favicon Wildflower Identification Website.        Search for wildflowers by location, color, shape and time.       Click here for Instructions.       Login
Search Results
Centaurea nigra
lesser knapweed Aster Family
Centaurea nigra Asteraceae
common names
  lesser knapweed
  common knapweed
  black knapweed
accepted scientific name
  Centaurea nigra L.
rules for finding collection records
  Centaurea nigra (602)
family name
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 (21%)
Name Match (100%)
Plant Showiness (45%)
base map where plant found
mag select

grid lines base