Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2006)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2008)

Weeber & Don 1915 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1915)

Weeber & Don 1916 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1916)

The weed flora of Iowa ... - Pammel, L. H. (Louis Hermann), 1862 -1931 (Iowa Geological Survey, 1913)

The weed flora of Iowa - Pammel, L. H. (Louis Hermann), 1862 -1931 (Iowa Geological Survey, 1913)

Weed seedling guide - Alberta. Alberta Agriculture, Food,; Rural Development. (Alberta Agriculture, Food and Rural Development, 1996)

Weeds and weed seeds : illustrated and described - Canada. Department of Agriculture. (Dept. of Agriculture, 1922)

Weeds and weed seeds : illustrated and described - Canada. Department of Agriculture. Seed Branch. (Dept. of Agriculture, Seed Branch, 1914)

Weeds and weed seeds : illustrated and described : with notes on seed cleaning - Canada. Department of Agriculture. Seed Branch. (Dept. of Agriculture, Seed Branch, 1935)

Weeds of Alberta - Alberta. Dept. of Agriculture. Seed; Weed Branch. ([Dept. of Agriculture], 1912)

Weeds of Alberta - Smith, J D (Alberta Agriculture, 1917)

Weeds of Ontario - Ontario Agricultural College. (Dept. of Agriculture], 1916)

Weeds of Ontario - Ontario. Dept. of Agriculture. (L.K. Cameron, 1911)

Weeds of southwestern Wisconsin and southeastern Minnesota - Pammel, L. H. (Louis Hermann), 1862 -1931 (Pioneer Press Co, 1887)

Weeds of the farm and garden - Pammel, L. H. (Louis Hermann), 1862 -1931 (Orange Judd company; [etc., etc.], 1911)

Weeds of the farm and garden - Pammel, L. H. (Louis Hermann), 1862 -1931 (Orange Judd, 1912)

Weeds of the North Central States - University of Illinois at Urbana-Champaign. Agricultural Experiment Station. (University of Illinois at Urbana-Champaign, College of Agriculture, Agricultural Experiment Station, 1981)

Weeds of the prairies - Alberta. Alberta Agriculture, Food,; Rural Development. (Alberta Agriculture, Food and Rural Development, Publishing Branch, 2000)

Weeds, trees, and herbicides : a public forest and rangeland survey - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, 1985)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1903)

The western grass-stem sawfly - Ainslie, C. N. (Charles Nicholas), 1856 -1939 (U.S. Dept. of Agriculture, 1920)

Whitehall botanical site evaluation, Jefferson County, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1890)

Wild ducks and duck foods of the Bear River marshes, Utah - Wetmore, Alexander, 1886 -1978 (U.S. Dept. of Agriculture, 1921)

Wild flowers of the North American mountains - Henshaw, Julia W. (Julia Wilmotte) 1869 -1937 (R.M. McBride, 1915)

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)

The wild garden, or the naturalization and natural grouping of hardy exotic plants with a chapter on the garden of British wild flowers - Robinson, W. (William), 1838 -1935 (J. Murray, 1894)

Wildfire succession in plant communities natural to the Alkali Creek vicinity, Charles M. Russell National Wildlife Refuge, Montana - U.S. Fish; Wildlife Service (Montana Natural Heritage Program, 2001)

Wildlife survey of the Antelope Creek habitat development area - 2007 - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Species At Risk, 2008)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1869)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1875)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1877)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1896)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1900)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1902)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1904)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1913)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1914)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1937)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1968)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1983)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1986)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1988)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2005)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2009)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1980)

The Wing Seed Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wing Seed Co, 1920)

Die wirtswechselnden rostpilze; versuch einer gesamtdarstellung ihrer biologischen verhältnisse - Klebahn, H. (Heinrich) (Gebrüder Borntraeger, 1904)

Die wirtswechselnden Rostpilze : Versuch einer Gesamtdarstellung ihrer biologischen Verhältnisse - Klebahn, H. (Heinrich) (Gebrüder Borntraeger, 1904)

Die wirtwechselnden Rostpilze; Versuch einer Gesamtdarstellung ihrer biologischen Verha¨ltnisse - Klebahn, H. (Heinrich) (Gebrder Borntraeger, 1904)

Wolves, bison, and the dynamics related to the Peace-Athabasca Delta in Canada's Wood Buffalo National Park - Canadian Circumpolar Institute. (Canadian Circumpolar Institute, 1993)

Woodhawk botanical survey, Fergus County, Montana, Lewistown District of the Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1997)

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

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)

Wykopaliska Starunskie Son mamut (Elephas primigenius Blum) i Nosorozec wochaty (Rhinoceros antiquitatis Blum. s. tichorhinus Fisch) wraz z wspoczesna flora i fauna, &c. = [On the mammoth and Italian rhinoceros dug up at Staruni, with their associated flora and fauna.] - Bayger, J. A. (Nakł. Muzeum im. Dzieduszyckich, 1914)

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 the United States Department of Agriculture - United States. Department of Agriculture. (G.P.O, 1895)

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (Govt. Print. Off, 1908)

Young's Point Provincial Park and Williamson Provincial Park management plan - Alberta. Alberta Community Development. (Alberta Community Development, Parks and Protected Areas, 2003)

zai pei zhi wu ming lu - Zhongguo ke xue yuan. Zhi wu yan jiu suo (zhong guo ke xue yuan)

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 Pflanzenkrankheiten (E. Ulmer, 1891)

Zentralblatt für allgemeine und experimentelle Biologie (S. Hirzel, 1911)

zhong guo zhu yao he ben zhi wu shu zhong jian suo biao - Geng, Yi Li (ke xue chu ban she, 1957)

zhong guo zhu yao zhi wu tu shuo he ben ke - Geng, Yi Li (ke xue chu ban she, 1959)