Waterfowl of Illinois : status and management - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1999)

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

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

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)

Wilmington flora : a list of plants growing about Wilmington, North Carolina, with date of flowering. With a map of New Hanover county - Wood, Thomas Fanning, 1841 -1892 (Edwards, Broughton & Co, 1886)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2010)

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

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

A year in the New Hebrides, Loyalty Islands, and New Caledonia - Campbell, Alexander James. (G. Mercer; [etc., etc, 1873)

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 - Zhongguo ke xue yuan. Kunming zhi wu yan jiu suo (ke xue chu ban she, 1983)

Zeitschrift für Botanik (1910)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1853)

Zeitschrift für wissenschaftliche Mikroskopie und mikroskopische Technik (S. Hirzel [etc.], 1893)

zhi wu zhong ming shi - Ding, Guangqi (ke xue chu ban she, 1978)

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 lei xue - zheng mian (shang hai ke xue ji shu chu ban she, 1959)

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 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)

Les zoocécidies des plantes d'Afrique, d'Asie et d'Océanie : description des galles, illustration, bibliographie détaillée, répartition géographique, index bibliographique - Houard, C. (Clodomir), 1873 -1943 (J. Hermann, 1922)