21![Regional Integrated Weed Control Project: Okanogan County RAC Title II – Biological Control Agent Request Form – If you would like to be placed on a list to have biological control agents released on your land, pleas Regional Integrated Weed Control Project: Okanogan County RAC Title II – Biological Control Agent Request Form – If you would like to be placed on a list to have biological control agents released on your land, pleas](https://www.pdfsearch.io/img/d01cf3edbe66b17a6ea5c496cbde73ca.jpg) | Add to Reading ListSource URL: www.okanogancounty.orgLanguage: English - Date: 2013-02-13 17:19:35
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22![Microsoft Word - spotted knapweed for WI compressed.doc Microsoft Word - spotted knapweed for WI compressed.doc](https://www.pdfsearch.io/img/7d7656e1c8a888c5737c069641445205.jpg) | Add to Reading ListSource URL: ipcm.wisc.eduLanguage: English - Date: 2010-02-22 12:36:58
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23![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/ea16a3ffa6c5a6f4c0dd510af07e2d3c.jpg) | Add to Reading ListSource URL: www.na.fs.fed.usLanguage: English - Date: 2005-01-29 10:24:48
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24![Status of Biological Control Agents Used for Managing Invasive Plants in Colorado Compiled by Whitney Cranshaw Colorado State Extension August 22, 2009 Draft Status of Biological Control Agents Used for Managing Invasive Plants in Colorado Compiled by Whitney Cranshaw Colorado State Extension August 22, 2009 Draft](https://www.pdfsearch.io/img/9d3b8a1ae9fb25e5cf2d74b54af9c54a.jpg) | Add to Reading ListSource URL: bspm.agsci.colostate.eduLanguage: English - Date: 2013-03-12 17:43:58
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25![Spotted Knapweed Centaurea biebersteinii AKA: bushy knapweed Description: Biennial or short-lived perennial member of the aster family that can grow to nearly five feet. Alternate leaves are mostly deeply cut with very t Spotted Knapweed Centaurea biebersteinii AKA: bushy knapweed Description: Biennial or short-lived perennial member of the aster family that can grow to nearly five feet. Alternate leaves are mostly deeply cut with very t](https://www.pdfsearch.io/img/81047c2ae78138f60e1b6b39b56296b1.jpg) | Add to Reading ListSource URL: delawareinvasives.netLanguage: English - Date: 2011-11-04 14:57:46
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26![Biological agents will not eradicate the weed population because they depend on the weed for their life cycle. Insect species lay their eggs on these weeds and progress through their development while feeding on these we Biological agents will not eradicate the weed population because they depend on the weed for their life cycle. Insect species lay their eggs on these weeds and progress through their development while feeding on these we](https://www.pdfsearch.io/img/f8f158bb022f0ac22be74be1ff3d2503.jpg) | Add to Reading ListSource URL: www.okanogancounty.orgLanguage: English - Date: 2011-04-06 00:25:08
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27![Centaurea biebersteinii & nigra SP O T T E D ENGLISH NAMES SCIENTIFIC NAME Centaurea biebersteinii & nigra SP O T T E D ENGLISH NAMES SCIENTIFIC NAME](https://www.pdfsearch.io/img/ac5cc353520011fec63411c20a66fd03.jpg) | Add to Reading ListSource URL: www.goert.caLanguage: English - Date: 2012-06-26 19:23:15
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28![A Guide to Weeds in British Columbia SPOTTED DISTRIBUTION A Guide to Weeds in British Columbia SPOTTED DISTRIBUTION](https://www.pdfsearch.io/img/00e42f7caaa6ec02b4e1cc9d10a0feb1.jpg) | Add to Reading ListSource URL: www.weedsbc.caLanguage: English - Date: 2002-02-08 12:53:16
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29![Biological agents will not eradicate the weed population because they depend on the weed for their life cycle. Insect species lay their eggs on these weeds and progress through their development while feeding on these we Biological agents will not eradicate the weed population because they depend on the weed for their life cycle. Insect species lay their eggs on these weeds and progress through their development while feeding on these we](https://www.pdfsearch.io/img/5fdf40f947f04a29af2135c41aa6a296.jpg) | Add to Reading ListSource URL: okanogancounty.orgLanguage: English - Date: 2011-04-06 00:25:08
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30![Biology and Biological Control of Knapweed Biology and Biological Control of Knapweed](https://www.pdfsearch.io/img/29439a17518cf9cc6fe820e8b2e8e65f.jpg) | Add to Reading ListSource URL: www.cals.uidaho.eduLanguage: English - Date: 2010-03-16 19:32:00
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