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Range grasses of Hawaii by John Carson Ripperton - 1933 - 58 pages
Range improvement in Arizona by David Griffiths, University of Arizona. Agricultural Experiment Station - 1901 - 31 pages
Range plant handbook by United States. Forest Service, William Adams Dayton, Thomas Lommasson, Barry Cutler Park - 1937 - 1024 pages
Range vegetation studies by Warren C. Whitman, Earl Adrian Helgeson - 1946 - 43 pages
Range, pasture and miscellaneous grasses, their culture and characteristics by Leroy R. Hansen, United States. Army. Corps of Engineers - 1943 - 66 pages
Rangeland improvement through seeding and weed control on east slope Sierra Nevada and on southern Cascade Mountains by Donald R. Cornelius, Murrell Williams Talbot - 1955 - 51 pages
Rare plants of southeastern Pennsylvania by Thomas Conrad Porter - 1900 - 8 pages
Rasskazy o tom, kak zhivut i ustroeny rastenii︠a︡ by I︠U︡līĭ Nikolaevich Vagner - 1921 - 106 pages
Raster-Elektronen-mikroskopische Untersuchungen an Cactaceen -Epiderm by Rainer Schill - 1973 - 13 pages
Raymondiana by Universidad nacional de San Marco - 1968
Rebutia by John Pilbeam - 1997 - 160 pages
Rebutia, including Aylostera and Sulcorebutia by Cyril Marsden, Herbert Spencer Jackson - 1968 - 100 pages
Recent developments in the chemical control of brush on Texas ranges by Vernon Alphus Young - 1950 - 18 pages
Recherches anatomiques sur les cryptogames vasculaires by Georges Poirault - 1894 - 144 pages
Recherches sur l'archégone et le développement du fruit des muscinées by Félix Hy (abbé) - 1884
Recherches sur l'influence de la lumiere solaire pour metamorphoser l'air fixe en air pur par la vegetation by Jean Sénebier - 1783
Recherches sur l'influence de la lumière solaire pour métamorphoser l'air fixe en air pur par la végétation by Jean Senebier - 1783 - 385 pages
Recherches sur l'influence de la lumière solaire pour métamorphoser l'air fixe en air pur par la végétation by Jean Senebier, Pre-1801 Imprint Collection (Library of Congress) - 1783 - 385 pages
Recommended measures for regulating the importation and movement of plants and related items in Asia and the Pacific Region by FAO Regional Office for Asia and the Pacific - 1990 - 18 pages
Recovery of particular biochemical mutants in Neurospora from differentially germinated conidial filtrates by Val W. Woodward - 1953 - 80 pages
Recovery plan for four species of Hawaiian ferns by Kevin Foster, Tayna Rubenstein, U.S. Fish and Wildlife Service - 1998 - 78 pages
Recovery plan for the Davis' green pitaya Echinocereus viridiflorus Engelm. var. davisii (Houghton) L. Benson by Kenneth D. Heil, U.S. Fish and Wildlife Service. Region 2 - 1984 - 68 pages
Recueil des travaux botaniques néerlandais by Koninklijke Nederlandse Botanische Vereeniging - 1921
Reference manual of fern spores by Santha Devi - 1981 - 90 pages
Regeneration and induced polyploidy in ferns by Elva Lawton - 1932 - 31 pages
Regenfall und Blattgestalt by Ernst Stahl - 1893 - 83 pages
Regnum vegetabile - 1962
Regnum vegetabile by International Association for Plant Taxonomy - 1962
Regnum vegetabile - 1961
Regnum vegetabile by International Association for Plant Taxonomy - 1960
Regnum vegetabile - 1959
Regnum vegetabile by International Association for Plant Taxonomy - 1959
Regnum vegetabile - 1957
Regnum vegetabile - 1956
Regnum Vegetabile - 1954
Regnum vegetabile - 1953
Regrassing areas in South Dakota by Clifford J. Franzke, Albert Nash Hume - 1942 - 48 pages
Relation of genetic variation in manganese utilization to disease resistance in cucumbers by Richard Warren Robinson - 1962 - 494 pages
Relation of hydrogen cyanide potential and hydrogen cyanide metabolism to the development of Gloeocercospora sorghi in sorghum leaves by Donald Foster Myers - 1978 - 212 pages
Relation of nitrate nitrogen to the carbohydrate and nitrogen content of onions by Alma LaVoy Wilson - 1934 - 30 pages
Relation of plants to environment (or Plant ecology) by George Francis Atkinson - 1904 - 67 pages
Relationship between salt concentrations in leaves and sap and the decline of sugar maples along roadsides by John Hamilton Baker - 1965 - 16 pages
Relationships in the Capillaria group of Panicum by David Earl Fairbrothers - 1954 - 280 pages
Repertorium plantarum succulentarum by International Organisation for Succulent Plant Research, International Bureau for Plant Taxonomy and Nomenclature, International Organisation for Succulent Plant Study. British Section - 1972
Repertorium plantarum succulentarum by International Organisation for Succulent Plant Research, International Bureau for Plant Taxonomy and Nomenclature, International Organisation for Succulent Plant Study. British Section - 1970
Repertorium plantarum succulentarum by International Organisation for Succulent Plant Study. British Section, International Bureau for Plant Taxonomy and Nomenclature, International Organisation for Succulent Plant Research, International Association for Plant Taxonomy - 1969
Repertorium plantarum succulentarum by International Bureau for Plant Taxonomy and Nomenclature, International Organisation for Succulent Plant Study. British Section, International Organisation for Succulent Plant Research, International Association for Plant Taxonomy - 1966
Repertorium plantarum succulentarum by International Organisation for Succulent Plant Research, International Bureau for Plant Taxonomy and Nomenclature, International Organisation for Succulent Plant Study. British Section - 1958
Repertorium plantarum succulentarum by International Organisation for Succulent Plant Research, International Bureau for Plant Taxonomy and Nomenclature, International Organisation for Succulent Plant Study. British Section - 1956
Repertorium plantarum succulentarum by International Organisation for Succulent Plant Study. British Section, International Bureau for Plant Taxonomy and Nomenclature, International Association for Plant Taxonomy, International Organisation for Succulent Plant Research - 1951
Repertorium plantarum succulentarum by International Organisation for Succulent Plant Research, International Bureau for Plant Taxonomy and Nomenclature, International Organisation for Succulent Plant Study. British Section - 1950
Replies to questions about grasses by William James Beal - 1886 - 7 pages
Report made to Commodore Perry on the botany, ethnography, etc., of the island of Great Lew Chew by Charles Frederick Fahs - 1855 - 12 pages
Report of an investigation of the grasses of the arid districts of Kansas, Nebraska, and Colorado by George Vasey - 1886 - 18 pages
Report of an investigation of the grasses of the arid districts of Texas, New Mexico, Arizona, Nevada, and Utah, in 1887 by Samuel Mills Tracy, George C. Nealley, J. Pool, George Vasey - 1888 - 61 pages
Report of an investigation of the grasses of the arid districts of Texas, New Mexico, Arizona, Nevada, and Utah, in 1887 by Samuel Mills Tracy, George C. Nealley, J. Pool, George Vasey - 1888 - 61 pages
Report of experiments to determine the relative values of unmalted and malted barley as food for stock by Great Britain. Board of Trade - 1866 - 82 pages
Report of experiments undertaken by order of the Board of Trade to determine the relative values of unmalted and malted barley as food for stock by John Bennet Lawes - 1868 - 137 pages
Report of the conference by Botanical Society of the British Isles - 1963
Report of the curators for ... by London Botanical Exchange Club - 1876
Report of the curators for ... by London Botanical Exchange Club - 1875
Report of the curators for ... by London Botanical Exchange Club - 1871
Report of the fifteenth session of the Intergovernmental Group on Oilseeds, Oils, and Fats to the Committee on Commodity Problems, Rome, March 1981 by Intergovernmental Group on Oilseeds, Oils, and Fats, Food and Agriculture Organization of the United Nations. Committee on Commodity Problems - 1981 - 10 pages
Report on the production and utilization of barley in Bangladesh by Carl Pray - 1979 - 30 pages
Report on the training course on grassland management by European Productivity Agency - 1955 - 104 pages
Report on the winter-kill of apple trees in Monroe County, New York during winter of 1933 and 1934 by Monroe County, N.Y. Regional Planning Board - 1938 - 27 pages
Report upon a collection of ferns from western South America by William Ralph Maxon, Smithsonian Institution - 1915 - 12 pages
Research advances in the Compositae by T.J. Mabry, Gerhard Wagenitz - 1990 - 124 pages
Reserve food-materials in buds and surrounding parts by Byron David Halsted, Torrey Botanical Club - 1891 - 26 pages
Resistance of winter barley to Ustilago nuda (Jens.) Rostr by C. K. Cloninger, John Milton Poehlman - 1954 - 35 pages
Resistance to powdery mildew in F1hybrid muskmelons by John William Miles - 1971 - 90 pages
Respiration in plants by Walter Stiles, William Leach - 1960 - 226 pages
Respiration in plants by Walter Stiles, William Leach - 1952 - 172 pages
Respiration in plants by Walter Stiles, William Leach - 1952 - 172 pages
Respiratory characteristics of barley seedlings by Alice Ruth Lubell - 1958 - 160 pages
Respiratory studies on leaves of higher plants by Joseph Michael Daly - 1952 - 97 pages
Response of submergent macrophytes to harvesting by Jere Neil Mossier - 1968 - 142 pages
Response of three Populus species to drought by Terry F. Strong, Edward A. Hansen, North Central Forest Experiment Station (Saint Paul, Minn.) - 1991 - 9 pages
Responses of apple trees to water stress as affected by prestress light and water regimes by Frederick Stanley Davies - 1978 - 302 pages
Responses of bahiagrass to applied nitrogen, phosphorus, and potassium by Marvin Allen - 1977 - 31 pages
Results of management workshop by Freshwater Foundation, Minnesota. Dept. of Natural Resources - 1990 - 15 pages
Review of the distribution of the native cacti of Canada by Ken Hancock - 1998 - 116 pages
Revised classification of the Onagraceae by Warren Lambert Wagner, Peter C. Hoch, Peter H. Raven - 2007 - 240 pages
Revised estimates of barley acreage, yield, production, 1866-1929 .... by United States. Bureau of Agricultural Economics - 1935 - 47 pages
Revised list of Hawaiian Pteridophyta by Carl Frederik Albert Christensen - 1925 - 30 pages
Revisio anthobolearum by Hans Ulrich Stauffer - 1959 - 260 pages
Revisio generum plantarum by Otto Kuntze - 1893
Revision der Gattung Malpighia L. (Malpighiaceae) by Friedrich Karl Meyer - 2000 - 630 pages
Revisiting the Arnold Arboretum plant hardiness maps in light of the cold winters experienced during 1974 through 1983 by Mark L. Kramer, Ronald G. Thomson - 1985 - 18 pages
Revisión de Bouteloua Lag. (POACEAE) by Yolanda Herrera Arrieta, Paul M. Peterson, Margarita de la Cerda Lemus - 2004 - 187 pages
Revisión de las especies de Paspalum para América del Sur austral by Fernando O. Zuloaga, Osvaldo Morrone - 2005 - 297 pages
Revisión del género Mutisia (Compositae) by Ángel Lulio Cabrera - 1966 - 227 pages
Revista Argentina de Agronomia by Sociedad Argentina de Agronomĭa - 1940
Revista argentina de agronomía by Sociedad Argentina de Agronomĭa - 1941
Revista del Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" e Instituto Nacional de Investigación de las Ciencias Naturales by Argentina. Dirección General de Cultura, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" e Instituto Nacional de Investigación de las Ciencias Naturales - 1964
Revue bretonne de botanique pure et appliquée by Lucien Louis Daniel - 1925
Revue roumaine de biologie by Academia Republicii Socialiste România - 1996
Revue roumaine de biologie by Academia Republicii Socialiste România - 1977
Revue roumaine de biologie by Academia Republicii Socialiste România - 1975
Rogers winter barley by Alva Marion Schlehuber - 1957 - 11 pages
Root-growth stoppage resulting from defoliation of grass by Franklin Jacob Crider - 1955 - 23 pages
Root-growth stoppage resulting from defoliation of grass by Franklin Jacob Crider - 1955 - 23 pages
Root-killing of apple trees by Niels Ebbesen Hansen - 1899 - 32 pages
Root-stem transition of Opuntia engelmannii Salm-Dyck by William Mayne Longnecker - 1941 - 9 pages
Ruderální společenstva bylin České republiky by Karel Kopecký, Slavomil Hejný - 1992 - 128 pages
Ruthenium : its behavior in plant and soil systems by K. W. Brown, United States. Environmental Protection Agency. Office of Research and Development - 1976 - 20 pages
Rôle de l'oxygène dans la respiration et la vie des végétaux et dans la statique des engrais by Édouard Robin - 1852 - 3 pages