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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 Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1910)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1883)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1901)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1911)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1933)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1969)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1926)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1901)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1912)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1942)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1960)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1961)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1904)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1921)

Proceedings : Symposium on the Biology of Artemisia and Chrysothamnus : Provo, Utah, July 9-13, 1984 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1986)

Procès-verbaux - Société Linnéenne de Bordeaux. (1947)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1899)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1898)

Prodrome de la flore belge - Wildeman, E. de (Emile), 1866 -1947 (A. Castaigne, 1898)

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)

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 einer Flora des Kronlandes Salzburg und dessen angränzenden Ländertheilen ... - Hinterhuber, Julius, 1810 -1880 (Druck der Oberer'schen Buchdr, 1851)

Prodromus florae Batavae - Nederlandsche Botanische Vereeniging, Leyden. (F.E. MacDonald, 1902)

Prodromus florae batavae; nieuwe lijst der Nederlandsche phanerogamen en vaatkryptogamen - Nederlandsche Botanische Vereeniging (F.E. Macdonald, 1901)

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

Prodromus florae hispanicae, seu synopsis methodica omnium plantarum in Hispania - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1870)

Prodromus florae Hispanicae :seu Synopsis methodica omnium plantarum in Hispania, sponte nascentium vel frequentius cultarum quae innotuerunt - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1870)

Prodromus florae Hispanicae :seu Synopsis methodica omnium plantarum in Hispania, sponte nascentium vel frequentius cultarum quae innotuerunt - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1880)

Prodromus florae Nepalensis : sive Enumeratio vegetabilium quae in itinere per Nepaliam proprie dictam et regiones conterminas, ann. 1802-1803. Detexit atque legit d. d. Franciscus Hamilton, (olim Buchanan) Accedunt plantae a. d. Wallich nuperius missae - Don, David, 1799 -1841 (J. Gale, 1825)

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, 1837)

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, 1838)

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)

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, 1840)

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 (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)

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 (1913)

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 (1934)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1907)

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The pronghorn antelope : its range use and food habits in Central Montana with special reference to wheat - Cole, Glen F. (Montana Fish and Game Dep't, 1958)

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

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1891)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1890)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1984)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1974)

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

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1974)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1981)

Publications in natural sciences = Publications de sciences naturelles - National Museum of Natural Sciences (Canada) (National Museums of Canada, 1985)

Pugillus plantarum imprimis Hispanicarum, quas in itinere 1851-52 - Lange, Joh., 1818 -1898 (B. Luno, 1860)

De pyreneeënbloemen en hare bevruchting door insecten : eene bijdrage tot de bleomengeographie - MacLeod, Julius, 1857 -1919 (Doosselaere, 1891)

Range and pasture management - Sampson, Arthur W. (Arthur William), 1884 -1967 (John Wiley, 1923)

Range management and its ecological basis in the ponderosa pine type of Arizona : the status of our knowledge - Clary, Warren P. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975)

Range pastures in Alberta - Smoliak, S. (Alberta Agriculture, 1988)

Range plant communities and range health assessment guidelines for the mixedgrass natural subregion of Alberta : first approximation - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Public Lands & Forests Division, Rangeland Management Branch, 2005)

Range plant community types and carrying capacity for the lower foothills subregion of Alberta : third approximation - Alberta. Public Lands Division. (Alberta Environment, Land and Forest Service, 2000)

Range plant community types and carrying capacity for the montane subregion : fifth approximation - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Public Lands Division, 2003)

Range plant community types and carrying capacity for the montane subregion : fourth approximation - Willoughby, Michael, 1959 - (Alberta Environment, Lands and Forest Services, 2001)

Range plant community types and carrying capacity for the montane subregion : third approximation - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Lands and Forest Services, 1998)

Range plant community types and carrying capacity for the montane subregion : second approximation - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Lands and Forest Services, 1997)

Range plant community types and carrying capacity for the subalpine and alpine subregions : first approximation - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Lands and Forest Services, 1999)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U. S. Govt. print. off, 1937)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U.S. Govt. print. off, 1937)

Range plants of Arizona and New Mexico : names, symbols and notations - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S.D.A, 1958)

Rangeland, rare plant and weed monitoring in Willmore Wilderness Park - Alberta Land; Forest Services. (Alberta Environment, Land and Forest Service, Natural Resource Service, 2000)

Rangeland reference areas : Castle River range condition and trend from 1953-1995 - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Land and Forest Services, 1997)

Rare and unusual native plants from the Pacific Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl S. English, Jr, 1934)

Rare bulb species suitable for use in American rock gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1928)

Rare flower bulletin bulletin no. 9 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1949)

A rare plant survey of the Wainwright Dunes Ecological Reserve - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Resource Data Branch, Public Lands Division, 2003)

Rare, sensitive, and threatened species of the greater Yellowstone ecosystem - Clark, Tim W. (Northern Rockies Conservation Cooperative, 1989)

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)

Révision des champignons, tant supérieurs qu'inférieurs trouvés jusqu'à ce jour dans les Pays-Bas - Oudemans, C. A. J. A. (Cornelis Antoon Jan Abraham), 1825 -1906 (J. Mller, 1892)

Readings in mammalogy / selected from the original literature and introduced with comments - Anderson, Sydney, 1927 -2018 (Museum of Natural History, University of Kansas, 1970)

Recent advances in cytology - Darlington, C. D. (Cyril Dean), 1903 - (P. Blakiston's son & co., inc, 1937)

Reclamation of disturbed alpine lands : a literature review - Alberta. Land Conservation; Reclamation Council. (Alberta Land Conservation and Reclamation Council, Reclamation Research Technical Advisory Committee, 1990)

Recognizing plant families of the west : field guide - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 2021)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1913)