| Classification | Asteraceae: Eutrochium |
| Classification 1 | Asteraceae: Eupatorium |
| Barcode(s) | 00359355 |
| Collector | E. F. Williams |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Norfolk County |
| Locality | Blue Hills Reservation |
| Date Collected | 1895-08-25 |
| Project | Metropolitan Park Flora |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/697d1ae6-311f-49ea-88e5-244a6df53816 |
| Harvard University Herbaria Barcode | 00359355 |
| Herbarium | GH |
| Previous ownership | [Ex] Herbarium of Emile Francis Williams. Given to the Gray Herbarium, 1913. [Ex] Gray Herbarium Laboratory Collectioni |
| Family | Asteraceae |
| Determination | Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2013 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatorium purpureum var. maculatum (Linnaeus) Darlington |
| Determined by | [annotation on label] |
| Family | Asteraceae |
| Determination | Eupatorium purpureum Linnaeus |
| Determination Remarks | [label name] |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
