| Classification | Asteraceae: Sonchus |
| Harvard University Herbaria Barcode(s) | 00637368 |
| Collector | C. H. Knowlton |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Washington County: Calais |
| Locality | Calais |
| Date Collected | 1940-08-01 [Aug. 1, 1940] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/18dbe8ae-da85-4e3f-9e9e-6c52ba367867 |
| Harvard University Herbaria Barcode | 00637368 |
| Herbarium | NEBC |
| Family | Asteraceae |
| Determination | Sonchus arvensis subsp. uliginosus (M. Bieberstein) Nyman |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
