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: 
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.
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