| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00364800 |
| Collector | R. T. Clausen & H. Trapido |
| Collector number | 4980 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Siskiyou County |
| Locality | west side of west fork of Mountainhouse Creek, 3 miles north-northeast of summit of Mt. Shasta |
| Date Collected | 1940-07-27 |
| Verbatim Elevation | 8000 feet |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d3df32ec-3ae2-4434-951f-6c399b83860a |
| Harvard University Herbaria Barcode | 00364800 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum shastense W. H. Brewer |
| Determination Remarks | [is filed under name] |
| Family | Polygonaceae |
| Determination | Polygonum shastense W. H. Brewer |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2005 |
| Determination Remarks | [0] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
