| Classification | Asteraceae: Sonchus |
| Harvard University Herbaria Barcode(s) | 00637281 |
| Collector | H. I. Brown & F. C. Seymour |
| Collector number | 5420 |
| Country | United States of America |
| State | Rhode Island |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Rhode Island |
| Locality | Block Island |
| Date Collected | 1939-08-10 [10 Aug. 1939] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6698ee2b-2a2f-4cef-ae84-a6d724d1826a |
| Harvard University Herbaria Barcode | 00637281 |
| Herbarium | NEBC |
| Family | Asteraceae |
| Determination | Sonchus arvensis Linnaeus |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
