Virginia journal of science - Virginia Academy of Science. (Virginia Academy of Science, Dept. of Physics and Geophysical Science, School of Sciences and Health Professions, Old Dominion University, 1996)

Viruses described primarily of ornamental or miscellaneous plants - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1944)

The vitality of buried seeds - Duvel, J. W. T. (Govt. Print. Off, 1905)

Vollständiger Blütenkalender der deutschen Phanerogamen-Flora. Unter Zugrundelegung von Dr. Kittel's Taschenbuch der Flora Deutschlands - Beiche, W. Eduard. (Hahn, 1872)

Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 2010)

Waterfowl of Illinois : status and management - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1999)

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, 1986)

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, 2006)

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

The wayside flowers of summer : a study of the conspicuous herbaceous plants blooming upon our norther roadsides during the months of July and August - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner, 1917)

The wayside flowers of summer; a study of the conspicuous herbaceous plants blooming upon our northern roadsides during the months of July and August - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1917)

Wayside flowers Series II. Being a description of American wild flowers that bloom in late May, June, July and early August - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (Taber-Prang Art, 1898)

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 - Fletcher, James 1852 -1908 (Dept. of Agriculture, 1897)

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

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

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

The weeds of Ontario - Harrison, F. C. (Francis Charles), 1871 - (Ontario Dept. of Agriculture, 1900)

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)

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)

Who's who among the wild flowers - Beecroft, W. I. (Willey Ingraham), 1870 - (Moffat, Yard and company, 1910)

Who's who among the wild flowers - Beecroft, W. I. (Willey Ingraham), 1870 - (Moffat, Yard, 1910)

Wholesale catalogue of American trees, shrubs, plants, and seeds, cultivated and for sale at the Linn©an Botanic Garden and nurseries, near New-York - Wm. R. Prince & Co. (Printed by T. and J. Swords, 1827)

Wholesale catalogue of native hardy plants and shrubs : for the season of 1895-6 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bellevue Nursery, 1896)

Wholesale price list 1906-7 : ornamental trees, shrubs, herbaceous plants, climbing vines, native roses, ferns, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sackett Bros. Nurseries, 1907)

Wholesale price list, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Profile Collecting Company, 1933)

Wholesale price list, fall 1932 spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Profile Collecting Company, 1932)

Wholesale price list : fall, 1955 - spring, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Horton Nurseries, Inc, 1955)

Wholesale price list of collected native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1939)

Wholesale price list of collected native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1938)

Wholesale price list of collected native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1940)

Wholesale price-list of hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bellevue Nursery, 1896)

Wholesale price list of native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1950)

Wholesale price list of native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1948)

Wholesale price list of native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1947)

Wholesale price list of native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1944)

Wholesale price list of native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1946)

Wholesale price list of native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1943)

Wholesale price list of native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1945)

Wholesale price list of native trees, shrubs, plants and bulbs, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1941)

Wholesale price list of native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1942)

Wholesale trade list. Fall, 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1917)

Wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry S. Dawson, 1912)

Wholesale trade list : Eastern Nurseries fall, 1910-spring, 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry S. Dawson, 1910)

Wholesale trade list : Eastern Nurseries spring, 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry S. Dawson, 1912)

Wholesale trade list : fall, 1915-spring, 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry S. Dawson, 1915)

Wholesale trade list, fall 1931 [of] hardy native lilies, bulbous plants, orchids, ferns, aquatic and bog plants, wild flowers and rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1931)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, and wild flowers : fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1934)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens : spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1934)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens : 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1953)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers : fall 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1942)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens : 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1951)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1946)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens : spring, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1945)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1944)

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

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens : 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1950)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens : 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1947)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens : 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1952)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 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)

Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs and evergreens : 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1949)

Wild flower families; the haunts, characters, and family relationships of the herbaceous wild flowers, with suggestions for their identification - Weed, Clarence Moores, 1864 -1947 (J.B. Lippincott, 1908)

Wild flower families; the haunts, characters, and family relationships of the herbaceous wild flowers, with suggestions for their identification - Weed, Clarence Moores, 1864 -1947 (J.B. Lippincott company, 1908)

Wild flower families; the haunts, characters, and family relationships of the herbaceous wild flowers, with suggestions for their identification - Weed, Clarence Moores, 1864 -1947 (J. B. Lippincott Company, 1908)

Wild flower plants and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1941)

Wild flower plants and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1943)

Wild flower seeds for sale : sow in October into December or early spring - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Alice Earle Hyde], 1939)

Wild flower seeds for sale : sow in October, November and early December - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Alice Earle Hyde], 1937)

Wild flowers and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1958)

Wild flowers and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1950)

Wild flowers and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1947)

Wild flowers and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1945)

Wild flowers and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1949)

Wild flowers and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1948)

Wild flowers and ferns, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leslie's Wild Flower Nursery, 1956)

Wild flowers and ferns : to brighten a shady nook - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1956)

Wild flowers and ferns : to brighten a shady nook - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wake Robin Farm, 1957)

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)

Wild flowers every child should know - Stack, Frederic William, 1871 - (Grosset & Dunlap, 1909)

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 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 - (Doubleday, Page and Co, 1909)

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 - (Doubleday, Page and Company, 1909)

Wild flowers, ferns and orchids : fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rebecca M. Causey, 1935)

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

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 (University of the State of New York, 1921)

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

Wild flowers of the north-eastern states: being three hundred and eight individuals common to the north-eastern United States - Robertson-Miller, Ellen (G. P. Putnam's Sons, 1904)

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, 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)