Plant lists : Costa Rica, Guatemala, and Ecuador - Skutch, Alexander F. (Alexander Frank), 1904 -2004 (1935)

Plant lists : Mexico, Guatamala, and British Honduras - Lundell, Cyrus Longworth, 1907 -1994 (1931)

Plant lists : Panama and Liberia - Slater, George Mackay, (1927)

Plant lists, Philippines - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (1906)

Plant lists : Venezuela - Pittier, Henri, 1857 -1950 (1917)

Plant names, scientific and popular, including in the case of each plant the correct botanical name in accordance with the reformed nomenclature, together with botanical and popular synonyms ... - Lyons, A. B. (Albert Brown), 1841 -1926 (Nelson, Baker & Co, 1900)

The Plant world - Plant World Association. (Plant World Association [etc.], 1900)

Plantae Asiaticae rariores, or, Descriptions and figures of a select number of unpublished East Indian plants - Wallich, N. (Nathaniel),‏ 1786 -1854 (Treuttel and Würtz, 1831)

Plantae Brasiliae centralis a Glaziou lectae = Liste des plantes du Bre´sil central recueillies en 1861-1895 - Glaziou, A. F. M. (Auguste Franois Marie), 1828 -1906 (Au sige de la Socit, 1905)

Plantae diaphoricae florae Argentinae, ó, Revista sistemática de las plantas medicinales, alimenticias ó de alguna otra utilidad y de las venenosas, que son indígenas de la República Argentina ó que, originarias de otros países se cultivan ó se crian éspontáneamente en ella - Hieronymus, G. (Georg), 1846 -1921 (G. Kraft, 1882)

Plantae Hasslerianae, soit énumération des plantes recoltées au Paraguay par le dr. Emile Hassler ... - Chodat, R. (Robert), 1865 -1934 (Impr. Romet, 1898)

Plantae Mexicanae. 1885-1906 - Pringle, Cyrus G. (Cyrus Guernsey), 1838 -1911 (C.G. Pringle, 1894)

Plantae Novae Hispaniae : nutu, ope, et auspicio benignissimi regis Caroli IV, adùc usque collectae, et Linneano systemate ordinatae, quarum tercentae aut plures a nemine unquam editae videntur et rariores iconibus ad vivum repraesentantur - Sessé, Martin, 1809 (Apud I. Escalante, 1887)

Plantae Novae Hispaniae : nutu, ope, et auspicio benignissimi regis Caroli IV, Hucusque collectae, et Linneano systemate ordinatae, quarum tercentae aut plures a nemine unquam editae videntur et rariores iconibus ad vivum repraesentatur - Sessé, Martin, 1809 (Oficina tip. de la Secretaría de fomento, 1893)

Plantae Selerianae : Die von Dr. Eduard Seler und Frau Caecilie in Mexico und Centralamerica gesammelten Pflanzen - Loesener, Th. (Theodor), 1865 -1941 (Imprimerie Romet, 1899)

Plantarum rariorum horti caesarei Schoenbrunnensis descriptiones et icones - Jacquin, Nikolaus Joseph, Freiherr von, 1727 -1817 (Apud C. F. Wappler, 1797)

Plantarum vascularium genera :secundum ordines naturales digesta eorumque differentiae et affinitates tabulis diagnostacis expositae - Weidmann. (Libraria Weidmannia, 1836)

Plantas de la Amazonía peruana : clave para identificar las familias de Gymnospermae y Angiospermae - Vásquez Martínez, Rodolfo (Museo de Historia Natural, 2004)

Les plantes oleagineuses et leurs produits huiles et tourteaux. Les plantes alimentaires des régions intertropicales: cacao, café, canne à sucre, etc - Boëry, Pascal. (Baillière, 1888)

Les plantes utiles des colonies françaises - Lanessan, Jean-Louis de, 1843 -1919 (Impr. nationale, 1886)

Plantes vasculaires - Richard, Achille, 1794 -1852 (A. Bertrand, 1845)

Plants as a guide to mineralization - Carlisle, Donald. (1958)

Plants collected in Ecuador during 1923 by A. S. Hitchcock - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1923)

Plants of Costa Rica collected for chemical testing by B.G. Schubert et al., 1955, 1956, and 1957 - Schubert, Bernice, 1913 -2000 (1957)

Plants of possible insecticidal value : a review of the literature up to 1941 - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945)

Plants of the Bahamas, Jamaica and Grand Cayman - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1893)

A pocket botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms - Lindley, John, 1799 -1865 (J. Andrews, 1840)

Pollen and spores of Barro Colorado Island - Roubik, David W. (David Ward), 1951 - (Missouri Botanical Garden, 1991)

Polypetalae disciflorae Rehmannianae : sive, Enumeratio Linearum, Malpighiacearum, Zygophyllearum ... a cl. Dr. A. Rehmann annis 1875-1880 in Africa australi extratropica collectarum - Szyszyłowicz, Ign. (Ignacy), 1857 -1910 (typis Universitatis Jagellonicae, 1888)

Populäre Naturgeschichte der drei Reiche - Jussieu, Adrien de, 1797 -1853 (Verlag von Scheible, Rieger & Sattler, 1845)

The Practical American gardener; exhibiting the time for every kind of work in the kitchen garden, fruit garden, orchard, nursery, shrubbery, pleasure ground, flower garden, hop yard, greenhouse, hot-house and grape vines; for every (F. Lucas, Jr, 1819)

The practical gardener, and modern horticulturist - McIntosh, Charles, 1794 -1864 (T. Kelly, 1836)

Preliminary catalogue of indigenous Natal plants - Wood, John Medley, 1827 -1915 ("Natal Mercury" steam printing works, 1894)

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

Principia botanica: or, a concise and easy introduction to the sexual botany of Linnaeus ... - Linné, Carl von, 1707 -1778 (Printed by Allin and co. and sold by G. G. J. and J. Robinson, London, 1787)

Principia botanica: or, A concise and easy introduction to the sexual botany of Linnaeus ... Arranged in a tabular form, under each class and order; and digested alphabetically under several generic distinctions. Together with three indexes ... Also a table of several vegetable drugs not in the indexes ... - Darwin, Robert Waring, 1724 -1816 (Printed and sold by M. Hage; [etc., etc.], 1810)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton, 1899)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton and Company, 1881)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton and company, 1914)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton and Company, 1866)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton, 1896)

The principles of biology - Spencer, Herbert, 1820 -1903 (D. Appleton and company, 1896)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1935)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1957)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1907)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1979)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2010)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1978)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1848)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1875)

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 London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1909)

Proceedings of the Scientific Association of Trinidad - Scientific Association of Trinidad. (1864)

Proceedings of the third International Congress of Tropical Agriculture, held at the Imperial Institute, London, S.W., June 23rd to 30th, 1914; including abstracts of the papers, supplied by the authors, and reports of the discussions - International Association of Tropical Agriculture; Colonial Development. (J. Bale, Sons & Danielsson, 1914)

Proceedings of the third International congress of tropical agriculture, held at the Imperial institute, London, S. W., June 23rd to 30th, 1914; including abstracts of the papers - International Association of Tropical Agriculture; Colonial Development. (J. Bale, sons & Danielsson, 1914)

Prodromus florae Norfolkicae, sive, Catalogus stirpium quae in Insula Norfolk annis 1804 et 1805 a Ferdinando Bauer collectae et depictae nunc in Museo Caesareo Palatino Rerum Naturalium Vindobonae servantur - Endlicher, Stephan, 1804 -1849 (Apud Fridericum Beck, 1833)

Prodromus Florae Peninsulae Indiae Orientalis :containing abridged descriptions of the plants found in the peninsula of British India, arranged according to the natural system : Vol. 1 - Wight, Robert, 1796 -1872 (Parbury, Allen & Co, 1834)

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)

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

A provisional list of the indigenous and naturalized flowering plants of Jamaica - Fawcett, William, 1851 -1926 (Aston W. Gardner & Co, 1893)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1895)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1898)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1930)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1940)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1941)

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, 1949)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1950)

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

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1939)

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, 1942)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1944)

[Publications] - Bureau of Government Laboratories - Philippines. Bureau of Government Laboratories. (Bureau of Public Printing, 1905)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2000)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2001)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2003)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2006)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2004)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2007)

Rapid inventories, biological and social - Field Museum of Natural History. (Field Museum, 2008)

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)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1919)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1904)

Le régime forestier aux colonies - International Institute of Differing Civilizations (Institut colonial international, 1914)

Reise in Brasilien : auf Befehl Sr. Majestät Maximilian Joseph I., Königs von Baiern, in den Jahren 1817 bis 1820 gemacht und beschrieben - Spix, Johann Baptist von, 1781 -1826 (M. Lindauer, 1828)

Reise nach den Inseln Teneriffa, Trinidad, St. Thomas, St. Crux und Porto-Rico; auf Befehl der franzo¨sischen Regierung, vom 30. Sept. 1796 bis zum 7. Juni 1789, unter der Leitung des Capitain Baudin unternommen - Sonnini, C. S. (Charles Sigisbert), 1751 -1812 (H. Büschler, 1811)

Reise, nach den spanischen Ländern in Europa und America in den Jahren 1751-bis 1756, nebst Beobachtungen und Anmerkungen über die merkwürdigen Genwächse - Linné, Carl von, 1707 -1778 (G. A. Lange, 1766)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1847)

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)