| Classification | Asteraceae: Cirsium | 
| Harvard University Herbaria Barcode(s) | 01017647 | 
| Collector | C. H. Knowlton | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Essex | 
| Locality | Essex | 
| Date Collected | 1909 [October, 1909] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/442e4087-842f-46d4-aa4f-5c571e9d984a | 
| Harvard University Herbaria Barcode | 01017647 | 
| Herbarium | NEBC | 
| Family | Asteraceae | 
| Determination | Cirsium discolor (Muhlenberg ex Willdenow) Sprengel | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |