West Virginia trees - Brooks, A. B. (Alonzo Beecher) (1920)

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)

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

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1886)

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)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2003)

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

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 (The author, 1918)

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

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 Schwedischen Südpolar-Expedition, 1901-1903 - Nordenskjöld, Otto, 1869 -1928 (Lithographisches Institut des Generalstabs, 1905)

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)

World Atlas of Biodiversity: earth's living resources in the 21st century - Groombridge, Brian (UNEP-WCMC, 2002)

World Atlas of Great Apes and their Conservation - Caldecott, Julian Oliver (University of California Press, 2005)

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)

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)

xi nan di qu gu sheng wu tu ce wei ti gu sheng wu fen ce - di zhi kuang chan bu cheng du di zhi kuang chan yan jiu suo (di zhi chu ban she, 1983)

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)

yan jiu bao gao 研究报告 - lin ye bu lin ye ke xue yan jiu suo 林业部林业科学研究所 (lin ye bu lin ye ke xue yan jiu suo chu ban 林业部林业科学研究所出版, 1956)

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)

Yearbook of the Heather Society - Heather Society (The Society, 2001)

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

The young lady's book of botany : being a popular introduction to that delightful science - University of Leeds. Library. (Robert Tyas, 1838)

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, 2005)

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

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 der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1852)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1872)

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

Zeitschrift für Botanik (1913)

Zeitschrift für Botanik (1916)

Zeitschrift für Botanik (1921)

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

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1881)

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

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik (S. Hirzel [etc.], 1914)

Zentralblatt für Zoologie, allgemeine und experimentelle Biologie (B.G. Teubner, 1915)

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)

Zhi wu ming lu shi yi = 植物名彙拾遺 - Zhang, Zongxu 張宗緒 (Hang wu yin shu guan, 1919)

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 sen lin zhi wu zhi - Qian, Chongshu. 钱崇澍 (zhong guo ke xue tu shu yi qi gong si)

zhong guo sen lin zhi wu zhi 中国森林植物志 - Qian, Chongshu. 钱崇澍 (zhong guo ke xue tu shu yi qi gong si中国科学图书仪器公司, 1950)

zhong guo seng lin di li zi ran fen qu zong lun.1956nian ying lin bu fen,lin ye bu lin ye ke xue yan jiu suo yan jiu bao gao 中国森林地理自然分区总论.1956年营林部分,林业部林业科学研究所研究报告 - sen lin di li yan jiu shi, wu zhong lun 森林地理研究室主编, 吴中伦主编 (lin ye bu lin ye ke xue yan jiu suo 林业部林业科学研究所, 1958)

zhong guo sheng wu duo yang xing bao hu zong shu - Ma, Jingneng & Liu Xiaoping. (zhong guo lin ye chu ban she, 1998)

zhong guo sheng wu duo yang xing di li tu ji - Xie, Yan, Zhang Shuang & Wang Wei (hu nan jiao yu chu ban she, 2009)

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 ke shu ci dian - Hou, Kuanzhao 侯宽昭 (ke xue chu ban she, 1982)

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)

Zhongguo ke xue yuan Nanjing di zhi gu sheng wu yan jiu suo ji kan - Zhongguo ke xue yuan. Nanjing di zhi gu sheng wu yan jiu suo. (Ke xue chu ban she, 1978)

Zhongguo ke xue yuan Nanjing di zhi gu sheng wu yan jiu suo ji kan - Zhongguo ke xue yuan. Nanjing di zhi gu sheng wu yan jiu suo. (Ke xue chu ban she, 1988)

Zhongguo yao yong zhi wu zhi 中国药用植物志 - Pei, Jian 裴鑑 (zhong guo ke xue yuan zhi wu yan jiu suo中国科学院植物研究所)

zhu xi zhi wu zhi - Gan, Qiliang (hu bei chang jiang chu ban ji tuan hu bei ke xue ji shu chu ban she, 2005)

Ziele, Resultate und Zukunft der indischen Forstwirtschaft - Berkhout, A. H. (Anton Hendrik), 1854 -1945 (G. Schnürlen, 1909)

The zoocecidia of northeastern United States and eastern Canada ... - Wells, B. W. (Bertram Whittier), 1884 -1978 (1918)

Zoologica (Erwin Nägele, 1911)

Zoological science - Nihon Dobutsu Gakkai (Zoological Society of Japan, 1987)

Zoologische Jahrbücher. Abteilung für allgemeine Zoologie und Physiologie der Tiere (G. Fischer, 1919)

Zwei pflanzengeographische Documente - Drège, Jean François, 1794 -1881 (1843)