| Classification | Asteraceae: Bidens |
| Barcode(s) | 00589340 |
| Collector | B. T. Hamlin |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Medford |
| Locality | Mystic River Watershed, Middlesex Fells Reservation, west side of Whitmore Brook Trail, north of intersection with Cross Fells Trail |
| Georeference | 42° 26' 11" N, 71° 7' 34" W |
| Date Collected | 2010-08-25 |
| Habitat | flat open margin of Alluvial Red Maple Swamp and Shallow Emergent Marsh, full sun |
| Container | Plants of Massachusetts |
| Substrate | wet rich soil |
| Remarks | a few patches of plants scattered along 30 m. Hundreds of plants observed in large dense dominant patches from 2011-2013. Associates: Bidens connata, Echinochloa muricata, Persicaria punctata |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bae81d45-4914-4680-b35a-2935f9663f94 |
| Harvard University Herbaria Barcode | 00589340 |
| Herbarium | NEBC |
| Family | Asteraceae |
| Determination | Bidens cernua Linnaeus |
| Determination Remarks | [filed under] [label name] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
