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Centaurea nigra
lesser knapweed Aster Family
Centaurea nigra Asteraceae
--more--
common names
  lesser knapweed
  common knapweed
  black knapweed
accepted scientific name
  Centaurea nigra L.
rules for finding collection records
  Centaurea nigra (602)
family name
  Asteraceae
Image Author: ©2009 Julie Anne Workman
Image License: CC BY-SA
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is .6 to .7 inches
Leaf: Alternate
Plant Observed last week of May thru end of October
Invasive in WA

How Likely at this Location (20%)
Name Match (100%)
Plant Showiness (45%)
base map where plant found
mag select

Disturbed
grid lines base