Reading Naturalist. Reading - Reading Natural History Society. (1967)

Recent advances in cytology - Darlington, C. D. (Cyril Dean), 1903 - (P. Blakiston's son & co., inc, 1937)

Recherches sur la géographie botanique du Lyonnais - Magnin, Antoine, 1848 -1926 (J.-B. Baillière, 1879)

Recognizing plant families of the west : field guide - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 2021)

Records of general science

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1942)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1948)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1902)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1913)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1961)

Recueil d'oeuvres - Errera, Léo Abram, 1858 -1905 (H. Lamertin, 1908)

Recueil d'oeuvres de Léo Errera - Errera, Léo Abram, 1858 -1905 (H. Lamertin, 1908)

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

Reduction of all the genera of plants contained in the Catalogus plantarum Americæ septentrionalis, of the late Dr. Muhlenberg, to the natural families of Mr. de Jussieu's system : For the use of the gentlemen who attended the course of elementary and philosophical botany in Philadelphia, in 1815 - Correia da Serra, José Francisco, 1750 -1823 (Published by Solomon W. Conrad, no. 87, Market Street, 1815)

A reference wetland network for assessment and monitoring of Montana's herbaceous wetlands - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2011)

Le règne animal distribué d'après son organisation : pour servir de base a l'histoire naturelle des animaux et d'introduction a l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1817)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1836)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Louis Hauman et Comp, 1836)

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)

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)

Reisebilder aus Liberia : Resultate geographischer, naturwissenschaftlicher und ethnographischer untersuchungen während der jahre 1879-1882 und 1886-1887 - Büttikofer, Johann, 1850 -1927 (E. J. Brill, 1890)

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)

Reliquiae Baldwinianae : selections from the correspondence of the late William Baldwin with occasional notes, and a short biographical memoir - Muhlenberg, Henry, 1753 -1815 (Kimber and Sharpless, 1843)

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)

Remarques sur la faune des iles Saint-Paul et Amsterdam, suivies d'une description des mollusques testacés de ces deux iles - Vélain, Charles, 1845 - (A. Hennuyer, 1878)

Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium botanicum, oder, Versuch einer systematischen Darstellung der neuesten Leistungen im ganzen Umfange der Pflanzenkunde - Dierbach, Johann Heinrich, 1788 -1845 (Meyersche Hof-Buchh, 1831)

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1908)

Report & transactions - Birmingham Natural History; Microscopical Society (Birmingham, England) (Herald Press, 1880)

Report & transactions - Birmingham Natural History; Microscopical Society (Birmingham, England) (Herald Press)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1890)

Report / Botanical Exchange Club and Society of the British Isles - Botanical Exchange Club; Society of the British Isles. (1901)

Report / Botanical Exchange Club and Society of the British Isles - Botanical Exchange Club; Society of the British Isles. (1912)

Report / Botanical Exchange Club and Society of the British Isles - Botanical Exchange Club; Society of the British Isles. (1913)

Report / Botanical Exchange Club and Society of the British Isles - Botanical Exchange Club; Society of the British Isles. (1914)

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. (1892)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1905)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1914)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1915)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1920)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1923)

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. (1933)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1935)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1938)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1945)

Report for the year ... - Colonial Herbarium (Durban, South Africa). (Colonial Herbarium, 1895)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1890)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1850)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1831)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1904)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1886)

Report of the Curator / Botanical Exchange Club - Botanical Exchange Club. (1875)

Report of the Curator / Botanical Exchange Club - Botanical Exchange Club. (1877)

Report of the East Kent Natural History Society - East Kent Natural History Society. (1858)

Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1871)

Report of the Geological Survey of Ohio - Geological Survey of Ohio. (Nevins & Myers, state printers, 1893)

Report of the geological survey of Ohio - Geological Survey of Ohio. (Nevins & Meyers, 1893)

Report of the Missouri State Horticultural Society for the year - Missouri State Horticultural Society. (The Society, 1886)

Report of the Proceedings of the Society / Cheltenham College Natural History Society - Cheltenham College Natural History Society. (1895)

Report of the United States Geological Survey of the territories - Lesquereux, Léo, 1806 -1889 (Govt. Print. Off, 1873)

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 of the Watson Botanical Exchange Club - Watson Botanical Exchange Club. (1929)

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

Report on the botany of the expedition - Torrey, John, 1796 -1873 ([s.n.], 1857)

Report on the conservation status of Howellia aquatilis, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

Report on the geology, mineralogy, botany, and zoology of Massachusetts : made and published by order of the government of that state : in four parts: Part I. Economical geology. Part II. T opographical geology. Part III. Scientific geology. Part IV. Catalogues of animals and plants : with a descriptive list of the specimens of rocks and minerals collected for the government : illustrated by numerous wood cuts and an atlas of plates - Massachusetts. Geological Survey. (Press of J.S. and C. Adams, 1833)

Report on the geology, mineralogy, botany, and zoology of Massachusetts - Massachusetts. Geological Survey. (Press of J.S. and C. Adams, 1833)

Report on the geology, mineralogy, botany, and zoology of Massachusetts - Massachusetts. Geological Survey. (J.S. and C. Adams, 1835)

Report on the herbaceous flowering plants of Massachusetts, arranged according to the natural orders of Lindley, and illustrated chiefly by popular descriptions of their character, properties, and uses - Dewey, Chester, 1784 -1867 (Folsom, Wells, and Thurston, Printers to the University, 1840)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1885)

A report upon the boreal flora of the Sierra Nevada of California - Smiley, Frank Jason, 1880 - (University of California Press, 1921)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1878)

Report / Warwickshire Natural History & Archaeological Society - Warwickshire Natural History; Archaeological Society. (1873)

Reports and papers on botany - Grisebach, A. (August), 1814 -1879 (Printed for the Ray society, 1846)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1856)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1857)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1854)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1903)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1914)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1901)

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

Reports on the food of the rook, starling and chaffinch. Part 1, 2 - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (1916)

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)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University Pub. Co, 1905)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (The University publishing company, 1905)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1981)

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)

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

Résultats du voyage du S.Y. Belgica en 1897-1898-1899 : sous le commandement de A. de Gerlache de Gomery. Rapports scientifiques publiés aux frais du gouvernement belge, sous la direction de la Commission de la Belgica - Belgica (Ship) (Impr. J.E. Buschmann, 1905)

A review of the modern state of botany, with a particular reference to the natural systems of Linnaeus and Jussieu - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown, Green, and Longman, 1832)

A review of the primates - Elliot, Daniel Giraud, 1835 -1915 (American Museum of Natural History, 1912)