| Classification | Asteraceae: Cirsium |
| Harvard University Herbaria Barcode(s) | 02020280 |
| Collector | A. Hayden |
| Collector number | 10840 |
| Country | United States of America |
| State | Iowa |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Iowa: Clay County |
| Locality | [data not captured] |
| Date Collected | 1934-08-16 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/671d6cf0-bb05-49c5-9a3d-bf1d77cafb64 |
| Harvard University Herbaria Barcode | 02020280 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Cirsium arvense (Linnaeus) Scopoli |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
