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Centaurea nigrescens
Tyrol knapweed Aster Family
Centaurea nigrescens Asteraceae
common names
  Tyrol knapweed
  short-fringed knapweed
accepted scientific name
  Centaurea nigrescens Willd.
rules for finding collection records
  Centaurea dubia (10)
  Centaurea nigrescens (217)
  Centaurea transalpina (27)
  Centaurea vochinensis (29)
family name
Image Author: ©2008 Keir Morse
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is about 0.8 inches
Leaf: Alternate, Basal
Plant Observed 2nd week of June thru 1st week of November
Invasive in CO, ID, OR, WA

How Likely at this Location (16%)
Name Match (100%)
Plant Showiness (54%)
base map where plant found
mag select

grid lines base