| Classification | Asteraceae: Lactuca | 
| Harvard University Herbaria Barcode(s) | 01071783 | 
| Collector | M. A. Day | 
| Country | United States of America | 
| State | New Hampshire | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire | 
| Locality | East Andover | 
| Date Collected | 1903-08-21 [Aug. 21, 1903] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/30afac3a-08f7-4a5a-be94-e8a09a9f3c10 | 
| Harvard University Herbaria Barcode | 01071783 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Determination | Lactuca canadensis Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |