| Classification | Asteraceae: Eutrochium | 
| Classification 1 | Asteraceae: Eupatorium | 
| Complex Object | This is a complex collection object (4 items with 1 preparation) | 
| Harvard University Herbaria Barcode(s) | 00872747 | 
| Other Barcodes on Sheet | ; ; ; | 
| Collector | H. D. Thoreau | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7dcd0474-1597-4599-8850-cebf40c2b704 | 
| Harvard University Herbaria Barcode | 00872747 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Determination | Eutrochium maculatum (Linnaeus) E. E. Lamont | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2017 | 
| Determination Remarks | [current name] | 
| Family | Asteraceae | 
| Determination | Eupatorium purpureum Linnaeus | 
| Determination Remarks | [label name] | 
| Subcollection | Thoreau Herbarium | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed | 
| Description | [whorled to top] |