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Rhaponticum repens
Russian knapweed Aster Family
Rhaponticum repens Asteraceae
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common name
  Russian knapweed
accepted scientific name
  Rhaponticum repens (L.) Hidalgo
rules for finding collection records
  Rhaponticum repens (12)
  Acroptilon repens (994)
  Centaurea repens (460)
family name
  Asteraceae
Image Author: ©2007 Patrick Alexander
Image License: CC BY-NC-ND
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color color
Flower size is .5 to .6 inches
Leaf: Alternate
Plant Observed 2nd week of April thru 1st week of November
Native to Eurasia. Noxious weed in MT, OR.

How Likely at this Location (41%)
Name Match (100%)
Plant Showiness (63%)
base map where plant found
mag select

Disturbed
Riparian
Grassland
Desert
grid lines base