| Classification | Asteraceae: Eupatorium | 
| Harvard University Herbaria Barcode(s) | 00753564 | 
| Collector | C. H. Knowlton | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Plymouth County: Plymouth | 
| Locality | Plymouth | 
| Date Collected | 1941-09-09 [Sept 9 1941] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1a556ed3-5617-440c-9634-1834a65b6a7c | 
| Harvard University Herbaria Barcode | 00753564 | 
| Herbarium | NEBC | 
| Family | Asteraceae | 
| Determination | Eupatorium perfoliatum Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |