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Download Spotted Knapweed *Established in Michigan*
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Transcript
Spotted Knapweed (Centaurea stoebe) *Established in Michigan* Identification: An herbaceous, bushy, perennial plant growing 2-3 feet Elongated, bluish- or grayish-green leaves divided into lance-shaped lobes. Pinkish-purple flowers are thistle-like and bloom from July through September Long, stout tap-root can send shoots to start new plants Seeds are carried on fine, white tufts emerging from the flower base. Habitat: Often found in open fields or scrub-shrub areas with poor soils or sands and also in disturbed areas, hay fields and pastures Bruce Ackley, The Ohio State University, Bugwood.org Native Range: Eurasia U. S. Distribution: Throughout most of the U.S. and Canada Local Concern: Spotted knapweed is poisonous to other plants, creating barren areas where only knapweed grows. It is a threat to pastures and dry ecosystems including prairies and dunes. Can be a skin irritant. Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Report this species at www.misin.msu.edu or download the MISIN smartphone app and report it from your phone