Range plant community types and carrying capacity for the montane subregion : fifth approximation - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Public Lands Division, 2003)

Range plant community types and carrying capacity for the montane subregion : fourth approximation - Willoughby, Michael, 1959 - (Alberta Environment, Lands and Forest Services, 2001)

Range plant community types and carrying capacity for the montane subregion : second approximation - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Lands and Forest Services, 1997)

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)

Rapid ecological assessment of selected state lands in southcentral Montana for plant species of special concern - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1993)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1980)

Rare bryophytes of Oregon - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, Salem District, 2016)

Rare plant inventory of the East Pioneer Mountains, U.S.D.A. Forest Service, Region 1, Beaverhead National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alanwold Nurseries, 1947)

Rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alanwold Nurseries, 1940)

Rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alanwold Nurseries, 1950)

Rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alanwold Nurseries, 1945)

Rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alanwold Nurseries, 1941)

Rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alanwold Nurseries, 1949)

Rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alanwold Nurseries, 1948)

Rare plants 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alanwold Nurseries, 1952)

Rasmussen's Fruit Farm and Nurseries, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rasmussen's Fruit Farm and Nurseries, 1931)

Rasmussen's Fruit Farm and Nurseries, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rasmussen's Fruit Farm and Nurseries, 1932)

Rasmussen's Fruit Farm and Nurseries, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rasmussen's Fruit Farm and Nurseries, 1933)

Ravinia Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.D. Clavey & Sons, 1926)

Ravinia Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.D. Clavey & Sons, 1927)

Reading Naturalist. Reading - Reading Natural History Society.

The Reading Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1898)

Reading Nursery [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob W. Manning, 1907)

Recent research on foliage diseases : conference proceedings : Carlisle, Pennsylvania, May 29-June 2, 1989 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1990)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1987)

Recovery plan for the northern spotted owl - draft - U.S. Fish; Wildlife Service ([U.S. Department of the Interior], 1992)

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)

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)

Reduced prices effective July 1, 1921 - Harrison's Nurseries (Berlin, Md.) (Harrisons', 1921)

Reforesting Pennsylvania's waste land - Conklin, William Gardiner, 1886 - (W.S. Ray, state printer, 1916)

Regeneration in mixed conifer partial cuttings in the Blue Mountains of Oregon and Washington - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1983)

Regeneration of ponderosa pine in the northern Rocky Mountain-Intermountain Region - Foiles, Marvin W. (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1973)

Regiones terrestres prioritarias de México - Aguilar Zúñiga, Claudia (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2000)

The Relation of insects to slash disposal - United States. Bureau of Entomology. Division of Forest Insect Investigations. (U.S. Dept. of Agriculture, 1927)

The relation of Valsa Kunzei to cankers on conifers - Waterman, Alma M. (Alma May),‏ ‎ 1893 - (Northeastern Forest Experiment Station, Forest Insect and Disease Laboratory, 1955)

Relations between inside and outside bark diameter at breast height for Douglas-fir in northern Idaho and northwestern Montana - Intermountain Forest; Range Experiment Station (Ogden, Utah) (USDA Forest Service, Intermountain Forest and Range Experiment Station, 1979)

Relations between western white pine site index and tree height of several associated species - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1965)

Relative resistance of tree seedlings to excessive heat - Bates, Carlos G. (Carlos Glazier), 1885 -1949 (U.S. Dept. of Agriculture, 1924)

Relative resistance of various conifers to injection with creosote - Teesdale, Clyde Harry. (U.S. Dept. of Agriculture, 1914)

Release of a thinned budworm-infested Douglas-fir/ponderosa pine stand - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1985)

Reliably hardy evergreens for fall planting : autumn 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1915)

Reliably hardy evergreens for fall planting : autumn 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1916)

Remote sensing for brush encroachment : landsat monitoring of brush encroachment in fescue grasslands of southwest Alberta - Alberta Remote Sensing Center. (Alberta Remote Sensing Center, 1984)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1894)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1919)

Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1905)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1914)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1926)

Report for the years ... - Pennsylvania. Department of Forestry. (Harrisburg Pub. Co., state printer, 1904)

Report of marine borer conference - University of Miami. Marine Laboratory. (1953)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1925)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1929)

Report of the Dominion Entomologist - Canada. Department of Agriculture. Entomology Research Institute (1915)

Report of the entomologist - United States. Bureau of Entomology. (Gov't print. off, 1931)

Report of the Folkestone Natural History Society - Folkestone Natural History Society. (1950)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1909)

Report on forests - Geological Survey of New Jersey. (MacCrellish & Quigley, 1900)

Report on the conservation status of Arabis fecunda, a candidate threatened species - Lesica, Peter. (Montana Natural Heritage Program, 1993)

Report on the conservation status of Cirsium longistylum, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

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 Penstemon lemhiensis, a candidate threatened species : Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Report on the conservation status of Shoshonea pulvinata, a candidate threatened species - Lesica, Peter. (Montana Natural Heritage Program, 1988)

Report on the flora of western and southern Texas - Havard, Valery, 1846 -1927 (1885)

Report on the forest conditions of the Rocky Mountains, and other papers; with a map showing the location of forest areas on the Rocky Mountain range - United States. Department of Agriculture. (Govt. Print. Off, 1889)

Report on the forest conditions of the Rocky Mountains, and other papers : with a map showing the location of forest areas on the Rocky Mountain Range - United States. Division of Forestry. (Dept. of Agriculture, Forestry Division, 1888)

Report on the forest conditions of the Rocky Mountains, and other papers; with a map showing location of forest areas on the Rocky Mountain range (Govt. print. off, 1888)

Report on the forest wealth of Canada - Johnson, George, 1837 -1911 (S.E. Dawson, 1895)

Report on the forests of British East Africa - Hutchins, D. E. (David Ernest), 1850 -1920 (Printed for His Majesty's Stationery Off. by Darling, 1909)

Report on the forests of North America, exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Govt. Print. Off, 1884)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Govt. print. off, 1884)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (G.P.O, 1884)

Report on the Natal forests - Fourcade, Henry George, 1865 -1948 (s.n.], 1889)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1889)