| Classification | Rosaceae: Physocarpus | 
| Harvard University Herbaria Barcode(s) | 01590594 | 
| Collector | L. O. Williams & T. P. Williams | 
| Collector number | 3308 | 
| Country | United States of America | 
| State | Wyoming | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Sheridan County | 
| Locality | Little Tongue River Canyon | 
| Date Collected | 1936-07-04 [July 4, 10, 1936] | 
| Verbatim Elevation | 7500 ft. | 
| Habitat | Dry rocky hillside | 
| Container | Flora of the Big Horn Mountains, Wyoming | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/40831e73-0090-46a9-b03b-71e159a937cf | 
| Harvard University Herbaria Barcode | 01590594 | 
| Herbarium | GH | 
| Family | Rosaceae | 
| Determination | Physocarpus monogynus (Torrey) J. M. Coulter | 
| Determined by | Oh, Sang-Hun | 
| Date Determined | 2002-09-** | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |