Washburn & Co.'s amateur cultivator's guide to the flower and kitchen garden : containing a descriptive list of two thousand varieties of flower and vegetable seeds : also a list of French hybrid gladiolus - Washburn & Co. (The Company, 1869)

Washburn & Curtis's (late Barnes & Washburn) catalogue of choice flower seeds selected from the stocks of the most celebrated European and American growers : to which is appended a supplementary catalogue of flower seeds, for 1863 containing an additional list of several hundred varities, including upwareds of one hundred new and rare sorts, now offered for the fist time in America with copious descriptive and cultural notes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wasburn & Curtis, 1871)

Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 2017)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1970)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1978)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1985)

The wayside flowers of summer : a study of the conspicuous herbaceous plants blooming upon our norther roadsides during the months of July and August - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner, 1917)

The wayside flowers of summer; a study of the conspicuous herbaceous plants blooming upon our northern roadsides during the months of July and August - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1917)

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)

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

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)

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)

West African forests and forestry - Unwin, Arthur Harold, 1878 - (T. F. Unwin, ltd, 1920)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1900)

West Coast botany : an analytical key to the flora of the Pacific Coast in which are described over eighteen hundred species of flowering plants growing west of the Sierra Nevada and Cascade crests, from San Diego to Puget Sound - Rattan, Volney, 1840 -1915 (Whitaker & Ray, 1898)

Westafrikanische Kautschuk-Expedition - Schlechter, Rudolf, 1872 -1925 (Verlag des Kolonial-Wirtschaftlichen Komitees, 1900)

Westafrikanische Kautschuk-Expedition - Schlechter, Rudolf, 1872 -1925 (Verlag des Kolonial-Wirtschaftlichen Komitees, 1899)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1947)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1986)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1989)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1994)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 2010)

Western flower guide, wild flowers of the Rockies and west to the Pacific - Saunders, Charles Francis, 1859 -1941 (Doubleday, Page & company, 1917)

What comes from what; or, The relationships of animals and plants - Abbott, Charles L. (The author, 1922)

Whirrakee : a monthly newsletter - Bendigo Field Naturalists Club (Bendigo Field Naturalists Club, 1994)

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)

Wholesale catalogue for the season of 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James Vick's Sons, 1900)

Wholesale price-list of garden, flower, tree, agricultural and herb seeds : also, a select list of gladioli and other spring bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1897)

Wholesale price-list of garden, flower, tree, agricultural and herb seeds : also, a select list of gladiolus and other spring bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1895)

Das Wichtigste aus dem Pflanzenreiche - Dietrich, David (August Schmidt, 1838)

Wiener illustrirte garten-zeitung

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1891)

The wild flowers of California : their names, haunts, and habits / by Mary Elizabeth Parsons ; illustrations by Margaret Warriner Buck - Parsons, Mary Elizabeth (Cunningham, Curtiss & Welch, 1907)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (University of the State of New York, 1918)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1918)

Wild flowers of the British Isles - Adams, H. Isabel. (London Book Co. Ltd, 1907)

Wild plants of Canada : a flora, with descriptive key of families represented - Spotton, H. B. (Henry Byron), 1844 -1933 (Gage, 1929)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2004)

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

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

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1908)

Wissenschaftliche Ergebnisse der Deutschen Zentral-Africa-Expedition, 1907-1908 : unter Führung Adolf Friedrichs, Herzogs zu Mecklenburg - Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873 -1969 (Klinkhardt & Biermann, 1914)

Wissenschaftliche Ergebnisse der zweiten Deutschen Zentral-Afrika-Expedition, 1910-1911, unter Führung Adolf Friedrichs - Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873 -1969 (Klinkhardt & Biermann, 1922)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1899)

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.], 1867)

The woody plants of Manhattan in their winter condition - Hitchcock, A. S. (Albert Spear), 1865 -1935 (Mercury Pub. House, 1893)

The world before the deluge - Figuier, Louis, 1819 -1894 (Cassell, Petter & Galpin, 1872)

The World List of Threatened Trees (1998)

World Plant Conservation Bibliography (1990)

Wrightia - University of Texas at Dallas. (University of Texas at Dallas, 1959)

Wrightia - University of Texas at Dallas. (University of Texas at Dallas, 1981)

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

xi bei ye sheng you yong zhi wu shou se - Cui, Youwen. (shan xi ren ming chu ban she)

xian dai hua fen ying yong yan jiu - Zhang, Jintan, Wang Pingli, Hao Haiping & Chen Songbo (ke xue chu ban she, 1990)

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

yao yong zhi wu xue 药用植物学 - quan guo zhong deng wei sheng xue xiao shi yong jiao cai yao yong zhi wu xue bian xie zu 全国中等卫生学校 试用教材药用植物学 编写组 (si chuan ren min chu ban she 四川人民出版社, 1979)

yao yong zuo wu zhai pei ji shu zi liao - Zhong, Jian (nong ye chu ban she, 1959)

A year of Costa Rican natural history - Calvert, Amelia Smith, 1876 -1965 (The Macmillan company, 1917)

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)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 1995)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 1991)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2005)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2002)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2000)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 1997)

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

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2003)

yun nan zhi wu zhi - yun nan sheng zhi wu yan jiu suo (ke xue chu ban she, 1977)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2004)

yun nan zhong zi zhi wu ming lu - Zhongguo ke xue yuan. Kunming zhi wu yan jiu suo bian (yun nan ren min chu ban she)

Yunnan zhong zi zhi wu ming lu - Zhongguo ke xue yuan. Kunming zhi wu yan jiu suo. (Yunnan ren min chu ban she, 1984)

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, 1914)

Zeitschrift für Botanik (1911)

Zeitschrift für Botanik (1912)

Zeitschrift für Botanik (1920)

Zeitschrift für Botanik (1921)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1857)

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1908)

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1817)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1886)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1907)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zeitschrift für Physiologie - Treviranus, Gottfried Reinhold, 1776 -1837 (1826)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1909)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1916)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1917)

Zentralblatt für allgemeine und experimentelle Biologie (S. Hirzel, 1911)

zhi wu fen lei xue jian bian - Hu, Xiansu (gao deng jiao yu chu ban she)

zhong guo dong bei zhi wu jian suo biao - dong bei nong lin xue yuan zhi wu jiao yan zu he bian (dong bei nong lin xue yuan zhi wu jiao yan zu)