Seed zones and breeding zones for Sugar Pine in southwestern Oregon /

Natural range of variation for yellow pine and mixed-conifer forests in northwestern California and southwestern Oregon /
by: Bohlman, Gabrielle N., et al.
Published: (2021)

A Ponderosa pine-lodgepole pine spacing study in central Oregon : results after 20 years /
by: Seidel, Kenneth W.
Published: (1989)

Pocket guide to the improved grading system for ponderosa pine and sugar pine saw logs in trees.
Published: (1969)

Geographic variation in survival, growth, and fusiform-rust infection of planted loblolly pine /
by: Wells, Osborn O.
Published: (1966)

Grading sugar pine saw logs in trees /
by: Henley, John W.
Published: (1972)

Genetic variation in seedling progeny of ponderosa pine provenances /
by: Read, Ralph A., 1916-
Published: (1980)

Growth of lodgepole pine thinned to various densities on two sites with differing productivities in central Oregon /
by: Cochran, P. H.
Published: (1999)

A ponderosa pine-grand fir spacing study in central Oregon : results after 10 years /
by: Seidel, Kenneth W.
Published: (1985)

Geographic variation in speed of seed germination in central Oregon ponderosa pine (Pinus ponderosa Dougl. ex Laws.) /
by: Weber, John C.

AUTOSAW simulations of lumber recovery for small-diameter Douglas-fir and Ponderosa pine from southwestern Oregon /
Published: (2003)

Resistance of ponderosa pine to western dwarf mistletoe in central Oregon /
by: Scharpf, Robert F., 1931-
Published: (1992)

Evaluation of approaches for managing nitrate loading from on-site wastewater systems near La Pine, Oregon /
by: Morgan, David S.
Published: (2007)

Biomass and nutrient distributions in central Oregon second-growth Ponderosa pine ecosystems.
by: Little, Susan N.
Published: (1995)

Direct seeding of southern pines : a regeneration alternative /
by: Williston, Hamlin L.
Published: (1983)

Seasonal recovery of chlorotic needles in Scotch pine, by Jerry K. Jones.
by: Jones, Jerry K.
Published: (1971)

Genetic variation and seed zones of douglas-fir in the Siskiyou National Forest /
by: Campbell, Robert Kenneth, 1927-
Published: (1993)

Plant associations of the central Oregon pumice zone /
by: Volland, Leonard A.
Published: (1985)

Specific gravity variation in Mississippi pines /
by: Wheeler, P. R., et al.
Published: (1962)

Guidelines for forage resource evaluation within central Oregon pumice zone /
by: Volland, Leonard A.
Published: (1985)

Longleaf pine site zones /
by: Craul, Phillip J., 1932-
Published: (2005)

Longleaf pine site zones /
by: Craul, Phillip J., 1932-
Published: (2005)

The mammals and life zones of Oregon /
by: Bailey, Vernon, 1864-1942
Published: (1936)

Effects of Arceuthobium americanum on twig growth of Pinus contorta /
by: Broshot, Nancy
Published: (1986)

Ammonites from the Buchia zones in northwestern California and southwestern Oregon /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989, et al.
Published: (1970)

Bend Pine Nursery.
Published: (1985)

Maps showing geology and geochemical sample localities, Pine Creek (RARE II) area, Harney County, Oregon /
by: Walker, George Walton, 1921-
Published: (1980)

Soil compaction and initial height growth of planted ponderosa pine /
by: Cochran, P. H.
Published: (1985)

The status of whitebark pine along the Pacific Crest National Scenic Trail on the Umpqua National Forest /
Published: (2002)

Plant association and management guide for the Ponderosa pine, Douglas-fir, and Grand fir zones : Mount Hood National Forest /
by: Topik, Christopher
Published: (1988)

Dispersal of lodgepole pine seed into clear-cut patches /
by: Dahms, Walter G.
Published: (1963)

The status of whitebark pine along the Pacific Crest National Scenic Trail on the Umpqua National Forest /
Published: (2002)

Southwestern pine tip moth /
by: Jennings, Daniel T.
Published: (1982)

Evaluation of native plant seeds and seeding in the east-side central Cascades ponderosa pine zone /
by: Vance, Nan C.
Published: (2010)

Evaluation of native plant seeds and seeding in the east-side central Cascades ponderosa pine zone /
by: Vance, Nan C.
Published: (2010)

Should ponderosa pine be planted on lodgepole pine sites? /
by: Cochran, P. H.
Published: (1984)

Adaptive variation in Pinus ponderosa from intermountain regions.
by: Rehfeldt, G. E.
Published: (1986)