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Vascular Plants of California
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Scientific Name

You searched for: "Polygonum douglasii"

Scientific NameCommon Name
Polygonum douglasiiDOUGLAS' KNOTWEEDNative
Polygonum douglasii subsp. austiniae
(Under Polygonum austiniae)		Synonym
Polygonum douglasii subsp. douglasii
(Under Polygonum douglasii)		Synonym
Polygonum douglasii subsp. johnstonii
(Under Polygonum sawatchense subsp. sawatchense)		Synonym
Polygonum douglasii subsp. majus
(Under Polygonum majus)		Synonym
Polygonum douglasii subsp. spergulariiforme
(Under Polygonum spergulariiforme)		Synonym
Polygonum douglasii var. johnstonii
(Under Polygonum sawatchense subsp. sawatchense)		Synonym
Polygonum douglasii var. latifolium
(Under Polygonum douglasii)		Synonym

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