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•Cooperative Agreement. In 1992, the Corps, TNC, and BLM entered into a cooperative <br /> agreement that provides a vehicle for the three agencies to provide resources, expertise, and <br /> funding for research and management of native prairie ecosystems and rare species. <br /> Individual projects are accomplished by means of separate task orders under this cooperative <br /> agreement. <br /> II Other Agencies. A number of other agencies have management or regulatory responsibility <br /> for rare native prairie species in the west Eugene area. These include the Oregon Dept. of <br /> Transportation, which manages state highway rights -of -way containing rare native prairie <br /> species; Lane County Dept. of Public Works, which manages county road rights -of -way <br /> containing rare native prairie species; the Oregon Dept. of Agriculture, which administers the <br /> state endangered plant laws; and the U.S. Fish and Wildlife Service, which administers <br /> federal endangered species laws. <br /> Section _ of this strategy will focus on ways to coordinate and prioritize recovery efforts <br /> among the agencies and organizations with management responsibility and /or regulatory <br /> authority over rare native prairie species in west Eugene. <br /> Species Descriptions <br /> The following information has been compiled from a number of sources, including previously <br /> prepared status reports and unpublished research reports. The morphological descriptions are <br /> largely from Vascular Plants of the Pacific Northwest (Hitchcock et al., 1955- 1969). <br /> Population information is based upon files and information on specific element occurrence <br /> records (EOR's) in the Oregon Natural Heritage Data Base. An FOR usually describes a <br /> single population, though in some cases a single large population spread out over several <br /> ownerships may be entered into the ONHP Data Base under two or more EOR's. <br /> 1) Scientific name: Aster curtus Cronquist <br /> Common name: White -top aster <br /> Family: Asteraceae <br /> Status: ONHDB List 1 (threatened with extinction throughout its range) <br /> Federal: Species of Concern <br /> State: Candidate <br /> BLM: Bureau sensitive <br /> Geographic distribution: Willamette Valley, Oregon to the Puget Trough of Washington <br /> and southern Vancouver Island, British Columbia. In Oregon A. curtus is known from <br /> Clackamas, Lane, Linn, Marion, and Polk counties (extant populations) as well as historical <br /> collections from Multnomah Co. that are presumed extirpated. There are 29 EOR's for <br /> 3 <br />