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)

Webbia - Webb, Philip Barker, 1793 -1854 (Istituto botanico dell'Università di Firenze, 1905)

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, 1988)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1993)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1995)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1998)

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

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)

The Whole fungus : the sexual-asexual synthesis - Kendrick, Bryce. (Published by National Museum of Natural Sciences and National Museums of Canada, 1979)

Wiener's plant book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wiener Nursery, 1940)

Wiener's plant book, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wiener Nursery, 1939)

Wiener's plant book for 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wiener Nursery, 1941)

Wild and cultivated plants poisonous to humans in Canada : a preliminary inventory - Mulligan, Gerald A., 1928 - (Research Branch, Agriculture Canada, 1984)

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

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

Wildland shrubs– their biology and utilization - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1972)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2006)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2009)

Winter botany - Trelease, William, 1857 -1945 (The author, 1918)

Winter botany, a companion volume to the author's Plant materials of decorative gardening - Trelease, William, 1857 -1945 (Trelease, 1918)

Winter botany, a companion volume to the author's Plant materials of decorative gardening - Trelease, William, 1857 -1945 (The author, 1918)

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)

Woody plants in winter; a manual of common trees and shrubs in winter in the Northeastern United States and southeastern Canada - Ammons, Nelle P. 1889 - (Boxwood Press, 1958)

The woody plants of Kentucky - Garman, Harrison, 1858 - (Kentucky Agricultural Experiment Station of the State University, 1913)

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

Woody plants of the western national parks; containing keys for the identification of trees and shrubs - Bailey, Harold Edwards, 1906 - (University Press, 1949)

World Plant Conservation Bibliography (1990)

The world's commercial products : a descriptive account of the economic plants of the world and of their commercial uses - Freeman, William George, 1874 - (Morang, 1907)

The world's commercial products; a descriptive account of the economic plants of the world and of their commercial uses - Wilson, Ernest Henry, 1876 -1930 (Sir I. Pitman and sons, limited, 1907)

Wrightia - University of Texas at Dallas. (University of Texas at Dallas, 1969)

Wrightia - University of Texas at Dallas. (University of Texas at Dallas, 1971)

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

wu zhong de bao hu - jiang zhi gang xie zong qiang (zhong guo lin ye chu ban she, 2008)

Die Wurzelhaare der Pflanzen, ein Beitrag zur Biologie und Physiologie dieser Organe ... - Schwarz, Frank, 1857 -1928 (Druck der Breslauer Genossenschafts-Buchdruckerei, Eingetr. Gen, 1883)

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)

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

Yang ming shan guo jia gong yuan cui cui gu zhao ce sheng tai xi zhi yan jiu diao cha 陽明山國家公園翠翠谷沼澤生態系之研究調查 - Lu, Guangyang (呂光洋), Wang Zhenzhe, Cao Jieru, Lu Yujuan, Zhang Weisa, Chen Yilong, Hua Bingrong, Ma Xiequn. (guo li tai wan shi fan da xue, 1990)

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)

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)

you hua zhi wu ke zhi shuang zi ye zhi wu - Hutchinson, J. (John) 1884 -1972 (shang wu yin shu guan)

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, 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, 2006)

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

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)

Zeitschrift des Mährischen Landesmuseums - Hucke, Karl. (Die Gesellschaft, 1907)

Zeitschrift für Pflanzenzüchtung - Bayerischer Saatzuchtverein. (Paul Parey, 1913)

Zeitschrift für Botanik (1911)

Zeitschrift für Botanik (1913)

Zeitschrift für Botanik (1922)

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

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, 1900)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1916)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1918)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1919)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1905)

Zentralblatt für Zoologie, allgemeine und experimentelle Biologie (B.G. Teubner, 1913)

zhe jiang tian mu shan yao yong zhi wu zhi 浙江天目山药用植物志 - Zhejiang ren min chu ban she 浙江人民出版社 (zhe jiang ren min chu ban she chu ban浙江人民出版社出版, 1965)

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

zhong guo bao fen hua shi wan bai e shi he di san ji bao fen - Song, Zhichen (ke xue chu ban she, 1999)

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)

zhong guo sha chong zhi wu zhi 中国杀虫植物志 - Jiang, Chuanyi 姜传义 (xin jiang ke ji wei sheng chu ban she ( K )新疆科技卫生出版社(K), 2000)

zhong guo sha mo zhi wu zhi - Liu, Yingxin (ke xue chu ban she, 1987)

zhong guo tan yang qu zhi wu zhi - Xu, Yangpeng & Wang Kezhi (ning xia ren min chu ban she, 1988)

zhong guo tan yang qu zhi wu zhi - Xu, Yangpeng & Wang Kezhi (ning xia ren min chu ban she, 1996)

zhong guo zhi wu ke shu jian suo biao - Zhongguo zhi wu yan jiu suo bian (zhong guo ke xue yuan zhi wu yan jiu suo, 1953)

zhong guo zhong zi zhi wu fen ke jian suo biao - Geng, Yi Li (ke xue chu ban she, 1958)

zhong guo zhong zi zhi wu fen ke jian suo biao fu qiang wei ke dou ke ji he ben ke deng fen shu jian suo biao - Geng, Yi Li (zhong guo ke xue tu shu yi qi gong si, 1951)

zhong guo zhong zi zhi wu fen lei xue - zheng mian (xin ya shu dian chu ban, 1954)

zhong guo zhong zi zhi wu fen lei xue - zheng mian (zhong guo ke xue tu shu yi qi gong si, 1956)

zhong guo zhong zi zhi wu ke shu ci dian - Hou, Kuanzhao 侯宽昭 (ke xue chu ban she, 1982)

zhong yao nong lin wai lai ru qin wu zhong de sheng wu xue yu kong zhi - Zheng, Xiaobo. (ke xue chu ban she, 2005)

zhong zi zhi wu fen lei xue jiang yi - Hu. Xianxiao (zhong hua shu ju chu ban, 1954)

zhong zi zhi wu ming cheng - Zhongguo ke xue yuan bian yi ju (zhong guo ke xue yuan, 1954)

zhong zi zhi wu shu zhong jian suo biao . shang ce 种子植物属种检索表.上册 - Shanghai shi fan xue yuan hua dong shi fan da xue 上海师范学院, 华东师范大学 (ren min jiao yu chu ban she 人民教育出版社, 1980)