| Classification | Asteraceae: Cirsium | 
| Harvard University Herbaria Barcode(s) | 01017650 | 
| 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: Ipswich | 
| Locality | Ipswich | 
| Date Collected | 1909-10-03 [Oct. 3, 1909] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b21d7e21-1a0b-4ac9-b0d6-6e807e3d4c0b | 
| Harvard University Herbaria Barcode | 01017650 | 
| Herbarium | NEBC | 
| Family | Asteraceae | 
| Determination | Cirsium discolor (Muhlenberg ex Willdenow) Sprengel | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |