| Classification | Asteraceae: Lactuca | 
| Harvard University Herbaria Barcode(s) | 01834286 | 
| Collector | R. W. Woodward | 
| Country | United States of America | 
| State | Colorado | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado | 
| Locality | Manitou | 
| Date Collected | 1883-08-11 | 
| Container | Colorado Flora | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/762f1730-f3d1-4de8-85f6-94c7ed5b6fab | 
| Harvard University Herbaria Barcode | 01834286 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Determination | Lactuca canadensis Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |