California Native Plant Link Exchange
PLANT INFORMATION

Fallopia japonica - Japanese knotweed

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Lifeform:
Perennial herb 		Family:
Polygonaceae 		Wetland:
unlikely (FACU) 		Not Native
invasive weed
What plants grow with Fallopia japonica ?

New Names:
Polygonum cuspidatum

Synonyms:
Polygonum cuspidatum
Reynoutria japonica
Tiniaria japonica

Distribution

Counties:
Alameda
Butte
Contra Costa
Del Norte
Humboldt
Los Angeles
Marin
Mendocino
Nevada
Plumas
Santa Cruz
San Francisco
San Luis Obispo
Shasta
Siskiyou
Sonoma

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