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Creator:: Osborn, Katherine H., 1906-
Resource Type:: Masters Thesis
Full Text:: education. Leaflet 110. Britton, N. L. A list of state and local floras of the United States and British

Creator:: Ezell, Wayland Lee, 1937-
Abstract:: A biosystematic study was made in seven populations of Mimulus nanus Hook. & Arn. and M. cusickii (Greene) Piper (Scrophulariaceae) in central Oregon, and a taxonomic revision was made of the four species of section Eunanus reported from Oregon--M. nanus, M. cusickii, M. clivicola Greenm. and M. jepsonii Grant. Mimulus...
Resource Type:: Dissertation
Full Text:: -desert and montane habitats of the_ western United States, occurring in southern Washington, Oregon

Creator:: Dean, Milton Lee
Abstract:: A biosystematic investigation was undertaken in 15 species and three subspecies of the genus Aster, in western North America. Previous studies had been based entirely on external morphological features, and it was believed that much could be learned about the natural affinities of the taxa by exploring their cytological and...
Resource Type:: Dissertation
Full Text:: : Hood River Co., entrance to Starvation Cr. State Park. 443 Washington: Cowlitz Co., 1-2 mi. N of

Creator:: Irgens-Moller, Helge
Resource Type:: Dissertation
Full Text:: ) from United States Weather Bureau's station at Oregon State College, Corvallis 51 3. Average number of

Creator:: Anderson, Howard George
Abstract:: A study was undertaken in the Marys Peak watershed with the following objectives. First, a classification of the major plant communities was carried out. Second, some of the ecological features of Acer circinatum that account for its distribution within these communities were determined. The following plant communities are described: Corylus...
Resource Type:: Masters Thesis
Full Text:: Anderson A THESIS submitted to Oregon State University in partial fulfillment of the requirements

Creator:: Marquis, Robert John
Abstract:: Ecological factors associated with the relictual distribution of the endemic shrub Kalmiopsis leachiana (Ericaceae) were investigated. A prostrate evergreen species with small coriaceous leaves, K. leachiana is restricted to two disjunct populations in the Siskiyou Mountains and southern Cascade Mountains of southwestern Oregon, USA. Exact distributions of individual populations were...
Resource Type:: Masters Thesis
Full Text:: National Forest of the United States Forest Service also aided in numerous ways and are thanked as well

Creator:: Aller, Alvin Ray
Resource Type:: Dissertation
Full Text:: the United States, hackenzie's North American Cariceae besides numerous other keys, monographs of

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