Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1938)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1940)

Quality nursery stock, 1949-1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Florida Nursery & Landscape Co, 1949)

Quality nursery stock, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Florida Nursery & Landscape Co, 1950)

Quarterly summary of re-identifications, April, May, June 1962 : Summary No. 9 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

Quarterly summary of re-identifications, October, November, December 1961 : Summary No. 7 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1927)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1932)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1933)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1934)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2001)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2002)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2003)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2006)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2004)

Rapid inventories, biological and social - Field Museum of Natural History. (Field Museum, 2008)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1895)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1901)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1902)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1904)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1903)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1900)

Rare Florida flowers and fruits, 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pike & Ellsworth, 1896)

Rare plants and general nursery stock : wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coolidge Rare Plant Gardens, Ltd, 1932)

Répertoire de couleurs pour aider à la détermination des couleurs des fleurs, des feuillages et des fruits - Dauthenay, Henri. (Impr. Oberthur, 1905)

Répertoire des plantes utiles et des plantes vénéneuses du globe contenant la synonymie latine et française des plantes, leurs noms vulgaires français et l'indication de leurs usages ... précédé d'un traité indispensable aux personnes qui veulent herboriser, et composer des herbiers - Duchesne, E. A. (Edouard Adolphe), 1804 -1869 (J. Renouard, 1836)

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)

Las regiones botánico-geográficas del Estado de Oaxaca : con una carta anexa - Conzatti, Cassiano, 1862 -1951 (La Esfera, 1926)

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 der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1865)

Reise in Brasilien : auf Befehl Sr. Majestät Maximilian Joseph I., Königs von Baiern, in den Jahren 1817 bis 1820 gemacht und beschrieben - Spix, Johann Baptist von, 1781 -1826 (M. Lindauer, 1828)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1847)

Relation historique du voyage aux régions équinoxiales du nouveau continent - Humboldt, Alexander von, 1769 -1859 (F. A. Brockhaus, 1900)

Rennie's 1901, Toronto [seed annual catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Rennie Co, 1901)

Rennie's 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Rennie Co, 1902)

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 botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1843)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1844)

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

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1919)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1909)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1905)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1922)

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

Report of botanical survey of southern and central Louisiana made during the year 1870 - Featherman, A. (Americus), 1822 - (Printed at the office of the Republican, 1871)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1835)

Report on the Invertebrata of Massachusetts, comprising the Mollusca, Crustacea, Annelida, and Radiata - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Folsom, Wells, and Thurston, printers, 1841)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1907)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1911)

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)

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, 1901)

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

Retail catalog : spring & summer 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Japanese Nursery, 1931)

Retail catalogue : fruit and ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Christensen & Huston, 1895)

Retail catalogue of green-house and border plants for spring and fall of 1878 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosenvink Gardens, 1878)

Retail list and wholesale list : shrubs, trees, vines, ferns, 1939-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1939)

Retail list : shrubs and trees, vines and perennials, 1938-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1938)

Retail list : shrubs, trees, vines, perennials, 1937-1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1937)

Retail list : shrubs, vines, trees, perennials, roses, ferns, espaliers, herbs, camellias, ground covers, fertilizers, insecticides, pots 1947-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1947)

Retail price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tennyson Nursery Co, 1930)

Retail price list, 1937 : shrubs, trees, vines, palms, ferns, bedding plants, flowering plants and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust, 1937)

Retail price list, fall 1931 spring 1932 : specialties for landscaping - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Menderson Nurseries, 1931)

Retail price list : spring-summer 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Saint Mary Nurseries Company, 1941)

A revised catalogue of the indigenous flowering plants and ferns of Ceylon - Willis, J. C. (John Christopher), 1868 -1958 (H.C. Cottle, Govt. Printer, 1911)

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)

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.], 1898)

A revision of the Austrialian Turridae - Hedley, Charles, 1862 -1926 (1920)

Revision of the Drosophila bromeliae species group (Diptera, Drosophilidae) Central American, Caribbean, and Andean species - Grimaldi, David A. (American Museum of Natural History, 2016)

A revision of the lepidopterous family Sphingidae Novitates zoologicae. Vol. IX. Supplement, v. 2 - Rothschild, Lionel Walter Rothschild, Baron, 1868 -1937 (Printed by Hazell, Watson & Viney, Ld, 1903)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1921)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1923)

Revista de la Facultad de Agronomía y Veterinaria, La Plata (La Facultad, 1895)

Revista de la Facultad de Letras y Ciencias - Universidad de La Habana. Facultad de Letras y Ciencias. (Universidad de La Habana, 1905)

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, 1865)

Revista del Museo de La Plata - Universidad Nacional de La Plata. (Talleres del Museo de La Plata, 1908)

Revista do Museu Paulista - Museu Paulista (O Museu, 1935)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1919)

Revue des sciences naturelles (1881)

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

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1891)

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1891)

Revue générale de botanique (Libraire générale de l'enseignement, 1907)

Revue horticole (Librairie agricole de la maison rustique, 1844)

Revue horticole (Librairie agricole de la maison rustique, 1845)

Revue horticole (Librairie agricole de la maison rustique, 1847)

Revue horticole (Librairie agricole de la maison rustique, 1853)

Revue horticole (Librairie agricole de la maison rustique, 1855)

Revue horticole (Librairie agricole de la maison rustique, 1856)

Revue horticole (Librairie agricole de la maison rustique, 1858)

Revue horticole (Librairie agricole de la maison rustique, 1864)

Revue horticole (Librairie agricole de la maison rustique, 1867)

Revue horticole (Librairie agricole de la maison rustique, 1868)

Revue horticole (Librairie agricole de la maison rustique, 1872)

Revue horticole (Librairie agricole de la maison rustique, 1876)

Revue horticole (Librairie agricole de la maison rustique, 1879)

Revue horticole (Librairie agricole de la maison rustique, 1880)

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

Revue horticole (Librairie agricole de la maison rustique, 1891)

Revue horticole (Librairie agricole de la maison rustique, 1894)

Revue horticole (Librairie agricole de la maison rustique, 1898)

Revue horticole (Librairie agricole de la maison rustique, 1901)

Revue horticole (Librairie agricole de la maison rustique, 1909)

Revue horticole (Librairie agricole de la maison rustique, 1916)

Revue mycologique (Bureaux de la rédaction, 1882)