References: <br />1. Invasive Gardening and Landscaping Plants of the Southern Willamette Valley, Native Plant <br />Society of Oregon, Emerald Chapter, updated April 2002. <br />2. Oregon’s Quarantine Against Noxious Weeds, Oregon Department of Agriculture, from <br />http://www.oda.state.or.us/Plant/Weed_control/NoxWeedQuar.pdf accessed on 04/10/02. <br />3. Draft of Exotic Pest Plants of Greatest Ecological Concern in Oregon and Washington; May 23 <br />1997, The Pacific Northwest Exotic Pest Council, from http://www.wnps.org/eppclet.html <br />accessed on 04/10/02, <br />4. NW Oregon most harmful invasive plant species list: based on information provided at & before <br />the October 10, 2001 meeting in Salem BLM, Bureau of Land Management, Salem District, <br />2001. <br />5. City of Eugene staff recommendation based on resources required to remove species from parks, <br />open spaces and waterways. <br />Exhibit F to Ordinance No. 20351 Page <br />22 <br /> <br />