Polygonum douglasii Greenerenouée de DouglasDouglas' knotweedCorrals; N of Rd 774T. ChisholmOpen meadow1511 mBalsamorhiza sagittata, Agoseris glauca, Campanula rotundifolia, Collomia linearis, Eriogonum umbellatu
Polygonum aviculare Linnaeusprostrate knotweed;yard knotweed;common knotweed;doorweed;knotgrassavicu... Read more
Artemisia douglasiana BesserDouglas' wormwood;Douglas' sagewort;northwest mugwortArtemisia douglasia... Read more
Polygonum ramosissimum Michauxbushy knotweed;yellow-flowered knotweed;tall knotweed;yellow knotweedr... Read more
Polygonum douglasii GreeneDouglas' knotweedrenouée de DouglasCorrals; N of Rd 774T. ChisholmOpen mea... Read more
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