Proceedings of the Royal Society of London Series B Containing papers of a Biological character - Royal Society (Great Britain) (Printed for the Royal Society and sold by Harrison & Sons, 1907)

Proceedings of the Royal Society of London Series B Containing papers of a Biological character - Royal Society (Great Britain) (Printed for the Royal Society and sold by Harrison & Sons, 1909)

Proceedings of the Royal Society of London Series B Containing papers of a Biological character - Royal Society (Great Britain) (Printed for the Royal Society and sold by Harrison & Sons, 1921)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1911)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1989)

Prodrome de la flore algologique des Indes Néerlandaises (Indes Néerlandaises et parties des territoires de Bornéo et de la Papuasie non Hollandaises) : supplement et tableaux statistiques - Wildeman, E. de (Emile), 1866 -1947 (Jardin botanique de Buitenzorg, 1899)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1898)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1899)

Prodrome de la flore belge - Wildeman, E. de (Emile), 1866 -1947 (A. Castaigne, 1898)

Prodromus florae Novo-Granatensis - Planchon, Jules-Emile, 1823 -1888 (V. Masson, 1862)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1824)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1846)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1873)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1842)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1907)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1910)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1907)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1914)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1914)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1956)

Publications - Ontario Fisheries Research Laboratory. (University of Toronto Press, 1922)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1973)

Publications - Puget Sound Biological Station - Puget Sound Biological Station. (Puget Sound Biological Station, University of Washington, 1915)

Puget Sound Marine Station publications - Puget Sound Marine Station (Puget Sound Marine Station, University of Washington?, 1916)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1975)

A quantitative and statistical study of the plankton of the San Joaquin River and its tributaries in and near Stockton, California, in 1913 - Allen, Winfred Emory, 1873 -1947 (University of California Press, 1920)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1853)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1860)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1866)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1867)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1873)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1948)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1950)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1954)

Résultats scientifiques du Congrès international de botanique, Vienne 1905 = Wissenschaftliche Ergebnisse des Internationalen botanischen Kongresses, Wien 1905 - Lotsy, Johannes Paulus, 1867 -1931 (G. Fischer, 1906)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1904)

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

Reflections on the phenomenon of rejuvenescence in nature, especially in the life and development of plants - Braun, Alexander, 1805 -1877 (1851)

Règles internationales de la nomenclature botanique adoptées par le Congrès international de botanique de Vienne, 1905 = International rules of botanical nomenclature adopted by the International Botanical Congresses of Vienna, 1905 and Brussels, 1910 = Internationale Regeln der botanischen Kongressen zu Wien 1905 und Bruüssel 1910 - Briquet, John, 1870 -1931 (G. Fischer, 1912)

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 specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1913)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1907)

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

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1932)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1913)

Report of the Commissioner of Fisheries to the Secretary of Commerce and Labor for the fiscal year ended ... - United States. Bureau of Fisheries. (G.P.O, 1909)

Report of the scientific results of the voyage of S.Y. "Scotia" during the years 1902, 1903, and 1904, under the leadership of William S. Bruce - Bruce, William S. 1867 -1921 (The Scottish oceanographical laboratory, 1907)

Report on the scientific results of the voyage of S.Y. "Scotia" during the years 1902, 1903 and 1904, under the leadership of William S. Bruce - Bruce, William S. 1867 -1921 (Scottish Oceanographical Laboratory, 1912)

Report on the vegetation of the Andaman Islands. Accompanied by a report on the forests and a map - Kurz, Sulpiz, 1833? -1878 (Office of Superintendent of Government Printing, 1870)

Reproduction des cryptogames - Rietsch, Maximilien. (G. Baillière, 1882)

Research in photosynthesis; papers and discussions presented at the Gatlinburg conference, October 25-29, 1955, sponsored by the Committee on Photobiology of the National Academy of Sciences-National Research Council and supported by the National Science Foundation - Gaffron, H. (Interscience Publishers, 1957)

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

Review of benthic invertebrates and epilithic algae at long-term monitoring sites in the Bow River - Alberta. Alberta Environment. (Alberta Environment, 2009)

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.], 1898)

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

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1924)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1928)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1929)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1931)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1932)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1934)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1936)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1939)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1954)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1957)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1960)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1964)

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

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1967)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1968)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1971)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1976)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1978)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1963)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1925)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1930)

Revue biologique du nord de la France (Le Bigot, 1894)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1893)

Revue des sciences naturelles (1883)