| Classification | Polygonaceae: Polygonum |
| Barcode(s) | 02238400 |
| Collector | [see remarks] |
| Collector number | 63708 |
| Country | Mexico |
| State | Baja California Norte |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Baja California Norte |
| Locality | Sierra San Pedro Mártir, 1.8 mi. S of Vallecitos on Upper Vallecitos Road. |
| Date Collected | 1988-08-27 |
| Verbatim Elevation | 2450.0 m |
| Habitat | Rocky N-facing slope in open Jeffrey pine forest. Along sandy flat and margin of sandy streamway. |
| Frequency | Locally abundant |
| Remarks | [collectors:] Robert F. Thorne, Paul Peterson, Carol Annable, Richard Noyes |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/975f6b64-6ac3-4f8a-8ea7-7526ad140733 |
| Harvard University Herbaria Barcode | 02238400 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of Rancho Santa Ana Botanic Garden (RSA) |
| Family | Polygonaceae |
| Determination | Polygonum douglasii Greene |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
