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Polygonum bidwelliae
Bidwell's knotweed Smartweed-Buckwheat Family
Polygonum bidwelliae Polygonaceae
common names
  Bidwell's knotweed
  Bidwell knotweed
accepted scientific name
  Polygonum bidwelliae S. Watson
rules for finding collection records
  Polygonum bidwelliae (106)
family name
Image Author: ©2007 George W. Hartwell
Image License: By permission
Image Source Image Source
Category: Wildflowers
Flowers: Five petals
Petal colors: color
Leaf: Alternate, Simple
Plant Observed 3rd week of March thru end of August

How Likely at this Location (12%)
Name Match (100%)
Plant Showiness (27%)
Links to Plant Photos
Cal Photos (18)
base map where plant found
mag select

Native Plant Status
native status map native status map
native Native
native Not Present

grid lines base