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)

Winter 1933-34 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aquatic Plant Nursery, 1933)

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)

Wörterbücher der Naturgeschichte : in der deutschen, holländischen, dänischen, schwedischen, englischen, französischen, italienischen, Spanischen und Portugisischen Sprache - Nemnich, Philipp Andreas, 1764 -1822 (Adam Friedrich Böhme, 1798)

Wrightia - University of Texas at Dallas. (University of Texas at Dallas, 1948)

xi zang nong ye kao cha bao gao 西藏农业考察报告 - xi zang gong zuo dui nong ye ke xue zu 西藏工作队农业科学组 (ke xue chu ban she 科学出版社, 1958)

A year in Brazil : with notes on the abolition of slavery, the finances of the empire, religion, meteorology, natural history, etc - Dent, Hastings Charles. (Kegan Paul, Trench, 1886)

A year in Brazil, with notes on the abolition of slavery, the finances of the empire, religion, meteorology, natural history, etc - Dent, Hastings Charles, 1855 - (K. Paul, Trench & co, 1886)

Yearbook - Botanical Society of the British Isles. (1953)

Yearbook / Botanical Society of the British Isles - Botanical Society of the British Isles. (1949)

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, 2003)

Zeitschrift fur Allgemeine Erdkunde (1854)

Zeitschrift für Botanik (1910)

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 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)

The Zoologist : a monthly journal of natural history (1914)

The Zoologist : a monthly journal of natural history (1915)