| Classification | Asteraceae: Sonchus | 
| Harvard University Herbaria Barcode(s) | 00637606 | 
| Collector | F. C. Seymour & W. D. Countryman | 
| Collector number | 22227 | 
| Country | United States of America | 
| State | Rhode Island | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Rhode Island: Bristol County: Bristol | 
| Locality | Bristol | 
| Date Collected | 1964-08-29 [29 Aug 1964] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0eb4f415-aeef-4081-bef2-24363c6454cb | 
| Harvard University Herbaria Barcode | 00637606 | 
| Herbarium | NEBC | 
| Family | Asteraceae | 
| Determination | Sonchus oleraceus Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |