Vorträge über botanische Stammesgeschichte, gehalten an der Reichsuniversität zu Leiden. Ein Lehrbuch der Pflanzensystematik - Lotsy, Johannes Paulus, 1867 -1931 (G. Fischer, 1911)

Voyage d'exploration scientifique en Colombie - Fuhrmann, Otto 1871 -1945 (Attinger, 1914)

The voyage of the "Challenger." The Atlantic; a preliminary account of the general results of the exploring voyage of H.M.S. "Challenger" during the year 1873 and the early part of the year 1876 - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Harper & Brothers, 1878)

Wanderings in the great forests of Borneo; travels and researches of a naturalist in Sarawak - Beccari, Odoardo, 1843 -1920 (Constable, 1904)

Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 1993)

Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 2018)

Water plants ; a study of aquatic angiosperms - Arber, Agnes Robertson, 1879 -1960 (University Press, 1920)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1961)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1974)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1980)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1982)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1989)

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, 2002)

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)

Weeds of Bhutan - Bhutan. Department of Agriculture. (National Plant Protection Centre, 1992)

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)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1901)

Westafrikanische Kautschuk-Expedition - Schlechter, Rudolf, 1872 -1925 (Verlag des Kolonial-Wirtschaftlichen Komitees, 1900)

Westafrikanische Kautschuk-Expedition - Schlechter, Rudolf, 1872 -1925 (Verlag des Kolonial-Wirtschaftlichen Komitees, 1899)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1947)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1962)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1986)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1992)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1993)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1995)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1998)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1999)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 2008)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 2011)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 2012)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1997)

What comes from what; or, The relationships of animals and plants - Abbott, Charles L. (The author, 1922)

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)

Wholesale bulletin. No. 1, March 28, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1946)

Wholesale contract price list : of "proven quality" flower seeds crop of 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Denholm Seed Company, 1957)

Wholesale price list, fall 1949, spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Couch Brothers Nursery Co, 1949)

Wholesale price list : fall, 1956 - spring, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Horton Nurseries, Inc, 1956)

Wholesale trade list : February 12, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sherman Nursery Company, 1943)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens : fall 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1948)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1893)

Wild and cultivated plants poisonous to humans in Canada : a preliminary inventory - Mulligan, Gerald A., 1928 - (Research Branch, Agriculture Canada, 1984)

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

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

The wild flowers of California : their names, haunts, and habits / by Mary Elizabeth Parsons ; illustrations by Margaret Warriner Buck - Parsons, Mary Elizabeth (Cunningham, Curtiss & Welch, 1907)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (University of the State of New York, 1918)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1918)

Wild flowers of the British Isles - Adams, H. Isabel. (London Book Co. Ltd, 1910)

Wild flowers of the north-eastern states; being three hundred and eight individuals common to the north-eastern United States - Robertson-Miller, Ellen (Putnam's, 1895)

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

Wild medicinal plants of the United States - United States. Bureau of Plant Industry. (G.P.O, 1906)

Wild Plants in Trade (1992)

Wild plants needing protection - Britton, Elizabeth G. (Elizabeth Gertrude), 1858 -1934 (New York Botanical Garden, 1912)

Wild plants of Canada : a flora, with descriptive key of families represented - Spotton, H. B. (Henry Byron), 1844 -1933 (Gage, 1929)

Wildflowers and landscapes of Ecuador : the way we knew it - Missouri Botanical Garden. Library. (Missouri Botanical Garden, 2014)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1946)

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, 1992)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2000)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2002)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2003)

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

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2007)

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

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2011)

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)

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1922)

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1908)

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)

Wissenschaftliche Ergebnisse der zweiten Deutschen Zentral-Afrika-Expedition, 1910-1911, unter Führung Adolf Friedrichs - Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873 -1969 (Klinkhardt & Biermann, 1922)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1904)

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

World Atlas of Biodiversity: earth's living resources in the 21st century - Groombridge, Brian (UNEP-WCMC, 2002)

World directory of hydrobiological and fisheries institutions - Hiatt, Robert W. (American Institute of Biological Sciences, 1963)

The World List of Threatened Trees (1998)

The world of life : a manifestation of creative power, directive mind and ultimate purpose - Wallace, Alfred Russel, 1823 -1913 (Chapman and Hall, 1914)

The world of life; a manifestation of creative power, directive mind and ultimate purpose - Wallace, Alfred Russel, 1823 -1913 (Chapman and Hall, 1911)

World Plant Conservation Bibliography (1990)

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

Die Wurzelhaare der Pflanzen, ein Beitrag zur Biologie und Physiologie dieser Organe ... - Schwarz, Frank, 1857 -1928 (Druck der Breslauer Genossenschafts-Buchdruckerei, Eingetr. Gen, 1883)

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

xi bei ye sheng you yong zhi wu shou se - Cui, Youwen. (shan xi ren ming chu ban she)