| Classification | Asteraceae: Cirsium | 
| Complex Object | This is a complex collection object (2 items with 1 preparation) | 
| Barcode(s) | <a href='specimen_search.php?barcode='>02172943</a> | 
<tr><td class='cap'>Other Barcodes on Sheet</td><td class='val'><a href='specimen_search.php?mode=details&barcode=02172942'>02172942</a></td></tr>| Collector | P. V. Krotkov | 
| Collector number | 9493 | 
| Country | Canada | 
| State | Ontario | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario | 
| Locality | [data not captured] | 
| Date Collected | 1934-07-13 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ff2343ff-4bf5-469e-a52d-9216bae7e738 | 
| Harvard University Herbaria Barcode | 02172943 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Determination |  Cirsium arvense (Linnaeus) Scopoli | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |