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FLORA OF EASTERN WASHINGTON AND ADJACENT IDAHO

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  • MONOCOT Taxa
    • Index by Family
    • Index by Genus
  • DICOT Taxa
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  • NON FLOWERING Taxa
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Polygonum douglasii

Taxonomy: Polygonaceae, Polygonum Category: Dicot

Scientific NamePolygonum douglasii Greene
FamilyPolygonaceae
Common NamesDouglas’ knotweed, Douglas’s knotweed
Eastern WashingtonNative
Conservation Status
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Polygonum douglasii
    Along Hwy 129 0.38 mi S of Field Springs State Pk; 46.08782N 117.17684W; Asotin Co., WA; 7/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    Along Hwy 129 0.38 mi S of Field Springs State Pk; 46.08782N 117.17684W; Asotin Co., WA; 7/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    Along Hwy 129 0.38 mi S of Field Springs State Pk; 46.08782N 117.17684W; Asotin Co., WA; 7/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    Along Hwy 129 0.38 mi S of Field Springs State Pk; 46.08782N 117.17684W; Asotin Co., WA; 7/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    Along Hwy 129 0.38 mi S of Field Springs State Pk; 46.08782N 117.17684W; Asotin Co., WA; 7/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    Along Hwy 129 0.38 mi S of Field Springs State Pk; 46.08782N 117.17684W; Asotin Co., WA; 7/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    Along Hwy 129 0.38 mi S of Field Springs State Pk; 46.08782N 117.17684W; Asotin Co., WA; 7/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/25/2012
  • Flora of Eastern Washington Image: Polygonum douglasii
    North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/25/2012
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