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Polygonaceae
Polygonum
Polygonum majus
Polygonum majus
10% complete
Wiry knotweed
Piper 1901 -
C.V.Piper & R.K.Beattie, Fl. Palouse Reg.: 63 (1901)
Specifications
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Synonyms
Polygonum coarctatum var. majus
Meisn.
Polygonum coarctatum var. minus
Meisn.
Polygonum douglasii subsp. majus
(Meisn.) J.C.Hickman