Regni vegetabilis systema naturale, sive Ordines, genera et species plantarum secundum methodi naturalis normas digestarum et descriptarum - Candolle, Augustin Pyramus de, 1778 -1841 (sumptibus sociorum Treuttel et Würtz, 1821)

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)

Reliquiae mrkvičkanae - Velenovský, J. (Josef), 1858 -1949 (In Commissione Bibliopolae Fr. Řivnáč, 1922)

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

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

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1914)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1917)

Report - Singapore Agri-Horticultural Society. (Printed at the Straits Times Press, 1866)

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

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1895)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1900)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1905)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1888)

Report / Botanical Exchange Club of the British Isles - Botanical Exchange Club of the British Isles. (1890)

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. (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. (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. (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 / Bury Natural History Society - Bury Natural History Society. (Bury Natural History Society, 1872)

Report, chemical and medical, of the Airthrey mineral springs : and a list of phænogamous plants collected in their vicinity - Royal College of Physicians of Edinburgh. (J. Hewit, 1831)

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

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 botanical exploration of southwestern Virginia during the season of 1892 - Small, John Kunkel, 1869 -1938 (1893)

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, 1868)

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. (1890)

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

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1905)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1930)

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

Report of the Commissioner of Patents for the year 1859 : agriculture (George Bowman, printer, 1860)

Report of the East Kent Natural History Society - East Kent Natural History Society. (1859)

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

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

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 Watson Botanical Exchange Club - Watson Botanical Exchange Club. (1884)

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

Report on the agricultural resources and capabilities of Hawaii - Stubbs, William Carter, 1846 -1924 (Govt. Print. off, 1901)

Report on the flora of western and southern Texas - Havard, Valery, 1846 -1927 (1885)

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)

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 transactions - Cardiff Naturalists' Society.

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

Resources of the southern fields and forests, medical, economical, and agricultural - Porcher, Francis Peyre, 1825 -1895 (Walker, Evans & Cogswell, printers, 1869)

Resources of the southern fields and forests, medical, economical, and agricultural : being also a medical botany of the Confederate States; with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

Resources of the southern fields and forests, medical, economical, and agricultural being also a medical botany of the Confederate States : with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

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

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)

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

Revista del Museo de La Plata - Universidad Nacional de La Plata. (Talleres del Museo de La Plata, 1894)

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

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1912)

Revue bryologique - Laboratoire de cryptogamie (Muséum national d'histoire naturelle) (Laboratoire de cryptogamie, 1913)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1979)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1982)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1957)

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, 1887)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1888)

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 botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1895)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1963)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1970)

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

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1894)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1885)

Revue générale de botanique (Libraire générale de l'enseignement, 1890)

Revue générale de botanique (Libraire générale de l'enseignement, 1895)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1905)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1914)

Revue générale de botanique (Libraire générale de l'enseignement, 1920)

Revue générale des sciences pures et appliquées ([s.n.], 1890)

Revue générale des sciences pures et appliquées ([s.n.], 1905)

Revue horticole (Librairie agricole de la maison rustique, 1829)

Revue mycologique (Bureaux de la rédaction, 1906)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1920)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1906)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1909)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1899)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1901)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1946)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1961)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1962)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1967)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1970)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1974)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1978)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1987)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1994)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1995)

River gardens; being an account of the best methods of cultivating fresh-water plants in aquaria, in such a manner as to afford suitable abodes to ornamental fish, and many interesting kinds of aquatic animals - Humphreys, Henry Noel, 1810 -1879 (S. Low, son, and co, 1857)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1900)

Rochester and district; a sketch-guide to its geology, flora, & fauna - Hepworth, J. (Parrett & Neves, 1913)

Rocky Mountain wild flower studies; an account of the ways of some plants that live in the Rocky Mountain region - Longyear, Burton Orange, 1868 - (Merchants Publishing Co, 1909)

Rod and gun - Canadian Forestry Association. (Rod and Gun Pub. Co. [etc.], 1915)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1950)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2006)

The Romance of wild flowers : a companion to the British flora - Step, Edward, 1855 -1931 (Warne, 1899)

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)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1862)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1948)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1974)

The Saier catalog of rare and popular flower seeds, vegetable and grass seeds : garden bulbs - all kinds, gardener's supplies no. 49-7 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1949)

The Saier catalog of rare and popular flower seeds, vegetable and grass seeds : garden bulbs - all kinds, gardener's supplies no. 50-10 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1950)

The Saier catalog of rare and popular flower seeds, vegetable and grass seeds : garden bulbs - all kinds, gardener's supplies no. 50-8 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1949)

Saier's garden magazine : a manual of rare flowers, their selection and culture vol.2, no. 12 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1951)

Saier's garden magazine : a manual of rare flowers, their selection and culture vol. 3, no. 4 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1953)

Saier's garden magazine : a manual of rare flowers, their selection and culture vol. 3, no. 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1952)