| Classification | Asteraceae: Sonchus |
| Harvard University Herbaria Barcode(s) | 00637479 |
| Collector | F. C. Seymour |
| Collector number | 1808 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Dukes County: Oak Bluffs |
| Locality | Oak Bluffs |
| Date Collected | 1917-09-12 [12 Sept. 1917] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/40b706bf-0ef7-408a-b8cf-9834fedc44e2 |
| Harvard University Herbaria Barcode | 00637479 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Sonchus asper (Linnaeus) Hill |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
