| Classification | Asteraceae: Cirsium |
| Harvard University Herbaria Barcode(s) | 02021837 |
| Collector | Ern. P. Walker |
| Collector number | 452 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: San Miguel County |
| Locality | Norwood Hill |
| Date Collected | 1912-08-11 |
| Verbatim Elevation | 7000 |
| Habitat | Dry river bottoms |
| Container | Plants of Colorado |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/aa3fe81e-5acd-4784-9ce2-baa6dd7e42f7 |
| Harvard University Herbaria Barcode | 02021837 |
| Herbarium | GH |
| Previous ownership | From the Rocky Mountain Herbarium, University of Wyoming, Laramie |
| Family | Asteraceae |
| Determination | Cirsium tracyi (Rydberg) Petrak |
| Determined by | Ownbey, Gerald Bruce & Hsi, Yu-tseng |
| Date Determined | 1960 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
