A preliminary list of the plants of New Brunswick - Fowler, James, 1829 -1923 (Ellis, Robertson & Co, 1885)

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

Principal range plants of the central and southern Rocky Mountains : names and symbols - Nickerson, Mona F. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1976)

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)

Principios de botanica : sacados de los mejores escritores : y puestos en la lengua castellana parte primera - Barnades, Miguel, 1708 -1771 (En la Imprenta de Antonio Perez De Soto, 1767)

The principles of botany, structural, functional and systematic, condensed and immediately adapted to the use of students of medicine - Willshire, William Hughes 1816 -1899 (Hightley, 1840)

Proceedings and Report of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1964)

Proceedings and Transactions of the Croydon Microscopical & Natural History Club - Croydon Microscopical; Natural History Club. (1871)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1962)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1880)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1882)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1913)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1922)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1954)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1956)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1965)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1967)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1960)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1885)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1917)

Proceedings of the California Academy of Sciences 3d ser Geology - California Academy of Sciences (The Academy, 1897)

Proceedings of the California Academy of Sciences 3d ser Zoology - California Academy of Sciences (The Academy, 1897)

Proceedings of the California Academy of Sciences 3rd ser., Botany - California Academy of Sciences (The Academy, 1897)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1923)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1924)

Proceedings of the Cotteswold Naturalists' Field Club - Cotteswold Naturalists' Field Club. (1910)

Proceedings of the Delaware County Institute of Science - Delaware County Institute of Science. (The Institute, 1905)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1895)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1916)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1906)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1913)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1920)

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.], 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 Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1928)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1933)

Proceedings of the Literary and Philosophical Society of Liverpool - Literary; Philosophical Society of Liverpool. (1849)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1878)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1944)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1963)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1969)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1894)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1888)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1893)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1892)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1894)

Prodrome d'histoire naturelle du département du Var. 1ère ptie (Imprimerie de P. Garcin, 1853)

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)

Prodrome de la flore corse : comprenant les résultats botaniques de six voyages exécutés en Corse sous les auspices de M. Emile Burnat - Briquet, John, 1870 -1931 (Georg, 1910)

Prodrome de la flore du Brabant ou catalogue raisonné des plantes qui croissent spontanément dans cette province, et de celles qui y sont généralement cultivées - Wesmael, Alfred, 1832 -1905 (C.-J. Fonteyn, 1861)

Prodrome de la flore du Grand-Duché de Luxembourg - Koltz, J. P. J. (Jean Pierre Joseph), 1827 -1907 (L. Schamburger, 1873)

Prodromo della flora toscana, ossia, Catalogo metodico delle piante che nascono salvatiche in Toscana e nelle sue isole, o che vi sono estesamente coltivate, con la indicazione dei luoghi nei quali si trovano, del tempo della loro fioritura e fruttificazione, dei loro nomi volgari ed usi - Caruel, Teodoro, 1830 -1898 (Coi tipi di F. Le Monnier, 1860)

Prodromus florae argentoratensis - Spielmann, Jacob Reinbold, 1722 -1783 (Apud J.G. Bauerum, 1766)

Prodromus florae Batavae - Nederlandsche Botanische Vereeniging, Leyden. (F.E. MacDonald, 1916)

Prodromus florae Eystettensis. Versuch einer systematischen Characteristik der in der näheren und ferneren Umgebung Eichstätt's wildwachsenden Gefässpflanzen - Hoffmann, Philipp. (Brönner, 1870)

Prodromus florae Hercyniae; oder, Verzeichniss der in dem Harzgebiete wildwachsenden Pflanzen, nach dem Sexualsystem geordnet - Hampe, Ernst, 1795 -1880 (Gebauer, 1836)

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

Prof. dr. Thom©♭'s Flora von Deutschland, ©sterreich und der Schweiz in wort und bild f©ơr schule und haus - Thomé, Otto W. (Otto Wilhelm), 1840 -1925 (F. E. K©œhler, 1886)

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 (1886)

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 (1903)

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 (1889)

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 (1905)