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

Red-clover seed production : pollination studies - Westgate, John Minton, 1878 -1937 (U.S. Dept. of Agriculture, 1915)

Red clover seed production: pollination studies - Pammel, L. H. (Louis Hermann), 1862 -1931 (Govt. print. off, 1915)

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

The reformed botanic and Indian physician :a complete guide to health - Smith, Daniel (Curtiss & White, 1855)

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)

Die Reizbewegungen der Pflanzen - Pringsheim, Ernst G. (Ernst Georg), 1881 - (J. Springer, 1912)

Reliable farm seeds for 1939-40 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Lambert & Sons, 1939)

Reliable seeds : plants, bulbs, fertilizers, tools, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar & Co, 1898)

Reliquiae Formánekianae : enumeratio critica plantarum vascularium, quas itineribus in Haemo Peninsula et Asia Minore (Bithynia) factis collegit Dr. Ed. Formánek - Vandas, Karel, 1861 -1923 (Comitiorum Marchionatus Moraviae, 1909)

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)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX - Dodoens, Rembert, 1517 -1585 (Ex officina Christophori Plantini, 1583)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX. Varie ab auctore, paullo ante mortem, aucti & emendati - Dodoens, Rembert, 1517 -1585 (Ex officina Plantiniana, 1616)

ren yu sheng wu quan lun wen ji - Zhongguo ren yu sheng wu quan guo jia wei yuan hui (zhong guo ren yu sheng wu quan guo jia wei yuan hui, 1987)

Rendiconto delle adunanze e de' lavori dell'Accademia delle Scienze sezione della Società Reale Borbonica di Napoli - Accademia delle Scienze di Napoli (Società Reale Borbonica, 1842)

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, 1842)

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 commentationum a societatibus litterariis editarum - Reuss, Jeremias David, 1750 -1837 (apud Henricum Dieterich, 1802)

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

Réponse à une adresse de l'Assemblée législative en date du 19 avril 1886, demandant copie du rapport d'un voyage fait au Labrador canadien, en vertu d'un ordre en conseil, par M. Saint-Cyr, ancien député, conservateur du musée de l'instruction publique aussi copie de son catalogue des plantes et des oiseaux de la Côte Nord et des î les faisant partie du Labrador canadien, exposés au Musée de l'Instruction publique - Saint-Cyr, D. N. (Dominique Napoléon), 1826 -1899 (s.n, 1886)

Report and Transactions / East Kent Scientific and Natural History Society - East Kent Scientific; Natural History Society. (1901)

Report and Transactions of the Glasgow Society of Field Naturalists - Glasgow Society of Field Naturalists. (Glasgow Society of Field Naturalists, 1873)

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. (1913)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1892)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1893)

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. (1917)

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. (1929)

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

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1933)

Report / Haileybury Natural Science Society - Haileybury Natural Science Society. (1873)

Report of an investigation of the grasses of the arid districts of Texas, New Mexico, Arizona, Nevada, and Utah, in 1887 - Tracy, S. M. (Samuel Mills), 1847 -1920 (Govt. Print. Off, 1888)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1848)

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. (1935)

Report of the chief of the Bureau of Entomology and Plant Quarantine - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1940)

Report of the chief of the Bureau of entomology and plant quarantine - United States. Agricultural Research Service. (U.S. Govt. Print. Off, 1940)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1884)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1863)

Report of the Folkestone Natural History Society - Folkestone Natural History Society. (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 Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1901)

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

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

Report of the proceedings of the ... Entomological meeting - Fletcher, T. B. (Thomas Bainbrigge), 1878 -1950 (Superintendent government printing, India, 1917)

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

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

Report of the Provincial Museum of Natural History - British Columbia Provincial Museum. (Provincial Museum, King's Printer for British Columbia, 1912)

Report of the State Entomologist on the noxious and beneficial insects of the state of Illinois - Illinois State Entomologist. (State Entomologist, 1909)

[Report of a voyage made to the Canadian Labrador coast ; Catalogue of plants and birds of the north shore] - Saint-Cyr, D. N. (Dominique Napoléon), 1826 -1899 (s.n, 1887)

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

Report on the conservation status of Grindelia howellii, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1986)

Report on the conservation status of Penstemon lemhiensis, a candidate threatened species : Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Report on the indigenous medical botany of Massachusetts - Williams, Stephen W. (Stephen West), 1790 -1855 (1849)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)

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)

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.], 1853)

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.], 1860)

Reports of observations and experiments in the practical work of the Division, made under the direction of the Entomologist - United States. Division of Entomology. (U.S. G.P.O, 1883)

Reports of observations and experiments in the practical work of the Division - Riley, Charles V. (Charles Valentine), 1843 -1895 (U.S. Dept. of Agriculture, Division of Entomology, 1890)

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)

En resa til Norra America - Kalm, Pehr, 1716 -1779 (Tryckt på L. Salvii kostnad, 1753)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1980)

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)

Results of experiments at Rothamsted, the growth of leguminous crops, for many years in succession on the same land; being (with additions) a lecture delivered November, 1, 1889, at the Royal Agricultural College, Cirencester - Gilbert, Joseph Henry, 1817 -1901 (1889)

Results of investigations on the Rothamsted soils, being the lectures delivered under the provisions of the Lawes agricultural trust - United States. Office of Experiment Stations. (Govt. Print. Off, 1902)

Retail catalogue planters' guide : 1921, everything for the garden, lawn and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mel. L. Webster Co, 1921)

Retail price list [of] fruit trees, etc. : season 1921-1922 to deliver after Jan. 15, 1922 (berries, etc. earlier) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia], 1922)

Retail seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sioux City Nursery and Seed Company, 1897)

Retail seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sioux City Nursery & Seed Company, 1896)

Return / British Museum - British Museum (Natural History) (British Museum, 1901)

Reuter's : 1958 fall catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1958)

Reuter's : 1958 spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1958)

Reuter's : 1959 fall catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1959)

Reuter's : 1959 spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1959)

Reuter's annual seed book : spring 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chris Reuter, 1915)

Reuter's seeds : 1951 fall & winter - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1951)

Reuter's seeds : 1957 fall & winter - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1957)

Reuter's seeds : 1957 spring - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1957)

Reuter's seeds, fall & winter 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co, 1940)

Reuter's seeds, fall & winter 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co, 1941)

Reuter's seeds, fall & winter 1942 : vegetables for victory - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co, 1942)

Reuter's seeds : fall & winter 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1953)

Reuter's seeds : fall & winter 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1956)

Reuter's seeds for the south. Spring 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chris Reuter, 1916)

Reuter's seeds for the South! : fall & winter 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co, 1937)

Reuter's seeds for the South, fall and winter 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co, 1944)

Reuter's seeds for the South : spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1938)

Reuter's seeds for the South, spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co, 1939)

Reuter's seeds for the south : spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1949)

Reuter's seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rauter Seed Co, 1942)

Reuter's seeds : spring 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co, 1944)

Reuter's seeds : spring 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1948)

Reuter's seeds : spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1950)

Reuter's seeds : spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1954)

Reuter's seeds : spring 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1956)

Reuter's seeds, tested in the South for the South : fall & winter 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co, 1939)

Reuter's spring 1955 : our 75th year of service to the south - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1955)

Reuter's wholesale price list. No. 366 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1953)

Reuter's wholesale price list, No. 281, April 8, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1946)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1917)

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

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1923)

Review of the literature of the family Asilidae, robber flies, and a determination of the potentially rare, endangered and endemic species in the California Desert study area - United States. Bureau of Land Management. (1978)

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)