| Classification | Asteraceae: Lactuca | 
| Harvard University Herbaria Barcode(s) | 01620635 | 
| Collector | H. E. Ahles | 
| Collector number | 83727 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Hampshire County (Massachusetts): Northampton | 
| Locality | Roberts Meadow brook, Leeds | 
| Date Collected | 1977-07-14 | 
| Habitat | stream bank | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2ae45908-d7de-4432-a4f5-e0a0c201e4d7 | 
| Harvard University Herbaria Barcode | 01620635 | 
| Herbarium | NEBC | 
| Family | Asteraceae | 
| Determination | Lactuca canadensis Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |