| Classification | Asteraceae: Ageratina |
| Harvard University Herbaria Barcode(s) | 01924542 |
| Collector | S. A. Thompson |
| Collector number | 1882 |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Fayette County |
| Locality | 6.2 mi SE of Farmington (jct. PA 381) on US 40: Markleysburg Bog & vicinity |
| Date Collected | 1984-08-25 |
| Verbatim Elevation | 710 m |
| Container | Plants of Pennsylvania |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2a884745-9cd0-4ee2-aea9-699932dadf5b |
| Harvard University Herbaria Barcode | 01924542 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium, Carnegie Museum (CM), Pittsburgh, PA. |
| Family | Asteraceae |
| Determination | Ageratina altissima (Linnaeus) R. M. King & H. Robinson |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
