| Barcode(s) | 02005171 | 
| Collector | J. A. Ewan | 
| Collector number | 18187 | 
| Country | United States of America | 
| State | Colorado | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Mineral County | 
| Locality | Summit of Wolf Creek Pass, San Juan Mts. | 
| Date Collected | 1949-08-02 | 
| Verbatim Elevation | 10,850 ft. | 
| Habitat | Summit of Pass | 
| Container | Plants of Colorado | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a7d24419-bc3d-4c1e-8846-3116d87d5414 | 
| Harvard University Herbaria Barcode | 02005171 | 
| Herbarium | GH | 
| Previous ownership | Distributed by Tulane University Herbarium, New Orleans | 
| Determination |  Rumex densiflorus Osterhout | 
| Determined by | Dawson, John Ernest | 
| Date Determined | 1979 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |