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Rhaponticum repens
Russian knapweed Aster Family
Rhaponticum repens Asteraceae
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
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

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