InQuestion Apocynum cannabinum Linnaeus |
| Determination Remarks | [is label name] [is Current name] |
| Subcollection | Thoreau Herbarium |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
