| Classification | Asteraceae: Eupatorium | 
| Barcode(s) | 02189943 | 
| Collector | J. W. Adams with [data not captured] | 
| Collector number | 549 | 
| Country | United States of America | 
| State | Pennsylvania | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Chester County | 
| Locality | along Chester Creek s. of Milltown | 
| Date Collected | 1926-09-11 | 
| Habitat | roadside bank | 
| Container | Southeastern Pennsylvania | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/47ccd8d9-71d1-44dd-8b1a-74e99d7ed307 | 
| Harvard University Herbaria Barcode | 02189943 | 
| Herbarium | GH | 
| Previous ownership | Ex The Academy of Natural Sciences of Philadelphia | 
| Family | Asteraceae | 
| Determination |  Eupatorium perfoliatum Linnaeus | 
| Determined by | Godfrey, Robert Kenneth | 
| Date Determined | 1971-05-31 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |