Douglas' knotweed
Polygonum douglasii
Summary 2
Polygonum douglasii is a species of flowering plant in the knotweed family known by the common name Douglas's knotweed. It is native to much of northern and western North America, where it can be found in many types of habitat, including disturbed areas.
Sources and Credits
- (c) 2009 Barry Breckling, some rights reserved (CC BY-NC-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=304598&one=T
- (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Polygonum_douglasii
More Info
- iNat taxon page
- Biodiversity Heritage Library
- BOLD Systems BIN search
- Calflora
- CalPhotos
- eFloras.org
- Flora of North America (beta)
- Global Biodiversity Information Facility (GBIF)
- Go Botany
- GoBotany
- HOSTS - a Database of the World's Lepidopteran Hostplants
- IPNI (with links to POWO, WFO, and BHL)
- Jepson eFlora
- NatureServe Explorer 2.0
- OregonFlora.org
- SEINet Symbiota portals
- Tropicos
- USDA PLANTS database
- VASCAN by Canadensys
- World Flora Online
iNat Map
| 1. kingdom | Plants |
|---|---|
| 2. class | Flowering Plants |
| Color | purple, white |
| Park | Arkansas Headwaters |
