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)

Riparian zone associations : Deschutes, Ochoco, Fremont, and Winema National Forests - United States. Forest Service. Pacific Northwest Region. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1987)

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

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1896)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1905)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1912)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1915)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1920)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1890)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1903)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1906)

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

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Rocky mountain flowers; an illustrated guide for plantlovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (the H.W. Wilson company, 1914)

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

Rocky Mountain wild flower studies; an account of the ways of some plants that live in the Rocky Mountain region - Longyear, Burton Orange, 1868 - (Merchants Publishing Co, 1909)

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)

The romance of plant life, interesting descriptions of the strange and curious in the plant world - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. B. Lippincott, 1907)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1921)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1930)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1940)

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)

Root-knot and its control - Bessey, Ernst Athearn, 1877 -1957 (Govt. print. off, 1911)

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)

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 Bros. Co seeds, implements, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Company, 1929)

Ross' seed grows, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1930)

Ross' seed grows, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1931)

Ross seeds, 1843-1943 : our 100th Anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1943)

Ross' seeds, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Co, 1946)

Ross seeds, farm equipment, dairy and poultry supplies, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1939)

Ross seeds, farm machinery, poultry supplies, insecticides, fertilizers and tools, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1942)

Ross seeds, farm machinery, poultry supplies, insecticides, fertilizers and tools : 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1938)

Ross seeds, farm machinery, poultry supplies, insecticides, fertilizers, tools : 1937 edition - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1937)

Ross seeds, farm machinery, poultry supplies, insecticides, fertilizers, tools, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1934)

Ross seeds, fertilizers, farm machinery, insecticides, tools, poultry supplies for 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1935)

Ross seeds, fertilizers, farm machinery, insecticides, tools, poultry supplies for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1936)

Ross' seeds for 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1933)

Ross seeds for 1944 : for health and victory, plant a garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Company, 1944)

Ross seeds for 1945 victory garden, farm machinery, poultry supplies, insecticides, fertilizers and tools - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Company, 1945)

Ross seeds of quality, spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1951)

Ross seeds of quality, spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1952)

Ross' superior seeds, 1947 edition : farm equipment, dairy and poultry supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Co, 1947)

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)

Rotation, rest-rotation, and season-long grazing on a mountain range in Wyoming - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1965)

The Rothamsted experiments on the growth of wheat, barley, and the mixed herbage of grass land - Fream, William, 1854 -1906 (H. Cox, 1888)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1904)

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)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1850)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1852)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1857)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1862)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1873)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1874)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1878)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1879)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1880)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1881)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1882)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1884)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1885)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1886)