Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1991)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1990)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1992)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1993)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1996)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1997)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1998)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1999)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2000)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2002)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2004)

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)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2010)

Wayside and woodland blossoms : a pocket guide to British wild-flowers for the country rambler - Step, Edward, 1855 -1931 (F. Warne, 1895)

Wayside and woodland blossoms; a pocket guide to British wild flowers for the country rambler - Step, Edward, 1855 -1931 (Warne, 1895)

Wecko-Skrift for Låkare och Naturforskare

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)

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 of farm land - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (Longmans, 1920)

Weeds of farm land - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (Longmans, Green and co, 1920)

The weeds of New South Wales, pt. I - Maiden, J. H. (Joseph Henry), 1859 -1925 (W.A. Gullick, Gov't. printer, 1920)

Weeds of Ontario - Ontario. Dept. of Agriculture. (Dept. of Agriculture, 1893)

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 that affect human health - Williams, M. Coburn. (s.n, 1980)

The weekly florists' review (Florists' Pub. Co, 1901)

wei guan shu zhi wu jian ding shou ce 维管束植物鉴定手册 - Lin, Ying 林英 (jiang xi xin hua yin shua chang yin shua 江西新华印刷厂印 刷, 1979)

Welsh botanology ... - Davies, Hugh, Rev. 1739? -1821 (Printed for the author by W. Marchant [etc.], 1813)

Weobecný rostlinopis ili Popsani rostlin we welikém ohledu uitenych a kodliwých - Presl, Jan Svatopluk, 1791 -1849 (W kommissi u Kronbergra a Riwnáe, 1846)

Das Werden der Organismen; zur Widerlegung von Darwin's Zufallstheorie durch das Gesetz in der Entwicklung von Oscar Hertwig - Hertwig, Oscar, 1849 -1922 (G. Fischer, 1918)

West Indian Vernoniae - Ekman, Erik Leonard, 1883 -1931 (Almqvist & Wiksells, 1914)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1991)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2009)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1972)

Wetlands management in the Caribbean and the role of forestry and wetlands in the economy : proceedings of the Fifth Meeting of Caribbean Foresters at Trinidad, and the first meeting of ministers of agriculture to consider the economic role of forestry at Saint Lucia - Southern Forest Experiment Station (New Orleans, La.) (U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1992)

A whaling cruise to Baffin's Bay and the Gulf of Boothia. And an account of the rescue of the the crew of the "Polaris." - Markham, Albert Hastings, Sir, 1841 -1918 (S. Low, Marston, Low, and Searle, 1875)

Where I stand - Goldwater, Barry M. (Barry Morris), 1909 -1998 (McGraw-Hill, 1964)

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)

Wiener entomologische Zeitung (E. Reitter [etc.], 1885)

Wiener entomologische Zeitung (E. Reitter [etc.], 1888)

Wiener entomologische Zeitung (E. Reitter [etc.], 1915)

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

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1891)

Der wiesenbau in seinem ganzen umfange - Häfener, Franz. (C. Mäcken, 1847)

Wiesner-Festschrift - Linsbauer, Karl, 1872 -1934 (C. Konegen, 1908)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson, 1910)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Reed, 1910)

Wild flowers every child should know : arranged according to color, with reliable descriptions of the more common species of the United States and Canada - Stack, Frederic William, 1871 - (Grosset & Dunlap, 1909)

Wild flowers of Canada - Iles, George, 1852 -1942 (Montreal Star, 1895)

Wild flowers of the British Isles - Adams, H. Isabel. (London Book Co. Ltd, 1907)

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