Polygonum douglasii
Plantae | Caryophyllales | Polygonaceae | Polygonum | Polygonum douglasii
Polygonum douglasii
Greene
Angiosperms | Caryophyllales | Polygonaceae | Polygonum | Polygonum douglasii
| Juss. ex Bercht. & J. Presl | Juss. | L. | Greene