The weed flora of Iowa ... - Pammel, L. H. (Louis Hermann), 1862 -1931 (Iowa Geological Survey, 1913)

The weed flora of Iowa - Pammel, L. H. (Louis Hermann), 1862 -1931 (Iowa Geological Survey, 1913)

Weed management plan - Montana. Department of Fish, Wildlife,; Parks (Montana Department of Fish, Wildlife and Parks, 1993)

Weeds and how to eradicate them - Shaw, Thomas, 1843 -1918 (Webb Pub. Co, 1911)

Weeds and weed seeds : illustrated and described - Canada. Department of Agriculture. (Dept. of Agriculture, 1922)

Weeds and weed seeds : illustrated and described - Canada. Department of Agriculture. Seed Branch. (Dept. of Agriculture, Seed Branch, 1914)

Weeds and weed seeds : illustrated and described : with notes on seed cleaning - Canada. Department of Agriculture. Seed Branch. (Dept. of Agriculture, Seed Branch, 1935)

Weeds and wild flowers : their uses, legends, and literature - Wilkinson, Caroline Catharine, Lady. (J. Van Voorst, 1858)

Weeds of farm land - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (Longmans, 1920)

Weeds of farm land - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (Longmans, Green and co, 1920)

Weeds of Ontario - Ontario. Dept. of Agriculture. (Dept. of Agriculture, 1893)

Weeds of Ontario - Ontario Agricultural College. (Dept. of Agriculture], 1916)

Weeds of Ontario - Ontario. Dept. of Agriculture. (L.K. Cameron, 1911)

The weeds of Ontario - Harrison, F. C. (Francis Charles), 1871 - (Ontario Dept. of Agriculture, 1900)

Weeds of southwestern Wisconsin and southeastern Minnesota - Pammel, L. H. (Louis Hermann), 1862 -1931 (Pioneer Press Co, 1887)

Weeds of the farm and garden - Pammel, L. H. (Louis Hermann), 1862 -1931 (Orange Judd company; [etc., etc.], 1911)

Weeds of the farm and garden - Pammel, L. H. (Louis Hermann), 1862 -1931 (Orange Judd, 1912)

Weeds of the North Central States - University of Illinois at Urbana-Champaign. Agricultural Experiment Station. (University of Illinois at Urbana-Champaign, College of Agriculture, Agricultural Experiment Station, 1981)

Weeds of the prairies - Alberta. Alberta Agriculture, Food,; Rural Development. (Alberta Agriculture, Food and Rural Development, Publishing Branch, 2000)

The weeds, poison plants, and naturalized aliens of Victoria - Victoria. Dept. of Agriculture. (J. Kemp, Government Printer, 1909)

Weeds, trees, and herbicides : a public forest and rangeland survey - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, 1985)

wei guan shu zhi wu jian ding shou ce 维管束植物鉴定手册 - Lin, Ying 林英 (jiang xi xin hua yin shua chang yin shua 江西新华印刷厂印 刷, 1979)

Welsh botanology ... - Davies, Hugh, Rev. 1739? -1821 (Printed for the author by W. Marchant [etc.], 1813)

Weobecný rostlinopis ili Popsani rostlin we welikém ohledu uitenych a kodliwých - Presl, Jan Svatopluk, 1791 -1849 (W kommissi u Kronbergra a Riwnáe, 1846)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1890)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1891)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1895)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1974)

Whitefly of the world : a systematic catalogue of the Aleyrodidae (Homoptera) with host plant and natural enemy data - British Museum (Natural History) (British Museum (Natural History) and Wiley, 1978)

Wild Flowers at Home : second Series - Todd, Cameron (1906)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Reed, 1910)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson, 1910)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, 1910)

Wild flowers of the North American mountains - Henshaw, Julia W. (Julia Wilmotte) 1869 -1937 (R.M. McBride, 1915)

Wild flowers, perennials, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gunther Gardens, 1929)

Wild flowers worth notice : a selection from the British flora of some of our native plants - Lankester, Phebe, 1825 -1900 (Hardwicke & Bogue, 1876)

Wild flowers worth notice : a selection of some of our native plants which are most attractive from their beauty, uses, or associations - Lankester, Phebe, 1825 -1900 (D. Bogue, 1879)

Wild flowers worth notice : being a selection from the British flora of some of our native plants, which are most attractive from their beauty, uses, or associations - Sowerby, John E. (John Edward), 1825 -1870 (Robert Hardwicke, 1864)

Wild medicinal plants of the United States - United States. Bureau of Plant Industry. (G.P.O, 1906)

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The wilting coefficient for different plants : and its indirect determination - United States. Bureau of Plant Industry. (G.P.O, 1912)

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Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1859)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1870)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1892)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1942)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1945)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1949)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1958)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1961)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1996)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2000)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2004)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2009)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2013)

Die wissenschaftliche Ausbildung des Apothekerlehrlings und seine Vorbereitung zum Gehülfenexamen : mit Rücksicht auf die neuesten Anforderungen - Schlickum, O. (Oscar), 1838 -1889 (Günther, 1884)

Wissenschaftliche Meersuntersuchungen. Abt. Helgoland - Biologische Anstalt Helgoland. (Lipsius und Tischer, 1900)

Wissenschaftliche Meersuntersuchungen. Abt. Helgoland - Biologische Anstalt Helgoland. (Lipsius und Tischer, 1902)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1894)

Die wissenschaftlichen ergebnisse der reise des grafen Béla Széchenyi in Ostasien 1877-1880 : Nach dem im jahre 1890[-1897] erschienenen ungarischen original - Széchenyi, Béla, gróf, 1837 -1918 (In Commission der verlagsbuchhandlung von E. Hölzel, 1898)

Die wissenschaftlichen ergebnisse der reise des grafen Béla Széchenyi in Ostasien 1877-1880 : Nach dem im jahre 1890[-1897] erschienenen ungarischen original - Széchenyi, Béla, gróf, 1837 -1918 (In Commission der verlagsbuchhandlung von E. Hölzel, 1899)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1864)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1866)

Woodhawk botanical survey, Fergus County, Montana, Lewistown District of the Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1997)

Woordenboek of algemeene verhandeling der enkele droogeryen ... : in 't Fransch beschreven - Lémery, Nicolas, 1645 -1715 (By Jan Daniel Beman, 1743)

Works on forestry - Brown, John Croumbie, 1808 -1895 (Oliver and Boyd; [etc., etc.], 1883)

Wörterbücher der Naturgeschichte : in der deutschen, holländischen, dänischen, schwedischen, englischen, französischen, italienischen, Spanischen und Portugisischen Sprache - Nemnich, Philipp Andreas, 1764 -1822 (Adam Friedrich Böhme, 1798)

Wykopaliska Starunskie Son mamut (Elephas primigenius Blum) i Nosorozec wochaty (Rhinoceros antiquitatis Blum. s. tichorhinus Fisch) wraz z wspoczesna flora i fauna, &c. = [On the mammoth and Italian rhinoceros dug up at Staruni, with their associated flora and fauna.] - Bayger, J. A. (Nakł. Muzeum im. Dzieduszyckich, 1914)

Xenia orchidacea : Beiträge zur Kenntniss der Orchideen - Reichenbach, H. G. (Heinrich Gustav) 1824 -1889 (F.A. Brockhaus, 1874)

xi an zhi wu zhi - Xie, Yintang, Wang Mali & Zhao Guifang (shan xi ke xue ji shu chu ban she, 2007)

xian dai shi yong zhong yao 现代实用中药 - Ye, Juquan. 叶橘泉 (ke xue ji shu chu ban she chu ban 科学技术出版社出版, 1959)

xin jiang sheng wu duo yang xing - Yuan, Guoying (xin jiang ke xue ji shu chu ban she, 2008)

Year book - Carnegie Institution of Washington - Carnegie Institution of Washington (Carnegie Institution of Washington, 1905)

Year book - Carnegie Institution of Washington (Carnegie Institution of Washington, 1905)

Year book - Carnegie Institution of Washington - Carnegie Institution of Washington (Carnegie Institution of Washington, 1906)

A year in Fiji, or, An inquiry into the botanical, agricultural, and economical resources of the colony - Horne, John, 1848 -1928 (E. Stanford; [etc., etc.], 1881)

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (G.P.O, 1895)

The Yellowstone National Park - Comstock, Theo. B. (Theodore Bryant), 1849 -1915 (1874)

A Yosemite flora; a descriptive account of the ferns and flowering plants, including the trees, of the Yosemite National Park; with simple keys for their identification ... - Hall, Carlotta Case. (Elder, 1912)

The Young naturalist (1881)

The Young naturalist (1883)

Young's Point Provincial Park and Williamson Provincial Park management plan - Alberta. Alberta Community Development. (Alberta Community Development, Parks and Protected Areas, 2003)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2006)

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zai pei zhi wu ming lu - Zhongguo ke xue yuan. Zhi wu yan jiu suo (zhong guo ke xue yuan)

Zapiski Imperatorskoĭ akademīi nauk, po Fiziko-matematicheskomu otdielenīiu. 8e série = Mémoires de lʹAcadémie impériale des sciences de St.-Pétersbourg, Classe physico-mathématique. 8e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe. (Prodaetsia u Kommissionerov Imperatorskoi Akademiia Nauk, 1898)

Zapiski Imperatorskoĭ akademīi nauk, po Fiziko-matematicheskomu otdielenīiu. 8e série = Mémoires de lʹAcadémie impériale des sciences de St.-Pétersbourg, Classe physico-mathématique. 8e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe. (Prodaetsia u Kommissionerov Imperatorskoi Akademiia Nauk, 1914)

Zeitschrift der Deutschen Geologischen Gesellschaft. A, Abhandlungen - Deutsche Geologische Gesellschaft. (J.G. Cotta'sche Buchhandlung Nachfolger, 1915)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1886)

Zeitschrift des Ferdinandeums für Tirol und Vorarlberg - Ferdinandeum für Tirol und Vorarlberg. (1854)

Zeitschrift des Mährischen Landesmuseums - Hucke, Karl. (Die Gesellschaft, 1913)

Zeitschrift für Pflanzenzüchtung - Bayerischer Saatzuchtverein. (Paul Parey, 1921)

Zeitschrift für Botanik (1912)

Zeitschrift für Botanik (1914)

Zeitschrift für Botanik (1921)

Zeitschrift für Botanik (1922)

Zeitschrift für Botanik (1924)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1854)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1860)