| Classification | Asteraceae: Cirsium |
| Harvard University Herbaria Barcode(s) | 02021916 |
| Collector | O. Degener |
| Collector number | 1,495 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming |
| Locality | Mammoth Hot Springs, Yellowstone Park [Yellowstone National Park] |
| Date Collected | 1919-08-12 |
| Habitat | Dry, sandy soil |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/293bf527-b4fd-434e-9922-73c1c4c6f09b |
| Harvard University Herbaria Barcode | 02021916 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of Otto Degener; Ex Herb. Arnold Arboretum, Harvard University |
| Family | Asteraceae |
| Determination | Cirsium undulatum (Nuttall) Sprengel |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
