California Native Plant Link Exchange
PLANT INFORMATION

Polygonum sawatchense ssp. sawatchense - Knotweed


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2009 Barry Breckling

2019 Susan McDougall

2009 Barry Breckling
Calflora Taxon Report
Lifeform:
Annual, Perennial herb
Family:
Polygonaceae
Wetland:
unlikely (FACU)

Parent species:
Polygonum sawatchense

Synonyms:
Polygonum douglasii ssp. johnstonii
Polygonum douglasii var. johnstonii
Polygonum exile
Polygonum triandrum

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