| Classification | Asteraceae: Sonchus | 
| Harvard University Herbaria Barcode(s) | 00637594 | 
| Collector | N. F. Thayer | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County: Lancaster | 
| Locality | Lancaster | 
| Date Collected | 1907-09-02 [September 2, 1907] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/787b4c3c-6c86-4ac4-9c13-e0df44a188d6 | 
| Harvard University Herbaria Barcode | 00637594 | 
| Herbarium | NEBC | 
| Family | Asteraceae | 
| Determination | Sonchus oleraceus Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |