Die Pflanzenfeinde aus der Klasse der Insekten. Ein nach Pflanzenfamilien geordnetes Handbuch sämmtlicher auf den einheimischen Pflanzen bisher beobachteten Insekten zum Gebrauch für Entomologen, Insektensammler, Botaniker, Land- und Forstwirthe und Gartenfreunde - Kaltenbach, J. H. (Johann Heinrich), 1807 -1876 (J. Hoffmann, 1874)

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)

Pflanzenphänologische Beobachtungen in Finland ... - Brotherus, V. F. (Viktor Ferdinand), 1849 -1929 (Druckerei der Finnischen Litteraturgesellschaft, 1884)

Pflanzenphysiologie. Ein Handbuch des Stoffwechsels und Kraftwechsels in der Pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1881)

Pflanzenphysiologie. Ein handbuch des stoffwechsels und kraftwechsels in der pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1881)

Pflanzenphysiologie; Versuche und Beobachtungen an böheren und niederen Pflanzen einschliesslich Bakteriologie und Hydrobiologie mit Planktonkunde - Kolkwitz, R. (Richard), 1873 -1956 (G. Fischer, 1922)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1900)

Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete - Engler, Adolf, 1844 -1930 (D. Reimer, 1895)

The phanerogams of the Juan Fernandez Islands - Skottsberg, Carl, 1880 -1963 (1921)

Pharmacal plants and their culture - Schneider, Albert, 1863 -1928 (Richardson, Superintendent of State Printing, 1912)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1877)

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

Pharmacographia indica :A history of the principal drugs of vegetable origin, met with in British India - Dymock, William, 1834 -1892 (K. Paul, Trench, Trübner & co., ld; [etc. etc.], 1891)

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)

Pharmakognosie :ein Lehr- und Handbuch für Studierende, Apotheker, Drogisten, Sanitätsbeamte und Aerzte - Vogl, A. E. (August Emil), 1833 -1909 (C. Gerold's Sohn, 1892)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1990)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1995)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1912)

The Philosophical transactions of the Royal society of London, from their commencement in 1665, in the year 1800 - Royal Society (Great Britain) (Printed by and for C. and R. Baldwin, 1809)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1757)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1765)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1842)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1879)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1883)

Phylloxera vastatrix. Enquête de l'Académie des Sciences, pendant les années 1873 à 1878. Recueil de documents - Académie des sciences (France) (Gauthier-Villars, 1879)

Physiographiska Sällskapets Tidskrift - Physiographiska Sallskapet i Lund (1837)

Physiology at the farm in aid of rearing and feeding the live stock - Seller, William, 1798 -1869 (W. Blackwood and sons, 1867)

Physiology at the farm in aid of rearing and feeding the live stock - Stephens, Henry, 1795 -1874 (W. Blackwood, 1867)

Physiotypia plantarum Austriacarum : die Gefässpflanzen Österrichs in Naturselbstdruck mit besonderer Berücksichtigung der Nervation in den Flächenorganen der Pflanzen - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (F. Tempsky in Prag, 1873)

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)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1921)

Phytochemie - Rochleder, Friedrich, 1819 -1874 (W. Engelmann, 1854)

Phytographia; ou, Botanica brasileira applicada á medicina, ás artes e á industria, seguida de un supplemento de materia medica, inclusive as plantas conhecidas e applicadas pelos indios em suas enfermidades - Mello Moraes, A. J. de (Alexandre Jos), 1816 -1882 (B. L. Garnier, 1881)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1964)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1966)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1975)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1980)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1981)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1982)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1990)

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, 2006)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2021)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1855)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1857)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1860)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1861)

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)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1847)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1850)

Phytoneuron (Guy L. Nesom, 2010)

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2012)

Phytoneuron (Guy L. Nesom, 2019)

Phytopathologie. Die krankheiten der culturgewächse. Für land- und forstwirthe, gärtner und botaniker - Hallier, Ernst, 1831 -1904 (W. Engelmann, 1868)

Le piante fanerogame della Svissera insubrica : enumerate seconde il metodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

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. Knight, 1844)

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

Die Pilze Böhmens - Bubák, František, 1866 -1925 (In Commission bei F. ivna, 1908)

Die Pilze (Fungi) von Tirol, Vorarlberg und Liechtenstein - Magnus, P. (Paul), 1844 -1914 (Verlag der Wagner'schen Universitts-Buchh, 1905)

Die Pilze Schlesiens - Schroeter, J. (J.U. Kern's Verlag, 1889)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1942)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1967)

Plant-life - Hall, Charles A. (Charles Albert), 1872 -1965 (A. & C. Black, 1915)

Plant-life - Hall, Charles A. (Charles Albert), 1872 -1965 (Black, 1915)

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 - 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)

The plant life of Maryland - Shreve, Forrest, 1878 -1950 (Johns Hopkins Press, 1910)

Plant list of Waterloo County - Montgomery, F. H. (Frederick Howard), 1902 - (1943)

Plant lists - Bartlett, Harley Harris, 1886 -1960 (1928)

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

Plant lists : Colombia, Chile, Peru, and Brazil - Smith, Albert C. (Albert Charles), 1906 Apr 5 - (1922)

Plant lists, Maine, Vermont, New Hampshire - Perkins, Anne E., (1927)

Plant lists : Mexico, Central and South America - Rose, J. N. (Joseph Nelson), 1862 -1928 (1914)

Plant lists : Texas - Lay, Daniel W., (1930)

Plant lore, legends, and lyrics. Embracing the myths, traditions, superstitions, and folk-lore of the plant kingdom - Folkard, Richard. (S. Low, Marston, Searle, and Rivington, 1884)

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

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

The Plant world - Plant World Association. (Plant World Association [etc.], 1913)

Plantae Bakuenses Bruhnsii = Verzeichniss der von dem Prov. Alexander Bruhns auf der Insel Sswätoi und der Halbinsel Apscheron während der Jahre 1863-1865 gesammelten Pflanzen - Gruner, Leopold. (In der Buchdruckerei der Kaiserlichen Universität, 1868)

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, 1910)

Plantae ecuadorenses - Sodiro, Luis, 1836 -1909 (1898)

Plantæ favershamienses : a catalogue of the more perfect plants growing spontaneously about Faversham, in the county of Kent - Jacob, Edward, 1709 or 1710 -1788 (Printed for the author; by J. March, 1777)

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

Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss - Lehmann, Johann Georg Christian, 1792 -1860 (Sumptibus Meissneri, 1844)

Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss - Lehmann, Johann Georg Christian, 1792 -1860 (Sumptibus Meissneri, 1846)

Plantae quaedam niloticae : quas in itinere cum divo Adalberto libero barone de Barnim facto collegit Robertus Hartmann - Schweinfurth, Georg August, 1836 -1925 (G. Reimer, 1862)