Problem thistles of Oregon Public Deposited

http://ir.library.oregonstate.edu/concern/administrative_report_or_publications/jq085k20z

Published December 2006. Reviewed July 2013. Please look for up-to-date information in the OSU Extension Catalog:  http://extension.oregonstate.edu/catalog

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  • These thistles are native to Europe and the Middle East. Some are not true thistles; for example, purple/Iberian and yellow starthistle actually are knapweeds. All of these plants, however, share a spiny, thorny, invasive nature and long-lasting, hard seed. These traits make people who use or manage land for recreation, wildlife, or livestock very concerned. We need to act now to protect Oregon’s precious agricultural and natural areas.
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  • description.provenance : Submitted by Sandy Reichhuber (sandy.reichhuber@oregonstate.edu) on 2010-10-19T22:55:59Z No. of bitstreams: 1 ec1288.pdf: 652455 bytes, checksum: 7307f03fd76eacc84d60a665b14fcbff (MD5)
  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2010-10-20T15:14:04Z (GMT) No. of bitstreams: 1 ec1288.pdf: 652455 bytes, checksum: 7307f03fd76eacc84d60a665b14fcbff (MD5)
  • description.provenance : Made available in DSpace on 2010-10-20T15:14:04Z (GMT). No. of bitstreams: 1 ec1288.pdf: 652455 bytes, checksum: 7307f03fd76eacc84d60a665b14fcbff (MD5) Previous issue date: 2006-12

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