The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1909)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1910)

On the geology and natural history of the upper Missouri :Being the substance of a report made to Lieut. G.K. Warren, T.E. U.S.A - Hayden, F. V. (Ferdinand Vandeveer), 1829 -1887 (Printed by C. Sherman & son, 1862)

On the popular names of British plants : being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (F. Norgate; [etc., etc.], 1879)

On the popular names of British plants, being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (Williams & Norgate, 1863)

On the popular names of British plants, being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (Williams and Norgate, 1870)

On the study and value of Chinese botanical works : with notes on the history of plants and geographical botany from Chinese sources - Bretschneider, E. (Emil), 1833 -1901 (1871)

Opmerkingen over eene Buitenzorgsche Kritiek op mijne Exkursionsflora von Java : verweerschrift, op last van den Hoofdinspecteur-Chef van den Dienst van het Boschwezen van Nederlandsch-Indië - Koorders, Sijfert Hendrik, 1863 -1919 (G. Kolff, 1914)

Organic materia medica : including the standard remedies of the leading pharmacopoeas as well as those articles of the newer materia medica ... and of the preparations made therefrom by Parke, Davis & Co. ... - Parke, Davis & Company ([s.n.], 1888)

Die Ostsudeten; eine floristische Skizze - Hruby, Johann. (Landesdurch-forschungs-Komemission, 1914)

Our native birds of song and beauty, being a complete history of all the songbirds, flycatchers, hummingbirds, swifts, goatsuckers, woodpeckers, kingfishers, trogons, cuckoos, and parrots, of North America - Nehrling, Henry, 1853 -1929 (G. Brumder, 1893)

Une page d'histoire de la medecine : la thérapeutique sous les premiers Césars - Lépine, R. (Raphael), 1840 -1919 (F. Alcan, 1890)

Palestine Exploration Fund : quarterly statement - Palestine Exploration Fund. (The Fund, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1883)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1886)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1887)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1892)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1895)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1896)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1904)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1916)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

Pamphlets - Council for Scientific; Industrial Research (Australia) (Govt. Printer, 1918)

Pamphlets on forestry in California (1900)

Pamphlets on forestry in Hawaii (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1971)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1976)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1982)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1985)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1986)

Die Papageien - Finsch, O. (Otto), 1839 -1917 (Brill, 1867)

Parasitic fungi of Illinois. Part II, Erysipheae, Lév - Earle, F. S. (Franklin Sumner), 1856 -1929 (J.W. Franks & Sons, 1887)

Parasitic fungi of Illinois / by T.J. Burrill - Earle, F. S. (Franklin Sumner), 1856 -1929 (J. W. Franks, 1885)

Parasitic fungi of Illinois / by T.J. Burrill - Earle, F. S. (Franklin Sumner), 1856 -1929 (J. W. Franks, 1887)

Parrots - Cuvier, Georges, baron, 1769 -1832 (Chatto & Windus, 1845)

Parte práctica de botánica del caballero Cárlos Linneo, que comprehende las clases, órdenes, géneros, especies y variedades de las plantas, con sus caracteres genéricos y especificos, sinónimos mas selectos, nombres triviales, lugares donde nacen, y propriedades - Linné, Carl von, 1707 -1778 (En la Imprenta Real, 1784)

Paxton's Botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms. New ed. including all the new plants up to the present year - Paxton, Joseph, Sir, 1803 -1865 (Bradbury, Evans, & co, 1868)

Pedanii Dioscoridis anazerbei De materia medica libri quinque : ad fidem cadicum manuscriptorum - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Cnobloch, C. (Carl), 1778-1834, 1829)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1852)

Die Pflanzendecke Österreich-Ungarns. Auf Grund fremder und eigener Forschungen geschildert - Hayek, August von, 1871 -1928 (F. Deuticke, 1914)

Das Pflanzenleben der Schweiz - Christ, H. (Hermann), 1833 -1933 (F. Schulhess, 1882)

Die Pflanzennamen der deutschen Flora : mit den wichtigern Synonymen in alphabetischer Ordnung, etymologisch erklärt - Martin, Adolf. (H.W. Schmidt, 1851)

Die Pflanzenstoffe, botanisch-systematisch bearbeitet ; chemische Bestandteile und Zusammensetzung der einzelnen Pflanzenarten, Rohstoffe und Produkte. Phanerogamen - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1911)

Die Pflanzenwelt Deutschlands; Lehrbuch der Formations- biologie. Eine Darstellung der Lebensgeschichte der wildwachsenden Pflanzenvereine und der Kulturflächen - Graebner, Paul, 1871 -1933 (Quelle & Meyer, 1909)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1881)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1878)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1882)

Pharmacographia indica a history of the principal drugs of vegetable origin, met with in British India - Dymock, William, 1834 -1892 (K. Paul, Trench, Trübner, 1890)

Physiographiska Sällskapets Årsberättelse - Physiographiska Sallskapet i Lund. (1823)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1915)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1918)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeography of Nebraska. 1. General survey by Roscoe Pound and Frederic E. Clements - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Published by the Seminar, 1900)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1971)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1977)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1978)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1983)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1985)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1987)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1989)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1992)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1994)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1995)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1996)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2009)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2010)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2019)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1862)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

Phytoneuron (Guy L. Nesom, 2012)

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2017)

Phytoneuron (Guy L. Nesom, 2020)

Le piante vascolari raccolte dal Rev. P.C. Silvestri nell'Hu-peh, durante gli anni 1904-1907 (e negli anni 1909, 1910) - Silvestri, Cipriano. (Pellas, 1911)

The pictorial museum of animated nature - Knight, Charles, 1791 -1873 (C. Cox, 1844)

The pictorial museum of animated nature - William Clowes; Sons, (George Cox, 18 King Street, Covent Garden, 1844)

The pictorial museum of animated nature ... - Knight, Charles, 1791 -1873 (C. Knight, 1844)

The pipevine - California Native Plant Society. Mount Lassen Chapter. (Mount Lassen Chapter, California Native Plant Society, 2023)

Plant analysis: qualitative and quantitative - Dragendorff, G. (Georg), 1836 -1898 (G. E. Stechert, 1909)

Plant analysis : qualitative and quantitative - Dragendorff, G. (Georg), 1836 -1898 (Baillière, Tindall and Cox, 1884)

Plant analysis : qualitative and quantitative - Dragendorff, G. (Georg), 1836 -1898 (Baillière, Tindall, 1884)

Plant communities of playa wetlands in the southern Great Plains - Haukos, David A. (Museum of Texas Tech University, 2004)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1956)

Plant life, considered with special reference to form and function - Barnes, Charles Reid, 1858 -1910 (H. Holt & company, 1898)

Plant life of Alabama, an account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state - Mohr, Charles (Charles Theodore), 1824 -1901 (Brown printing co, 1901)

Plant life of Alabama. An account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state. Prepared in cooperationwith the Geological Survey of Alabama - Mohr, Charles (Charles Theodore), 1824 -1901 (Govt. Print. Off, 1901)

Plant lists - Watson, Sereno, 1826 -1892 (1867)

Plant lists : China - Metcalf, Franklin P. (Franklin Post), 1892 -1955 (1924)

Plant morphogenesis as the basis for scientific management of range resources : Proceedings of the workshop of the United States-Australia Rangelands Panel, Berkeley, California, March 29-April 5, 1971 - United States-Australia Rangelands Panel. Workshop Berkeley, Calif.) 1971 - (Agricultural Research Service, U.S. Dept. of Agriculture, 1974)

Plant species of concern and plant associations of Powder River county, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2002)

Plantae bakerianae - Greene, Edward Lee, 1843 -1915 (s.n, 1901)

Plantae Bakerianae - Greene, Edward Lee, 1843 -1915 (s.n, 1901)

Plantæ Bakerianæ - Greene, Edward Lee, 1843 -1915 (s.n, 1901)

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

Plantae Plandomenses; or, A catalogue of the plants growing spontaneously in the neighbourhood of Plandome, the country residence of Samuel L. Mitchill - Eddy, Caspar Wistar, 1790 -1828 (1807)

Plantae vasculares seu cotyledoneae Scandanaviae, nempe Sveciae et Norvegiae : juxta regni vegetabilis systema naturale digestae - Beurling, Pehr Johan, 1800 -1866 (P. A. Norstedt, 1859)

Plantas Romaniae hucusque cognitas - Kanitz, Ágost, 1843 -1896 (Apud E. Demjén, 1879)

Plantes toxiques du Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Plantes usuelles, indigènes et exotiques : décrites ou indiquées par Chomel, dessinées dans l'état de floraison par des artistes distingués - Dubuisson, J. B. Rémi-Jacquelin, 1777 - (Duprat-Duverger, 1809)

Plants of Mississippi : a list of flowering plants and ferns - Lowe, E. N. (Ephraim Noble), 1864 -1933 (Mississippi State Geological Survey, 1921)

Plants of Monroe County, New York, and adjacent territory - Beckwith, Florence. (1896)

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 Rhode Island : being an enumeration of plants growing without cultivation in the State of Rhode Island - Bennett, James Lawrence, 1832 -1904 (Providence Press, 1888)

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

Plants of the Punjab : a descriptive key to the flora of the Punjab, North-west Frontier Province, and Kashmir - Bamber, Charles James, 1855 - (Supt. Govt. Printing, Punjab, 1916)

Plants of the Punjab; a descriptive key to the flora of the Punjab, North-west Frontier Province and Kashmir - Bamber, Charles James, 1855 - (Printed by The Superintendent Government Printing, 1916)

Plants of the U.S. Military Academy, West Point, New York - Barringer, Kerry Alan (Brooklyn Botanic Garden, 1990)

Plants tested for or reported to possess insecticidal properties - McIndoo, N. E. (Norman Eugene), 1881 -1956 (U.S. Dept. of Agriculture, 1924)

Poisonous outdoor plants - Alberta. Alberta Agriculture; Rural Development. (Alberta Agriculture and Rural Development, 1995)

Poisonous plants of Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)