Reading Naturalist. Reading - Reading Natural History Society.

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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)

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

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1912)

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

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1882)

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, 1900)

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Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1913)

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

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Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1935)

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Report / Warwickshire Natural History & Archaeological Society - Warwickshire Natural History; Archaeological Society. (1861)

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, 1853)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1906)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1908)

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

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1886)

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, 1891)

Revue générale de botanique (Libraire générale de l'enseignement, 1891)

Revue générale de botanique (Libraire générale de l'enseignement, 1908)

Revue générale de botanique (Libraire générale de l'enseignement, 1909)

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

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

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

Revue générale de botanique (Libraire générale de l'enseignement, 1921)

Revue horticole (Librairie agricole de la maison rustique, 1862)

Revue horticole (Librairie agricole de la maison rustique, 1866)

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

Revue horticole (Librairie agricole de la maison rustique, 1886)

Revue horticole (Librairie agricole de la maison rustique, 1904)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1906)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1893)

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

Rhizocephala - Smith, Geoffrey, 1881 -1916 (R. Friedländer & Sohn, 1906)

Richardiana (Tropicalia, 2005)

Richardiana (Tropicalia, 2008)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1896)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1898)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1890)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1906)

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

Rock gardening for amateurs - Thomas, H. H. (Harry Higgott) (Cassell and company, limited, 1914)

Rock gardens: how to make and maintain them - Meredith, Lewis B. (Williams & Norgate, 1910)

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)

The sagacity & morality of plants; a sketch of the life & conduct of the vegetable kingdom - Taylor, J. E. (John Ellor), 1837 -1895 (Chatto and Windus, 1884)

Schriften der Königlichen Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Königliche Physikalisch-Ökonomische Gesellschaft zu Königsberg. (In Commission bei Gräfe und Unzer, 1863)

Schweizerisches Pflanzen-Idiotikon : ein Wörterbuch von Pflanzenbenennungen in den verschiedenen Mundarten der deutschen, französischen und italienischen Schweiz : nebst deren lateinischen, französischen und deutschen Namen : zum Gebrauch für Mediciner, Pharmaceuten, Lehrer, Droguisten und Botaniker - Durheim, Carl Jakob, 1780 - (Huber & Comp.(Körber), 1856)

Science - American Association for the Advancement of Science. ([s.n.], 1883)

Science - American Association for the Advancement of Science. ([s.n.], 1912)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1894)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1896)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1898)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1883)

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A season among the wildflowers - Wood, Henry. (.W. S. Sonnenschein, 1883)

La Semaine horticole et revue des cultures coloniales ([s.n.], 1899)

Serial observations on the size of orchid populations in Europe : A characterization of the literature - Vanhecke, Leo (1992)

Serie imperfecta de las plantas aragonesas espontáneas, particularmente de las que habitan en la parte meridional - Loscos Bernál, Francisco. (U. Huerta, 1866)

Sicularum plantarum centuria prima-[secunda] Antonini Bivona Bernardi - Bivona Bernardi, Antonino, 1774 -1837 (Apud Philippum Barravecchia, 1806)

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Sitzungsberichte Abt. 1 Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1913)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse Abt. 3 Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1908)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse Abt. 3 Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1913)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1890)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1989)

Somerset archaeology and natural history : the proceedings of the Somerset Archaeological and Natural History Society - Somerset Archaeological; Natural History Society. (Somerset Archaeological and Natural History Society, 1854)

South Eastern Naturalist (1890)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Willdenow, Karl Ludwig, 1765 -1812 (impensis G.C. Nauk, 1805)

Spicilegium florae Maroccanae - Ball, John, 1818 -1889 (Printed by Taylor and Francis, 1878)

Stein's Orchideenbuch. Beschreibung, Abbildung und Kulturanweisung der empfehlenswertesten Arten. Mit 184 in den Text gedruckten Abbildungen - Stein, Berthold. (P. Parey, 1892)

The study of plants; an introduction to botany and plant ecology - Woodhead, Thomas William (Clarendon Press, 1915)

Sub-alpine plants : or, Flowers of the Swiss woods and meadows - Thompson, Harold Stuart, 1870 -1940 (Routledge, 1912)

Sub-alpine plants : or, flowers of the Swiss woods and meadows - Thompson, Harold Stuart, 1870 -1940 (G. Routledge & Sons, 1912)

Supplément à la flore de la Mayenne [1 and 2] - Léveillé, H. (Hector), 1863 -1918 (Ed. Monnoyer, 1897)

A supplement to Baines' Flora of Yorkshire, with a map : part first, the flowering plants and ferns by John Gilbert Baker : part second, the mosses of the county by John Nowell - Baker, John Gilbert, 1834 -1920 (William Pamplin, 1854)

A survey and record of Woolwich and West Kent containing descriptions and records, brought up-to-date, of geology, botany, zoology, archaeology and industries of the district, with a brief photographic commentary, in commemoration of the 12th Annual Congress, 1907, of the South Eastern Union of Scientific Societies - Grinling, C. H. (Labour Representation Print. Co, 1909)

Symbiogenesis; the universal law of progressive evolution - Reinheimer, Hermann, 1872 - (Knapp, Drewett and sons, ltd, 1915)