Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1897)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1900)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1901)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1902)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1904)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1905)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1906)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1908)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1910)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Research natural areas in Colorado, Wyoming, Nebraska, North Dakota, South Dakota, and parts of Wyoming - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994)

The reseeding of depleted grazing lands to cultivated forage plants - Sampson, Arthur W. (Arthur William), 1884 -1967 (U.S. Dept. of Agriculture, 1913)

Resource management report - Ontario. Fish; Wildlife Branch.

Restoration guidelines for wetlands of the western Prairie Pothole Region - United States. Environmental Protection Agency. (Montana Natural Heritage Program, 2012)

Restoration of rough fescue grassland on pipelines in southwestern Alberta - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Rangeland Management Branch, Public Lands and Forests Division, 2006)

Restoration of sand prairie in Illinois : seed banks and existing vegetation June 2005-2006 final report - Illinois. Department of Natural Resources. (Illinois Natural History Survey, 2007)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Retail catalogue : garden seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sioux City Seed and Nursery Co, 1902)

Retail list of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Co, 1902)

Retail list of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Co, 1905)

Retail list of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Co, 1909)

Retail list of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Co, 1904)

Retail list of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1907)

Retail list of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Co, 1906)

Retail list of seeds, 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Co, 1901)

Retail list of seeds : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1924)

Retail list of seeds : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1926)

Retail list of seeds, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1929)

Retail list of seeds, bulbs, plants, poultry supplies, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1930)

Retail list of seeds, bulbs, plants, poultry supplies, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed & Mercantile Company, 1931)

Retail price list [of] fruit, shade and ornamental trees, vines and shrubs : fall, 1924-spring, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albany Nurseries, 1924)

Retail price list of seeds. 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Press, 1917)

Retail price list of seeds. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Press, 1918)

Retail price list of seeds, 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Co, 1913)

Retail price list of seeds : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1916)

Retail price list of seeds : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1920)

Retail price list of seeds : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1921)

Retail price list of seeds : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1922)

Retail price list of seeds : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1923)

Retail price list of seeds : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1925)

Retail [price] list of seeds : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1928)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1916)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1918)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1920)

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1922)

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1923)

Review of forage losses caused by rangeland grasshoppers - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1977)

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

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1963)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1976)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1892)

Revue générale de botanique (Libraire générale de l'enseignement, 1911)

Revue générale des sciences pures et appliquées ([s.n.], 1896)

Revue horticole (Librairie agricole de la maison rustique, 1882)

Revue mycologique (Bureaux de la rédaction, 1903)

Rezulʹtaty obsli︠e︡dovanii︠a︡ rastitelʹnosti na zemelʹnom uchastki︠e︡ Ekaterinoslavskoĭ Oblastnoĭ Selʹsko-Khozi︠a︡ĭstvennoĭ Opytnoĭ Stant︠s︡īi v 1912-1915 g. = The results of the Investigations of the Vegetativeness on the Territory of the Provincial Station at Ekaterinoslav in 1912-1915 year - Shevelev, I., (Tipo-Litografīi︠a︡ Ekaterininskoĭ zheli︠e︡znoĭ dorogi, 1917)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1909)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1941)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1944)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1946)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1953)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1950)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1961)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1963)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1995)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1996)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1997)

ri ben de zi ran zi yuan 日本的自然资源 - Ackerman, Edward A. (Edward Augustus), 1911 -1973 (shang wu yin shu guan 商务印书馆, 1959)

Rio Grande corridor proposed coordinated resource management plan and final environmental impact statement - United States. Bureau of Land Management. (U.S Department of the Interior, Bureau of Land Management, Albuquerque District, Taos Resource Area, 1998)

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)

Rivista di biologia (Università di Perugia, etc, 1922)

Robert S. Griswold's 1931 catalog [of] seeds and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robt. S. Griswold Seed & Floral Co, 1931)

Rock River area assessment - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 1996)

Rocky Mountain front grizzly bear monitoring and investigation - Aune, Keith, 1954 - (Montana Dept. of Fish, Wildlife and Parks, 1982)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1979)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1980)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1982)

Root development in the grassland formation, a correlation of the root systems of native vegetation and crop plants - Weaver, John E. (John Ernest),‏ ‎ 1884 -1966 (Carnegie inst. of Washington, 1920)

Root development of field crops - Weaver, John E. (John Ernest),‏ ‎ 1884 -1966 (McGraw-Hill book company, inc, 1926)

Rootrots and leafspots of grains and grasses in the northern Great Plains and western states - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1946)

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

Ross Bros. Co. 1914 [catalog of] vegetable, grass and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1914)

Ross Bros. Co. seeds and annual agricultural goods [catalog] : spring 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1911)

Ross Brothers 1910 seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Seed House, 1910)

Rostlinnictví : cili Návod k snadnému urcení a pojmenování rostlin v Cechách, Morave a jiných zemích Rakouského mocnárství domácích - Sloboda, Daniel. (V kommissí u Fr. Rivnáce, 1852)

Routledge Seed and Floral Co. : 1914 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1914)

Runoff and erosion control by seeded and native vegetation on a forest burn : Black Hills, South Dakota - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970)

Rural California - Wickson, Edward J. (Edward James), 1848 -1923 (The Macmillan company, 1923)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1889)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1894)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1895)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1896)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1897)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1898)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1899)