PNW432 IDENTIFICATIONIDENTIFICATIONIDENTIFICATIONIDENTIFICATION ofofof KnapweedsKnapweedsKnapweeds andandand StarthistlesStarthistlesStarthistles ininin thethethe PacificPacificPacific NorthwestNorthwestNorthwest A Pacific Northwest Extension Publication Washington • Oregon • Idaho ByCindyTalbottRoché,M.S.,formerWashingtonStateUniversity CooperativeExtensioncoordinator,andBenF.Roché,Jr.,Ph.D.,WSU CooperativeExtensionrangemanagementspecialist,deceased. IllustratedbyCindyRoché. PNWbulletinsareavailablefromcooperativeextensionofficesincounty seatsandfromthepublicationofficesattheland-grantuniversitiesin Idaho,Oregon,andWashington.Otherbulletinsareavailablefromthe publishingstate. Washington BulletinOffice CooperativeExtension WashingtonStateUniversity P.O.Box645912 Pullman,WA99164-5912 509-335-2857or1-800-723-1763FAX509-335-3006 email:
[email protected] web:http://pubs.wsu.edu Idaho AgriculturalPublications UniversityofIdaho P.O.Box442240 Moscow,Idaho83844-2240 208-885-7982FAX208-885-4648 Oregon ExtensionandStationCommunications OregonStateUniversity 422KerrAdministration Corvallis,Oregon97331-2119 541-737-2513FAX541-737-0817 email:
[email protected] web:http://eesc.orst.edu Montana ExtensionPublications MontanaStateUniversity Bozeman,MT59717 406-994-3273 Usepesticideswithcare.Applythemonlytoplants,animals,orsiteslisted onthelabel.Whenmixingandapplyingpesticides,followalllabelprecau- tionstoprotectyourselfandothersaroundyou.Itisaviolationofthelaw todisregardlabeldirections.Ifpesticidesarespilledonskinorclothing, removeclothingandwashskinthoroughly.Storepesticidesintheiroriginal