| Classification | Asteraceae: Bidens |
| Harvard University Herbaria Barcode(s) | 00241321 |
| Type Status | Syntype |
| Collector | R. Chalmers |
| Country | Canada |
| State | New Brunswick |
| Geography | North America: North America (CA, US, MX) (Region): Canada: New Brunswick: Restigouche County (New Brunswick): Campbellton |
| Date Collected | 1884-08-17 |
| Habitat | Swamps and ditches |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5b1d12da-28fb-4a20-b6f1-d06fb712743a |
| Harvard University Herbaria Barcode | 00241321 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Bidens frondosa Linnaeus |
| Determined by | M. L. Roberts |
| Date Determined | 1981 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Bidens melanocarpa Wiegand |
| Taxon Reference | (for Bidens melanocarpa Wiegand) Bull. Torrey Bot. Club 1899. 26: 405. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
