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Bibliography <br /> - Aster curtus <br /> Alverson, E.R. 1983. Observations on the occurrence and status of Aster curtus Cronquist <br /> in Washington State. Unpubl. report on file at the Washington Natural Heritage <br /> Program. <br /> Alverson, E.R. 1991. New localities for Aster curtus in Western Oregon. Madrono <br /> 38(3):202 -203. <br /> Clampitt, C. Ecological life history of Aster curtus: Summary of results to date. <br /> Unpublished report. <br /> Clampitt, C.A. 1984. The ecological life history of Aster curtus, a grassland endemic in a <br /> forested region. Master's thesis, University of Washington. <br /> Clampitt, C.A. 1987. Reproductive biology of Aster curtus (Asteraceae), a Pacific <br /> Northwest endemic. Amer. J. Bot. 74:941 -946. <br /> Clampitt, C.A. 1993. Effects of human disturbances on prairies and the regional endemic <br /> Aster curtus in Western Washington. Northwest Science 67(3):163 -169. <br /> Washington Dept. of Natural Resources. 1987. Aster curtus status report. Olympia, WA. <br /> Erigeron decumbens var. decumbens <br /> Clark, D.L., K.K. Finley, and C.A. Ingersoll. 1993. Erigeron decumbens: Status report <br /> and monitoring program establishment. Proposal to Oregon Dept. of Agriculture. <br /> Corvallis, OR. <br /> Clark, D.L., K.K. Finley, and C.A. Ingersoll. 1993. Status report for Erigeron decumbens <br /> var. decumbens. Prepared for the Conservation Biology Program, Oregon Dept. of <br /> Agriculture, Salem, OR. <br /> Clark, D.L., K.K. Finley, and C.A. Ingersoll. 1994. Biological evaluation: Impact of West <br /> 11th St. - Garfield St. Project (West Eugene Parkway) on Erigeron decumbens var. <br /> decumbens. (Draft). Prepared for Oregon Dept. of Transportation, Environmental <br /> Section, Salem, OR. <br /> Clark, D.L., K.K. Finley, and C.A. Ingersoll. 1995. Regeneration biology of Erigeron <br /> decumbens var. decumbens, an endangered plant of the Willamette Valley. Oregon State <br /> University, Corvallis, OR. <br /> 18 <br />