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

Whirrakee : a monthly newsletter - Bendigo Field Naturalists Club (Bendigo Field Naturalists Club, 1984)

Whirrakee : a monthly newsletter - Bendigo Field Naturalists Club (Bendigo Field Naturalists Club, 1996)

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 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, free-roaming burros : status of present knowledge - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, 1977)

Wild plants and their associated insects in the Palearctic region, primarily Europe and the Middle East - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1999)

Wildland shrubs symposium and workshop : proceedings - Intermountain Forest; Range Experiment Station (Ogden, Utah) (s.n, 1975)

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 bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1998)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2007)

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 Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1922)

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)

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

The World List of Threatened Trees (1998)

World Plant Conservation Bibliography (1990)

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)

xin jiang wei wu er zi zhi qu de zi ran tiao jian(lun wen ji)新疆维吾尔自治区的自然条件(论文集) - Zhongguo ke xue yuan. Xinjiang zong ge kao cha dui su lian ke xue yuan di li yan jiu suo 中国科学院新疆综合考察队苏联科学院地理研究所 (ke xue chu ban she chu ban 科学出版社出版, 1959)

XVIth AETFAT Congress (August 28 - September 2, 2000) : Abstracts XVIième Congrès de l'AETFAT : Résumés - Robbrecht, Elmar (NBGB, 2000)

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)

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, 2006)

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, 2005)

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)

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)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1888)

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 bei bu he xi bei bu zhong yao si liao zhi wu he du hai zhi wu - Cui, Youwen. (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)

zhong guo guan jian di qu sheng wu duo yang xing bao yu de ya jiu lun wen hui bian (1998-2000) - Sun, Ruyong. (guo jia zi ran ke xue ji jin jiu wu zhong da xiang mu, 2001)

zhong guo jing nei suan xing tu gai zhi tu he yan jian tu de zhi shi zhi wu - Hou, Xueyu (zhong guo ke xue yuan)

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

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 si yong zhi wu zhi 中国饲用植物志 - Zhongguo si yong zhi wu zhi bian ji wei yuan hui中国饲用植物志编辑委员会 (nong ye chu ban she农业出版社, 1992)

zhong guo si yong zhi wu zhi 中国饲用植物志 - Zhongguo si yong zhi wu zhi bian ji wei yuan hui中国饲用植物志编辑委员会 (nong ye chu ban she农业出版社, 1987)

zhong guo si yong zhi wu zhi 中国饲用植物志 - Zhongguo si yong zhi wu zhi bian ji wei yuan hui中国饲用植物志编辑委员会 (nong ye chu ban she农业出版社, 1991)

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)

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)

Zoologische Sammlungen - Diels, Ludwig, 1874 -1945 (E.S. Mittler & Sohn, 1908)