Joe K Balciunas, joe@pw.usda.gov, USDA-ARS, Exotic & Invasive Weed Research Unit, Western Regfional Research center, 800 Buchanan St, Albany, CA and Eric Coombs, ecoombs@oda.state.or.us, Oregon Dept Agriculture, Weed Biocontrol Program, 635 Capitol Street, Salem, OR.
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Keywords: Oregon, risk reduction