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Creator:: United States. Forest Service
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: Washington, DC Threatened, Endangered & Sensitive Species Recovery & Conservation Action Plan April 1990

Creator:: United States. Forest Service
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: Partnerships 17 Marketing 21 Foreword Threatened, endangered, and sensitive (TES) species are some of the

Creator:: Clark, Deborah Louise, 1950-, Finley, Karen K., and Ingersoll, Cheryl A.
Abstract:: Erigeron decumbens var. decumbens, the Willamette daisy, is known only from the Willamette Valley of Oregon. Herbarium records, from the 1800's until 1934, indicate that the Willamette daisy was once common and widely distributed throughout the Willamette Valley (Clark et al. 1993). However, between 1934 and 1980, this taxon was...
Resource Type:: Technical Report
Full Text:: , AN ENDANGERED PLANT OF THE WILLAMETTE VALLEY Prepared by Deborah L. Clark Karen K. Finley Dr

Creator:: Windham, George, Wagner, Jan, Ruzicka, Angela, Clark, Deborah Louise, 1950-, Wilson, Mark V., and Lederman, Norman
Abstract:: One goal of this environmental education curriculum is that students will gain an appreciation of Willamette Valley wetland prairies, a threatened ecosystem, and will gain an understanding of the importance of protecting these wetlands. A second goal is that students will see first-hand the processes involved in conducting scientific field...
Resource Type:: Other
Full Text:: determining the number of dandelions? The area on the right represents a distribution of an endangered plant

Creator:: Wilson, Mark V., Ingersoll, Cheryl A., and Clark, Deborah Louise, 1950-
Abstract:: Seed size, abundance, viability, dormancy, and germination requirements strongly influence plant establishment and therefore are important considerations in restoration of native vegetation. These characteristics provide criteria for selection of suitable species, development of collection and pretreatment methods, and determination of seeding densities. The first set of objectives of this study...
Resource Type:: Technical Report

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