Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1875)

Reports on the herbaceous plants and on the quadrupeds of Massachusetts : published agreeably to an order of the Legislature by the Commissioners on the Zoological and Botanical Survey of the State - Massachusetts. Zoological; Botanical Survey. (Folsom, Wells, and Thurston, 1840)

Reports on the herbaceous plants and on the quadrupeds of Massachusetts - Dewey, Chester, 1784 -1867 (Folsom, Wells, and Thurston, 1840)

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

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

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1917)

Return / British Museum - British Museum (Natural History) (British Museum, 1856)

Return / British Museum - British Museum (Natural History) (British Museum, 1896)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1921)

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

Revised catalogue of the diurnal Lepidoptera of America north of Mexico - Edwards, William H. (William Henry), 1822 -1909 ([American Entomological Society?], 1884)

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

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1891)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1893)

Revision of the flora of the Bombay presidency. Parts III-XI, Gramineae - Blatter, Ethelbert, 1877 -1934 (s.n.], 1927)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1916)

Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid, 1904)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1853)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1902)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1904)

Revue critique de paléozoologie et de paléophytologie (M. Cossman, 1897)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1884)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1907)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1908)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1910)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1885)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1891)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1893)

Revue de la flore des environs de Spa - Lejeune, Alexandre Louis Simon, 1779 -1858 (Duvivier, 1824)

Revue de la Flore des environs de Spa. Contenant l'énumération de toutes les plantes y décrites, avec les observations, les descriptions, les additions et les corrections nécessaires pour la mettre le plus possible à la hauteur de la science Par A.L.S. Lejeune ... - Hall, H. C. van (Herman Christiaan), 1801 -1874 (Ve Duvivier, 1824)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1889)

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

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

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1893)

Rheinische Flora. Beschreibung der wildwachsenden und cultivirten Pflanzen des Rheingebietes vom Bodensee bis zur Mosel und Lahn, mit besonderer Beru¨cksichtigung des Grossherzogthums Baden - Döll, Johann Christof, 1808 -1885 (H.L. Brnner, 1843)

Rhizocephala - Smith, Geoffrey, 1881 -1916 (R. Friedländer & Sohn, 1906)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1923)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1955)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1976)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1981)

Rhopalocera exotica ; being illustrations of new, rare, and unfigured species of butterflies - Kirby, W. F. (William Forsell), 1844 -1912 (Gurney & Jackson, 1897)

The Rhopalocera of Java - Piepers, M. C. (Marinus Cornelis), 1835 -1919 (M. Nijhoff; [etc., etc.], 1913)

The Rhopalocera of Java - Piepers, M. C. (Marinus Cornelis), 1835 -1919 (M. Nijhoff; [etc., etc.], 1918)

Richard Frotscher Seed Co. Ltd. : garden manual for the southern states 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. Frotscher, 1897)

Riviera nature notes : a popular account of the more striking plants and animals of the Riviera and the Maritime Alps - Comerford Casey, G. E. (George Edward), 1846 -1912 (Labour Press limited, 1898)

Riviera nature notes / a popular account of the more striking plants and animals of the Riviera and the Maritime Alps - Comerford Casey, G. E. (George Edward), 1846 -1912 (Bernard Quaritch, 1903)

Rivista coleotterologica italiana (Salsomaggiore, 1907)

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, 1892)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1902)

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 Periodica dei Lavori della I.R. Accademia di Scienze, Lettere ed Arti di Padova - Accademia di scienze, lettere ed arti di Padova. (1858)

Rock plants and iris, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1940)

Rock plants and iris, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1941)

Rock plants and iris, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1942)

Rock plants, dwarf shrubs and iris, 1944-45 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1944)

Rock plants, dwarf shrubs and iris, 1946-47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1946)

Rock plants, dwarf shrubs and iris, 1947-48 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1947)

Rock plants, dwarf shrubs and iris, 1949-50 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1949)

Rock plants, dwarf shrubs and iris, 1950-51 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1950)

Rocknoll spring plant guide and catalog : 1958 our 30th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocknoll Nursery, 1958)

Rod and gun - Canadian Forestry Association. (Rod and Gun Pub. Co. [etc.], 1920)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2010)

Die rohstoffe des pflanzenreiches; versuch einer technischen rohstofflehre des pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1903)

Die Rohstoffe des Pflanzenreiches; Versuch einer technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1914)

Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1921)

Roses, perennials, climbing plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1937)

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)

Rotunda - American Museum of Natural History (American Museum of Natural History, 1986)

Rotunda - American Museum of Natural History (American Museum of Natural History, 1994)

Die Rundkrabben (Cyclometopa) des Roten Meeres - Klunzinger, Carl Benjamin, 1834 -1914 (Druck von E. Karras für die Akademie in Kommission bei W. Engelmann, 1913)

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.], 1850)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1855)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1861)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1868)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1871)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1883)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1888)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1890)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1908)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1915)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1929)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1957)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1958)

The Rural wreath : or, Life among the flowers - Greenwood, Laura. (Thayer and Eldridge, 1860)

The Rural wreath, or, Life among the flowers - Greenwood, Laura. (Dayton and Wentworth, 1853)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2005)

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, 2015)

Saggio sulle qualita` medicinali delle piante della flora Napolitana : e sulla maniera di servirsene per surrogarle alle droghe esotiche - Tenore, Michele, 1780 -1861 (Tipografia Coda, 1808)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1987)

Saier's garden book for 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier Co. Inc, 1922)

Salisbury-Spencer, North Carolina city directory - Miller, Ernest H. (Piedmont Directory Co, 1913)

Salisbury-Spencer, North Carolina city directory - Miller, Ernest H. (Piedmont Directory Co, 1915)

Salisbury-Spencer, North Carolina city directory - Miller, Ernest H. (Piedmont Directory Co, 1922)

Samen- und Pflanzen-Tauschliste des botanischen Gartens der Kgl. Technischen Hochschule Stuttgart - Technische Hochschule Stuttgart. Botanischer Garten. (Technische Hochschule in Stuttgart, 1907)

San Francisco Zoological Gardens expanded partnership annual report for ... - San Francisco (Calif.). Recreation; Park Commission. (San Francisco Zoological Society, 1999)

San Francisco Zoological Gardens master plan : draft environmental impact report - San Francisco (Calif.). Planning Dept. (Planning Dept, 1997)

San Francisco Zoological Gardens master plan : final environmental impact report - San Francisco (Calif.). Planning Dept. (Planning Dept, 1998)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation in Erie county, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Clapper, 1899)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation, in Erie County, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Press of Clapper Printing Co, 1899)

Savage & Reid's annual catalogue of seeds etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Savage & Reid, 1902)

SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 1988)

SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 2011)

Schilderung der deutschen Pflanzenfamilien; vom botanisch-descriptiven und physiologisch-chemischen Standpunkte - Hoffmann, Hermann, 1819 -1891 (Wirth, 1851)

Schilderung der deutschen pflanzenfamilien vom botanisch-descriptiven und physiologischchemischen standpunkte - Hoffmann, Hermann, 1819 -1891 (Georg Friedrich Hener's Verlag, 1846)

Schindler's garden manual for the southern states - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jos. A. Schindler & Co, 1904)

Die Schmetterlinge der Schweiz - Müller-Rutz, J. (K.J. Wyss, 1914)

Die Schmetterlinge Deutschlands mit besonderer Berücksichtigung ihrer Biologie - Eckstein, Karl, 1859 -1930 (K.G. Lutz' Verlag, 1933)