Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1937)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1941)

Rocky Mountain rarities from Colorado : plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1945)

Rocky Mountain wild flowers - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, National Museums of Canada, 1974)

The Rocky Mountain wonderland - Mills, Enos A., 1870 -1922 (Houghton Mifflin company, 1915)

The Rocky Mountain wonderland - Mills, Enos A., 1870 -1922 (Houghton Mifflin Company, 1915)

Root distribution of some native trees and understory plants growing on three sites within ponderosa pine watersheds in Colorado - United States. Forest Service. (Rocky Mountain Forest and Range Experiment Station, 1958)

Rooting habits of selected commercial tree species of the eastern United States : a bibliography - Every, Leanne. (G.P.O, 1980)

Rooting Western White Pine, Pinus Monticola Dougl., Needle Fascicles and Branch Cuttings (1980) - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1980)

Roots of forest trees : a selected list of references - California Forest; Range Experiment Station. (California Forest and Range Experiment Station, 1949)

Routt national forest, Colorado. United States Department of agriculture, Forest service, Rocky mountain region, Denver, Colorado ... - United States. Forest Service. Rocky Mountain Region. (U. S. Govt. print. off, 1941)

Roy Carter, Seedsman : wholesale list to trade only, summer – 1961 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy Carter Seedsman, 1961)

The Royal Botanic Garden Edinburgh 1670-1970 - Fletcher, Harold R. (Her Majesty's Stationery Office, 1970)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1870)

Russula, Gomphidius, Lepiota and fungous flora of Mt. Hood and higher Rockies - Kauffman, C. H. (Calvin Henry), 1869 -1931 (1918)

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Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 1999)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2001)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2002)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2004)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2009)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2010)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2011)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2017)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2019)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2023)

Sagebrush conservation strategy : challenges to sagebrush conservation - U.S. Fish; Wildlife Service (U.S. Geological Survey, 2021)

Salmon-Challis National Forest noxious weed management program : final environmental impact statement - United States. Forest Service. (U.S. Forest Service, 2003)

Sand Pine Symposium : proceedings, December 5-7, 1972, Panama City Beach, Florida - Southeastern Forest Experiment Station (Asheville, N.C.) (USDA Forest Service, Southeastern Forest Experiment Station, 1973)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1947)

Science - American Association for the Advancement of Science. ([s.n.], 1900)

Science - American Association for the Advancement of Science. ([s.n.], 1905)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1913)

Science and industry - Commonwealth Institute Of Science; Industry. (Commonwealth Institute of Science and Industry, 1920)

Science progress (John Murray, 1919)

Science progress (John Murray, 1922)

The Scientific basis for conserving forest carnivores : American marten, fisher, lynx, and wolverine in the western United States - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1976)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1990)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2003)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2009)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2016)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2019)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2020)

The Scottish naturalist (T. Buncle & Co. [etc.], 1957)

A screening procedure to evaluate air pollution effects in Region 1 wilderness areas, 1991 - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1997)

Sea Level timber sale : draft environmental impact statement. Vol. I - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Tongass National Forest, 1998)

Seasonal forage use by deer and elk on the Starkey Experimental Forest and Range, Oregon - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1971)

Seed and bulb manual for Season 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Brunning, 1903)

Seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cox Seed and Plant Co, 1899)

Seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cox Seed and Plant Co, 1902)

Seed annual, 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cox Seed and Plant Co, 1901)

Seed buyers guide for commercial growers : shrub - tree - flower seed and grower's supplies 1962 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy Carter Seedsman, 1962)

Seed production of central Oregon ponderosa and lodgepole pines - Barrett, James W. (James Willis), 1922 - (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975)

Seed, tree & nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. R. Strong Company, 1892)

Seedfall and establishment of Engelmann spruce in clearcut openings : a case history - Alexander, Robert R. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1969)

Seeding and planting; a manual for the guidance of forestry students, foresters, nurserymen, forest owners, and farmers - Toumey, James W. (James William), 1865 -1932 (Wiley, 1916)

Seeding and planting; a manual for the guidance of forestry students, foresters, nurserymen, forest owners, and farmers - Toumey, James W. (James William), 1865 -1932 (J. Wiley & sons, inc.; [etc.,etc.], 1916)

Seeding and planting; a manual for the guidance of forestry students, foresters, nurserymen, forest owners, and farmers - Toumey, James W. (James William), 1865 -1932 (J. Wiley & Sons; [etc., etc.], 1916)

Seeding southern Idaho rangelands - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1964)

Seeds for the nurseryman and forester : spring 1947, spring planting offer, early order items - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1947)

Seeds native to the Pacific Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl S. English, Jr, 1947)

Select extra-tropical plants : readily eligible for industrial culture or naturalization, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (J. Ferres, 1885)

Select extra-tropical plants, readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (T. Richards, government printer, 1881)

Select extra-tropical plants readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (Off. of the superintendent of government printing, 1880)

Select extra-tropical plants readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (Off. of the Superintendent of Government Printing, 1880)

Select extra-tropical plants readily eligible for industrial culture or naturalization, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (G.S. Davis, 1884)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (C. Troedel and Co, 1891)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (1895)

Select extra-tropical plants readily eligible for Victorian industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (J. Ferres, 1885)

Select nursery stock : wholesale price list, September 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Doty & Doerner, Inc, 1944)

Select plants readily eligible for industrial culture or naturalisation in Victoria - Mueller, Ferdinand von, 1825 -1896 (Printed for the government of Victoria by McCarron, Bird & co, 1876)

Self-fertility of a central Oregon source of Ponderosa pine - Sorensen, Frank C. (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1970)

Semi-annual report on essential oils, synthetic perfumes, &c - Schimmel & Co. (Schimmel & Co, 1913)

Semi-annual report on essential oils, synthetic perfumes, &c - Schimmel & Co. (Schimmel & Co, 1914)

Sen lin you hai dong wu bian lan - Chen, Changming. (Ke xue chu ban she, 1957)

Sendtnera : Mitteilungen der Botanischen Staatssammlung und des Instituts für Systematische Botanik der Universitat München - Botanische Staatssammlung München. (Botanische Staatssammlung München, 1999)

Sensitive plant species inventory in the Centennial Valley, Beaverhead County, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1993)

Sensitive plant survey in the Horse Prairie Creek drainage, Beaverhead County, Montana, Butte District, Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1995)

Sensitive plant survey in the Sweetgrass Hills, Liberty and Toole Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1994)

Sensitive plant survey in the Tendoy Mountains, Beaverhead County, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant survey in the Tobacco Root Mountains, Madison County, Montana, Beaverhead and Deerlodge National Forests - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Sensitive plant survey of the Tendoy Mountains, in the Beaverhead National Forest, Beaverhead County, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Sensitive plant surveys, 1989 : U.S. Forest Service, Region 1, Gallatin National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1989)

Sensitive plant surveys in the Big Belt and Elkhorn Mountains, U.S.D.A. Forest Service, Region 1, Helena National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1993)

Sensitive plant surveys in the Bull River and adjacent drainages, U.S.D.A. Forest Service, Region 1, Kootenai National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1929)

Service bulletin - United States. Forest Service. (Forest Service, U.S. Dept. of Agriculture, 1919)

Seventh report : National Steering Committee for Management of Western Defoliators - United States. Forest Pest Management. (USDA Forest Service, Forest Pest Management, 1994)

sheng tai hua xue qian yan - kong chui hua lou yong gen (gao deng jiao yu chu ban she, 2010)

A short flora of Berwickshire - Braithwaite, Michael E. (M.E. Braithwaite, 2014)

Should ponderosa pine be planted on lodgepole pine sites? - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1984)

Sierra Club bulletin - Sierra Club. (Sierra Club, 1913)

Significant ecological features inventory of the Lesser Slave Lake integrated resource planning area - Bentz, Jerry A. (GEOWEST Environmental Consultants Ltd, 1993)

Silva Balcanica - Institut Za Gorata (Bŭlgarska Akademii︠a︡ Na Naukite), (Forest Research Institute - Bulgarian Academy of Sciences (FRI-BAS), 2020)

Silva Balcanica - Institut Za Gorata (Bŭlgarska Akademii︠a︡ Na Naukite), (Forest Research Institute - Bulgarian Academy of Sciences (FRI-BAS), 2022)

Silva Balcanica - Institut Za Gorata (Bŭlgarska Akademii︠a︡ Na Naukite), (Forest Research Institute - Bulgarian Academy of Sciences (FRI-BAS), 2024)

The silva of North America :a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin and company, 1897)

The silva of North America :a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin and company, 1898)

The silva of North America :a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin and company, 1902)

The silva of North America a description of the tree which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1897)

The silva of North America a description of the tree which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1898)

The silva of North America a description of the tree which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1902)

Silvical characteristics of Canadian trees - Toronto (Ont.) Faculty of Forestry (University of Toronto, Foresters' Club, 1915)

Silvical characteristics of Canadian trees (The Club, 1915)

Silvical characteristics of Canadian trees - University of Toronto. Faculty of Forestry. (University of Toronto, Foresters' Club, 1915)

Silvical characteristics of Engelmann spruce - Alexander, Robert R. (USDA, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984)

Silvical characteristics of subalpine fir - Alexander, Robert R. (1984)

Silvicultural systems - Troup, Robert Scott, 1874 -1939 (Clarendon Press, 1928)