| Classification | Asteraceae: Eupatorium |
| Barcode(s) | 02190516 |
| Collector | M. L. Fernald & B. H. Long |
| Collector number | 11449 |
| Country | United States of America |
| State | Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia: Suffolk (Virginia) |
| Locality | Blackwater River, Cox Landing, south of South Quay |
| Date Collected | 1939-09-22 |
| Habitat | Swampy woods at Muddy tidal margin |
| Container | Flora of Southeastern Virginia |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d8ac7885-e638-4184-889d-fba82681147a |
| Harvard University Herbaria Barcode | 02190516 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Eupatorium semiserratum de Candolle |
| Determined by | Godfrey, Robert Kenneth |
| Date Determined | 1939-09-22 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |