Wild flowers, perennials, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gunther Gardens, 1929)

Wild flowers worth knowing - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (IndyPublish.com, 1917)

The wild garden; or, Our groves & shrubberies made beautiful ... - Robinson, W. (William), 1838 -1935 (J. Murray, 1870)

The wild garden; or, Our groves and gardens made beautiful by the naturalisation of hardy exotic plants ... - Robinson, W. (William), 1838 -1935 (J. Murray, 1883)

Wilfred A. Brotherton's catalogue of Michigan wild flowers for 1891 : wild flowers for parks, flower gardens, rockeries, bogs, ornamental waters, carp ponds, bee-keepers, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wilfred A. Brotherton, 1891)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2012)

Wisconsin horticulture - Wisconsin State Horticultural Society. (1919)

World treasures from Flowerland - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's Horticultural Establishment, 1935)

xi an zhi wu zhi - Xie, Yintang, Wang Mali & Zhao Guifang (shan xi ke xue ji shu chu ban she, 2007)

Year book - Carnegie Institution of Washington - Carnegie Institution of Washington (Carnegie Institution of Washington, 1905)

Year book - Carnegie Institution of Washington (Carnegie Institution of Washington, 1905)

Year book - Carnegie Institution of Washington (Carnegie Institution of Washington, 1910)

Year book - Carnegie Institution of Washington - Carnegie Institution of Washington (Carnegie Institution of Washington, 1906)

Year book - Carnegie Institution of Washington - Carnegie Institution of Washington (Carnegie Institution of Washington, 1910)

Year book - Carnegie Institution of Washington - Carnegie Institution of Washington (Carnegie Institution of Washington, 1916)

Year book - Carnegie Institution of Washington - Carnegie Institution of Washington (Carnegie Institution of Washington, 1917)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1895)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1896)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1898)

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)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2004)

Zeitschrift für Pflanzenzüchtung - Bayerischer Saatzuchtverein. (Paul Parey, 1921)

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

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

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1918)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zoe:a biological journal (Zoe Publishing Co, 1893)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1885)