| Classification | Asteraceae: Lactuca | 
| Barcode(s) | 01834145 | 
| Collector | J. Macoun | 
| Country | Canada | 
| State | Ontario | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario: Ottawa | 
| Locality | [data not captured] | 
| Date Collected | 1894-08-08 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c69aed9c-2c5d-476f-b209-7ec7daafca1d | 
| Harvard University Herbaria Barcode | 01834145 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Determination |  Lactuca biennis (Moench) Fernald | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |