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Threatened and Endangered Species

Threatened and Endangered Species

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  1. Increasing the abundance of rare native wetland prairie species

    Native prairies of the Willamette Valley are considered among the rarest of

  2. Demographic analysis of Erigeron decumbens var. decumbens, an endangered plant species of the Willamette Valley, Oregon: 1999...

    Erigeron decumbens var. decumbens, known only from the Willamette Valley of western

  3. Restoration of native upland prairies: Habitat for Fender’s blue butterfly (Icaricia icarioides fenderi)

    Our project goal is to promote the abundance of the endangered Fender’s blue butterfly

  4. Final report: Restoration of Fender’s blue butterfly and its prairie ecosystem: Management applications of fire to Baskett...

    We tested the recolonization ability of the Fender’s blue butterfly and monitored the vegetation

  5. Final Report: Controlling Tall Oatgrass in Fender’s Blue Butterfly Habitats

    We report final results from a five-year field experiment evaluating the effects of different

  6. Final report, year two: Control of Brachypodium sylvaticum and restoration of rare native upland prairie habitat at Butterfly...

    Our project goal is to protect and restore rare Willamette Valley upland prairie habitat

  7. Final report [year one]: Control of Brachypodium sylvaticum and restoration of rare native upland prairie habitat at...

    Our project goal is to protect and restore rare Willamette Valley upland prairie habitat

  8. Native plant revegetation at Butterfly Meadows (Benton County), habitat for the endangered Fender's blue butterfly

    Native prairies, which once dominated the landscape of the Willamette Valley, are

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