| Polygonum shastense | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Polygonum |
| Species: | P. shastense
|
| Binomial name | |
| Polygonum shastense W.H.Brewer 1872
| |
Polygonum shastense is a species of flowering plant in the knotweed family known by the common name Shasta knotweed. It is native to sections of southwestern Oregon, northwestern Nevada, and northern and central California,[1] where it grows in rocky and gravelly mountainous habitat up to 3300 meters (11,000 feet) elevation.[2] It is most common in the Sierra Nevada.[3] The species name refers to its occurrence on Mount Shasta in Shasta County, California.[4]
- ^ Biota of North America Program 2014 county distribution map
- ^ Cite error: The named reference
Weedenwas invoked but never defined (see the help page). - ^ Calflora taxon report, University of California, Polygonum shastense A. Gray, Shasta knotweed
- ^ Brewer, William Henry. 1872. Proceedings of the American Academy of Arts and Sciences 8: 400, in footnote