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Filtering by: Decade 1990-1999 Subject Endangered species

Regeneration biology of Erigeron decumbens var. decumbens, an endangered plant of the Willamette Valley

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