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Filtering by: Subject Arctostaphylos Resource Type Dissertation

Competitive interactions between Douglas-fir or ponderosa pine and whiteleaf manzanita

Creator:

White, Diane E.

Abstract:

Juvenile Douglas-fir, ponderosa pine, and whiteleaf manzanita growth in southwest Oregon varied with density of co-developing manzanita and presence of herbaceous cover. Plant xylem pressure potential and stomatal conductance of each species was responsive to competition-induced depletion of soil water. Rates varied among species. The best correlations with growth usually...

Resource Type:

Dissertation
Phytochemical investigation of Arctostaphylos columbiana Piper and Arctostaphylos patula Greene

Creator:

Constantine, George Harmon

Abstract:

There are numerous references in the literature concerning the use of various Arctostaphylos species as medicinal plants. One of the species, A. uva-ursi, was listed in the United States official compendia from 1820 until 1946 as a urinary antiseptic. Many species indigenous to the Pacific Northwest were employed by the...

Resource Type:

Dissertation