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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 1 to 3 of 3 (0.082 seconds)

Spelling suggestions: "subject:"purshia tridentate"" "subject:"arshia tridentate""

1

Ecology of bitterbrush (Purshia tridentata (Pursh) DC) in the Silver Lake Deer Winter Range, Oregon

Segura-Bustamante, Mariano 28 July 1969 (has links)
Graduation date: 1970
Forest ecology -- Oregon -- Lake County
Purshia tridentata
2

Ecological effects of post-wildfire management activities (salvage-logging and grass-seeding) on vegetation composition, diversity, biomass, and growth and survival of Pinus ponderosa and Purshia tridentata /

Sexton, Timothy Ogden. January 1998 (has links)
Thesis (M.S.)--Oregon State University, 1998. / Typescript (photocopy). Includes bibliographical references. Also available via the World Wide Web.
3

A comparison of the root systems of Bitterbrush and Cliffrose

Cline, Morris G. 01 September 1960 (has links)
A root study was undertaken to learn about bitterbrush (Purshia tridentata (Pursh) DC) and cliffrose (Cowania stansburiana torr.) to gain some clues, perhaps, as to the causes of their present distribution. In a period extending from July 1959 to July 1960, twenty-four plants were excavated on six different sites in the Wasatch foothill belt in Utah County, Utah. Root and some soil characteristics were analyzed, described and compared.
Morphology; Plant ecology
Utah
Life Sciences
Plant Sciences

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