Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1943)

Proceedings of the Cotteswold Naturalists' Field Club - Cotteswold Naturalists' Field Club. (1896)

Proceedings of the Essex Institute - Essex Institute. (Essex Institute Press, 1866)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1917)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1918)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1914)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1855)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1906)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1886)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1961)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1979)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1862)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1920)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1957)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1968)

Proceedings of the Zoological and Acclimatisation Society of Victoria, and report of the annual meeting of the society - Zoological; Acclimatisation Society of Victoria. (F. A. Masterman, 1874)

Procès-verbaux - Société Linnéenne de Bordeaux. (1895)

Prodromus plantarum Capensium :quas in promontorio Bonæ Spei Africes, annis 1772-1775 - Thunberg, Carl Peter, 1743 -1828 (J. Edman, 1794)

Prodromus stirpium in horto ad Chapel Allerton vigentium - Salisbury, R. A. (Richard Anthony), 1761 -1829 ([s.n.], 1796)

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, 1868)

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, 1874)

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)

Programme du cours d'histoire naturelle médicale professé à la Faculté de médecine de Paris. 3ème partie, Etude spéciale des plantes employées en médecine - Baillon, H. (Henri), 1827 -1895 (F. Savy, 1878)

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, 1911)

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

Pronunciation of plant names - Garden Club of America. (Reproduced and printed by National Process Company], 1922)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1982)

Pteridologist - British Pteridological Society. (The Society, 2006)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1931)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1936)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1959)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1937)

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

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

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1874)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1878)

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)

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)

Reading Naturalist. Reading - Reading Natural History Society. (1990)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1942)

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

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)

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, 1845)

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

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1914)

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

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

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

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. (1938)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1896)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1898)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1900)

Report of the Director to the Board of Trustees for the year ... - Chicago Natural History Museum. (The Museum, 1959)

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 and papers on botany - Grisebach, A. (August), 1814 -1879 (Printed for the Ray society, 1846)

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, 1914)

Reports of the Princeton University expeditions to Patagonia, 1896-1899. Volume VIII - Hatcher, J. B. (John Bell), 1861 -1904 (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)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Residential sites and environments; their conveniences, gardens, parks, planting, etc - Johnson, Joseph Forsyth. (A.T. Delamare Print. and Pub. Co, 1898)

Résultats du voyage du S.Y. Belgica en 1897-1898-1899 : sous le commandement de A. de Gerlache de Gomery. Rapports scientifiques publiés aux frais du gouvernement belge, sous la direction de la Commission de la Belgica - Belgica (Ship) (Impr. J.E. Buschmann, 1905)

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)

Revision de plantas vasculares Filipinas :memoria elevada al Escmo. Sr. Ministro de Ultramar - Vidal y Soler, Sebastián, 1842 -1889 (Estab. tipo-litográfico de M. Perze, 1886)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1955)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1993)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1994)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1901)

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

Revista de la Facultad de Agronomía y Veterinaria, La Plata (La Facultad, 1897)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1938)

Revue bryologique - Laboratoire de cryptogamie (Muséum national d'histoire naturelle) (Laboratoire de cryptogamie, 1886)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1887)

Revue des sciences naturelles (1873)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1887)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1906)

Revue générale des écrits de Linné; ouvrage dans lequel on trouve les anecdotes les plus intéressantes de sa vie privée, un abrégé de ses systêmes et de ses ouvrages, un extrait des ses Aménités académiques ... - Pulteney, Richard, 1730 -1801 (Buisson, 1789)

Revue générale des sciences pures et appliquées ([s.n.], 1892)

Revue générale des sciences pures et appliquées ([s.n.], 1907)

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

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

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, 1870)

Revue horticole (Librairie agricole de la maison rustique, 1874)

Revue horticole (Librairie agricole de la maison rustique, 1875)

Revue horticole (Librairie agricole de la maison rustique, 1878)

Revue horticole (Librairie agricole de la maison rustique, 1881)

Revue horticole (Librairie agricole de la maison rustique, 1883)

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

Revue horticole (Librairie agricole de la maison rustique, 1889)

Revue horticole (Librairie agricole de la maison rustique, 1892)

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

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

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

Revue horticole (Librairie agricole de la maison rustique, 1900)

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