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*Duravia species 1 . Douglas’s Knotweed. Phen: Jun-Oct. Hab: Disturbed areas. Dist: Native of n. and w. North America, to n. Mexico (BCN, SON). Reported for VA in FNA.

Origin/Endemic status: Native

Synonymy: = Polygonum douglasii Greene – C, F, FNA5, GrPl, K3, K4, Mex, Mi, NE, NY, S13; > Polygonum douglasii Greene ssp. douglasii – K1

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU (name change)
  • Eastern Mountains and Piedmont: UPL (name change)
  • Great Plains: FACU (name change)
  • Midwest: FACU (name change)
  • Northcentral & Northeast: FACU (name change)

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image of plant© Ryan Durand, some rights reserved (CC BY), uploaded by Ryan Durand source CC-BY | Original Image ⭷
image of plant© Chloe and Trevor Van Loon, some rights reserved (CC BY), uploaded by Chloe and Trevor Van Loon source CC-BY | Original Image ⭷
image of plant© Brad Von Blon, some rights reserved (CC BY), uploaded by Brad Von Blon source CC-BY | Original Image ⭷
image of plant© Chloe and Trevor Van Loon, some rights reserved (CC BY), uploaded by Chloe and Trevor Van Loon source CC-BY | Original Image ⭷
image of plant© Chloe and Trevor Van Loon, some rights reserved (CC BY), uploaded by Chloe and Trevor Van Loon source CC-BY | Original Image ⭷

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