1![New Invasive Plants of the Midwest Fact Sheet SPOTTED KNAPWEED Centaurea biebersteinii Description: Spotted knapweed is a short-lived perennial herb. First year plants form low-growing rosettes. It has flowering, New Invasive Plants of the Midwest Fact Sheet SPOTTED KNAPWEED Centaurea biebersteinii Description: Spotted knapweed is a short-lived perennial herb. First year plants form low-growing rosettes. It has flowering,](https://www.pdfsearch.io/img/ab7f89ee85cc0e3557412bf17266c89d.jpg) | Add to Reading ListSource URL: bugwoodcloud.orgLanguage: English - Date: 2015-07-30 08:25:34
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2![DIFFUSE KNAPWEED BROCHURE.pub DIFFUSE KNAPWEED BROCHURE.pub](https://www.pdfsearch.io/img/1647a454401973984a5ad23bece70314.jpg) | Add to Reading ListSource URL: www.grantcountyweedboard.orgLanguage: English - Date: 2013-05-06 17:38:39
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3![Microsoft Word - Brown knapweed.doc Microsoft Word - Brown knapweed.doc](https://www.pdfsearch.io/img/8c566b0a83eb8bff9e865964a988107d.jpg) | Add to Reading ListSource URL: www.invasive.orgLanguage: English - Date: 2006-11-07 12:00:14
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4![Microsoft Word - Spotted knapweed.doc Microsoft Word - Spotted knapweed.doc](https://www.pdfsearch.io/img/16d25cd1b3224e49e9e26be2ac373117.jpg) | Add to Reading ListSource URL: www.invasive.orgLanguage: English - Date: 2006-11-07 14:07:14
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5![Microsoft Word - DIFFUSE KNAPWEED-r.doc Microsoft Word - DIFFUSE KNAPWEED-r.doc](https://www.pdfsearch.io/img/a764ca11f0d4a07771c84081792b0e9d.jpg) | Add to Reading ListSource URL: www.nd.govLanguage: English - Date: 2011-09-14 12:01:59
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6![C THE CASCADIA CONSERVATION DISTRICT onservation C THE CASCADIA CONSERVATION DISTRICT onservation](https://www.pdfsearch.io/img/1dffc6db613df9a325e59e6150ff29a8.jpg) | Add to Reading ListSource URL: cascadiacd.orgLanguage: English - Date: 2011-03-25 19:32:35
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7![Spotted Knapweed Centaurea biebersteinii DC. = Centaurea maculosa Lam. Identification: A perennial, this plant sends several branched upright stems from a “lacy” rosette with a central taproot. Usually 2-4’ tall. F Spotted Knapweed Centaurea biebersteinii DC. = Centaurea maculosa Lam. Identification: A perennial, this plant sends several branched upright stems from a “lacy” rosette with a central taproot. Usually 2-4’ tall. F](https://www.pdfsearch.io/img/93d52f3e0568c043c7802f0109a79d7a.jpg) | Add to Reading ListSource URL: www.fws.govLanguage: English - Date: 2013-04-19 14:06:22
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8![Weed alert: Knapweeds …have you seen these plants? Black knapweed. Photo: Jim Dellow Knapweeds (Centaurea species) are members of the thistle family, but unlike other thistles, knapweeds have no spines on Weed alert: Knapweeds …have you seen these plants? Black knapweed. Photo: Jim Dellow Knapweeds (Centaurea species) are members of the thistle family, but unlike other thistles, knapweeds have no spines on](https://www.pdfsearch.io/img/cd7cad3b8301e31bdc55661e186c868e.jpg) | Add to Reading ListSource URL: www.dpi.nsw.gov.auLanguage: English - Date: 2013-06-03 21:29:35
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9![Why Reduced Seed Production is Not Necessarily Translated Into Successful Biological Weed Control Why Reduced Seed Production is Not Necessarily Translated Into Successful Biological Weed Control](https://www.pdfsearch.io/img/bc0d5e95727e5e2a8fa1bc3124b3f51f.jpg) | Add to Reading ListSource URL: www.invasive.orgLanguage: English - Date: 2002-02-28 16:18:03
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10![University of Nebraska–Lincoln Extension EC173 (Revised Januay[removed]Spotted and Diffuse University of Nebraska–Lincoln Extension EC173 (Revised Januay[removed]Spotted and Diffuse](https://www.pdfsearch.io/img/123a8054c7109953bcce0dc53ed103ae.jpg) | Add to Reading ListSource URL: www.neweed.orgLanguage: English - Date: 2014-04-15 12:19:32
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