Range plant community types and carrying capacity for the subalpine and alpine subregions : first approximation - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Lands and Forest Services, 1999)

Range plants of Arizona and New Mexico : names, symbols and notations - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S.D.A, 1958)

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Range-wide status assessment of cirsium longistylum (long-styled thistle) - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2004)

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Recreational trampling effects on six habitat types in western Montana - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Red rot of ponderosa pine - Andrews, Stuart R., 1910 - (U.S. Dept. of Agriculture, Forest Service, 1955)

Redband trout (Oncorhynchus mykiss gairdneri) : population and stream habitat surveys in western Owyhee County, Idaho - Allen, Dale B. (U.S. Department of the Interior, Bureau of Land Management, Idaho State Office, 1997)

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Reducing stand densities in immature and mature stands, Applegate Watershed, Southwest Oregon - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, USDA Forest Service, 1996)

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Regeneration of white spruce, with reference to interior Alaska : a literature review - Zasada, John C. (Pacific Northwest Forest and Range Experiment Station, Institute of Northern Forestry, U.S. Dept. of Agriculture, 1969)

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Relationship of shoot-root ration to survival and growth of outplanted Douglas-fir and ponderosa pine seedlings - Beebe, T. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976)

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Report on the conservation status of Grindelia howellii, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1986)

Report on the conservation status of Howellia aquatilis, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

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Resistance of ponderosa pine to the gouty pitch midge (Cecidomyia piniinopis) - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1988)

Response of elk to Exxon's field development in the Riley Ridge area of western Wyoming, 1979-1990 - Wyoming. Game; Fish Dept. (Hayden-Wing Associates, 1990)

Response of juvenile raptors to DDT in the diet - Seidensticker, John. (1966)

Response of ponderosa pine seeds to light - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1977)

Responses of birds and small mammals to single-tree selection logging in Idaho - Intermountain Research Station (Ogden, Utah) (U.S.D.A. Forest Service, Intermountain Research Station, 1989)

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Results of field surveys for Allotropa virgata in the Beaverhead and Deerlodge National Forests - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1992)

Review and comparison of site evaluation methods - Jones, John R. (John Robert), 1926 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1969)

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Revised checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1997)

Revised range management program for the Challis grazing unit - United States. Bureau of Land Management. (Dept. of the Interior, Bureau of Land Management, Idaho State Office, 1978)

Revision of Phoenicocoris Reuter with descriptions of three new species from North America and a new genus from Japan (Heteroptera, Miridae, Phylinae) - Schwartz, Michael D. (American Museum of Natural History, 2004)

A revision of the Encalyptaceae (musci) with particular reference to the North American taxa - Horton, Diana G. (University of Alberta, Dept. of Botany, 1981)

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Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1973)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1969)

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The rhabdocline needle cast of Douglas fir - Brandt, Robert William. (State University College of Forestry, 1960)

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Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1978)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1984)

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Riparian and wetland community inventory of 14 reference areas in southwestern Idaho - United States. Bureau of Land Management. (Bureau of Land Management, Idaho State Office, 1998)

Riparian and wetland plant associations of southwestern Idaho : with a focus on the Bureau of Land Management's Lower Snake River District - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, National Science and Technology Center, Information and Communications Group, 2001)