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![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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3![CMG GardenNotes #352 Weed Descriptions INDEX Bouncingbet, Saponaria officinalis, page 7 CMG GardenNotes #352 Weed Descriptions INDEX Bouncingbet, Saponaria officinalis, page 7](https://www.pdfsearch.io/img/d430af9f7b1a5ce35b398d111d41ccdf.jpg) | Add to Reading ListSource URL: www.ext.colostate.eduLanguage: English - Date: 2014-10-17 13:18:58
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4![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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5![Russian Knapweed Centaurea repens L. Identification: This perennial plant can grow up to 3 feet tall, erect, often in dense patches of upright single stems from widely spreading black roots which may go 8’ deep or more Russian Knapweed Centaurea repens L. Identification: This perennial plant can grow up to 3 feet tall, erect, often in dense patches of upright single stems from widely spreading black roots which may go 8’ deep or more](https://www.pdfsearch.io/img/8dcb8fcf3fbfa19e3cf09a28f9eaa31a.jpg) | Add to Reading ListSource URL: www.fws.govLanguage: English - Date: 2013-04-19 14:05:21
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6![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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7![SCHOOL WEEK #1 - Five Spotted Knapweed Discovery Interesting Facts SCHOOL WEEK #2 - Five Biological Control of Spotted Knapweed Discovery Interesting Facts ________________________________________________________________ SCHOOL WEEK #1 - Five Spotted Knapweed Discovery Interesting Facts SCHOOL WEEK #2 - Five Biological Control of Spotted Knapweed Discovery Interesting Facts ________________________________________________________________](https://www.pdfsearch.io/img/623d98c16a109a2362992674ca893c44.jpg) | Add to Reading ListSource URL: wiki.bugwood.orgLanguage: English - Date: 2012-04-07 12:32:53
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8![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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9![NATIVE RANGE: Central Europe, central Russia, Caucasia, and western Siberia. DESCRIPTION: Spotted knapweed, Centaurea biebersteinii DC. is a biennial or short-lived perennial member of the Sunflower (Asteraceae) family. NATIVE RANGE: Central Europe, central Russia, Caucasia, and western Siberia. DESCRIPTION: Spotted knapweed, Centaurea biebersteinii DC. is a biennial or short-lived perennial member of the Sunflower (Asteraceae) family.](https://www.pdfsearch.io/img/980eb91b648506be2d2051c4b555f806.jpg) | Add to Reading ListSource URL: na.fs.fed.usLanguage: English - Date: 2005-01-29 10:24:48
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10![Invasive Plants in Pennsylvania Black, Brown and Spotted Knapweed Centaurea nigra L., C. jacea L. and C. stoebe L. spp. micranthos Photo: Patrick Alexander, www.polyploid.net Invasive Plants in Pennsylvania Black, Brown and Spotted Knapweed Centaurea nigra L., C. jacea L. and C. stoebe L. spp. micranthos Photo: Patrick Alexander, www.polyploid.net](https://www.pdfsearch.io/img/b7ce2259abdf30b1a783bd5d54f1088e.jpg) | Add to Reading ListSource URL: www.dcnr.state.pa.usLanguage: English - Date: 2013-02-04 11:15:58
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