Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1902)

Recueil des Actes de la Séance Publique de l'Académie Imperiale des Sciences de St.Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1844)

Recueil des mémoires et des travaux - Société botanique du Grand-Duché de Luxembourg. (La Société, 1897)

Reflections on the phenomenon of rejuvenescence in nature, especially in the life and development of plants - Braun, Alexander, 1805 -1877 (1851)

Le Règne végétal; divisé en: Traité de botanique, Flore médicale, usuelle et industrielle, Horticulture théorique et pratique, Plantes agricoles et forestières, Histoire biographique et bibliographique de la botanique - Réveil, O. (Oscar), 1821 -1865 (L. Guérin, 1870)

Reis door Noord Amerika - Kalm, Pehr, 1716 -1779 (By J. van Schoonhoven en Comp. en G. van den Brink Janz, 1772)

Reis door Noord Amerika - Kalm, Pehr, 1716 -1779 (J.Van Schoonhoven en Comp. en G. van den Brink Janz, 1772)

Reis door Noord Amerika - Kalm, Pehr, 1716 -1779 (J. van Schoonhoven en comp. [etc.], 1772)

Reise durch das Altai-Gibirge und die soongorische Kirgisen=Steppe : Auf Kosten der Kaiserlichen Universität Dorpat unternommen im jahre 1826 in Begleitung der Herren D. Carl Anton Meyer und D. Alexander von Bunge - Ledebour, Carl Friedrich von, 1785 -1851 (G. Reimer, 1830)

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Buchdr. der K. Akademie der Wissenschaften : Zu haben bei Eggers, 1856)

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Buchdr. der K. Akademie der Wissenschaften : Zu haben bei Eggers, 1867)

Reisen in Amur-Land und auf der Insel Sachalin : im Auftrage der Kaiserlich-Russischen Geographischen Gesellschaft ausgefuehrt - Schmidt, Friedrich, 1832 -1908 (Commissionaires de l'Académie impériale des sciences, 1868)

Remarks on the geographical distribution of British plants : chiefly in connection with latitude, elevation, and climate - Watson, Hewett Cottrell, 1804 -1881 (Printed for Longman, Rees, Orme, Brown, Green, and Longman, 1835)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1846)

Repertorium florae Ligusticae - De Notaris, Giuseppe, 1805 -1877 (Ex Regio Typographeo, 1844)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1881)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1883)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1885)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1889)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1926)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1928)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1932)

Report of a geological survey of Wisconsin, Iowa, and Minnesota;and incidentally of a portion of Nebraska Territory - United States. General Land Office (Lippincott, Grambo, 1852)

Report of a geological survey of Wisconsin, Iowa, and Minnesota : and incidentally of a portion of Nebraska Territory : made under instructions from the United States Treasury Department - United States. General Land Office. (Lippincott, Grambo & Co, 1852)

Report of Burton-on-Trent Natural History and Archaeological Society - Burton-on-Trent Natural History; Archaeological Society. (1884)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1888)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1891)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1893)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1897)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1898)

Report of the Botanist - New York (State). State Botanist. (James B. Lyon, State Printer, 1867)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1878)

Report of the botanist - Connecticut Agricultural Experiment Station. (Connecticut Agricultural Experiment Station, 1903)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1869)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1893)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1907)

Report of the Folkestone Natural History Society - Folkestone Natural History Society. (1871)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1905)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1904)

Report of the pomologist for ... - United States. Division of Pomology. (G.P.O, 1888)

Report of the Proceedings of the Society / Cheltenham College Natural History Society - Cheltenham College Natural History Society. (1889)

Report of the State board of agriculture on the work of extermination of the gypsy moth - Massachusetts. State board of agriculture. (Wright & Potter printing co., state printers, 1893)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1896)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1901)

Report of the State Entomologist of Connecticut for the year - Connecticut Agricultural Experiment Station. (1901)

Report of the State Entomologist on the noxious and beneficial insects of the state of Illinois - Illinois State Entomologist. (State Entomologist, 1878)

Report of the State Entomologist to the Regents of the University of the State of New York - University of the State of New York. (University of the State of New York], 1885)

Report of the Watson Botanical Exchange Club - Watson Botanical Exchange Club. (1884)

Report of the Watson Botanical Exchange Club - Watson Botanical Exchange Club. (1916)

Report on botanical work in Minnesota for the year 1886 - Arthur, Joseph Charles, 1850 -1942 (Pioneer Press Co, 1887)

Report on an exploration in the Yukon district, N.W.T., and adjacent northern portion of British Columbia, 1887 - Geological; Natural History Survey of Canada. (Dawson, 1888)

Report on the adaptation of Russian and other fruits to the extreme northern portions of the United States - United States. Division of Pomology. (Govt. Print. Off, 1888)

Report on the geology and resources of the region in the vicinity of the forty-ninth parallel, from the Lake of the Woods to the Rocky Mountains - Dawson, George Mercer, 1849 -1901 (Dawson, 1875)

A report on the trees and shrubs growing naturally in the forests of Massachusetts : Published agreeably to an order of the Legislature, by the Commissioners on the zoological and botanical survey of the state - Emerson, George B. (George Barrell), 1797 -1881 (Dutton and Wentworth, Printers, 1846)

A report on the trees and shrubs growing naturally in the forests of Massachusetts. Originally published agreeably to an order of the Legislature, by the Commissioners on the Zoological and Botanical Survey of the State - Emerson, George B. (George Barrell), 1797 -1881 (Brown, 1894)

Report: <to accompany bill S. no. 241> - Linn, Lewis Fields, 1795 -1843 (Blair & Rives, printers, 1838)

Report (to accompany bill S. no. 241) - Linn, Lewis Fields, 1795 -1843 (Blair & Rives, printers, 1838)

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

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

Reports on the noxious, beneficial and other insects, of the state of New York. Made to the State agricultural society, pursuant to an annual appropriation for this purpose from the legislature of the state - Comstock, Anna Botsford, 1854 -1930 (C. Van Benthuysen, printer [etc.], 1856)

Reports on zoology for 1843, 1844 - Ray Society. (Printed for the Ray society, 1847)

Resa genom Umeå Lappmarker i Vesterbottens län : förrättad år 1832 - Zetterstedt, Johan Wilhelm, 1785 -1874 (N.M. Lindh, 1833)

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

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1906)

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1914)

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1915)

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, 1917)

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, 1919)

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

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1922)

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

Revision of the Aphelininæ of North America : a subfamily of hymenopterous parasites of the family Chalcididæ - United States. Office of Experiment Stations. (G.P.O, 1895)

A revision of the North American species of buprestid beetles belonging to the tribe Chrysobothrini - Fisher, Warren Samuel, 1878 -1971 (U.S. Dept. of Agriculture, 1942)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1993)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1966)

Revue biologique du nord de la France (Le Bigot, 1892)

Revue botanique :recueil mensuel ... - Duchartre, Pierre Etienne Simon, 1811 -1894 (A. Franck, 1846)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1911)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1886)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1883)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1884)

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, 1887)

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 de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1946)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1956)

Revue de viticulture : organe de l'agriculture des régions viticoles - Ravaz, L. (Louis) (Bureaux de la "Revue de Viticulture", 1906)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1880)

Revue des sciences naturelles (1881)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1889)

Revue générale de botanique (Libraire générale de l'enseignement, 1898)

Revue générale de botanique (Libraire générale de l'enseignement, 1900)

Revue générale de botanique (Libraire générale de l'enseignement, 1901)

Revue générale de botanique (Libraire générale de l'enseignement, 1910)

Revue générale de botanique (Libraire générale de l'enseignement, 1913)