The genera of Fungi - Clements, Frederic E. (Frederic Edward), 1874 -1945 (The H.W. Wilson Company, 1931)

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Handbuch der Naturgeschichte aller drei Reiche, fur Lehrer and Lernende, fur Schule und Haus - Bromme, Traugott, 1802 -1866 (1850)

Handbuch der pflanzenkrankheiten begründet - Lindau, Gustav, 1866 -1923 (P. Parey, 1921)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1909)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1928)

Handbuch der Pflanzenkrankheiten - Sorauer, Paul, 1839 -1916 (P. Parey, 1921)

Handbuch der Pflanzenkrankheiten - Lindau, Gustav, 1866 -1923 (P. Parey, 1908)

Handbuch zur Erkennung der nutzbarsten und am häufigsten vorkommenden Gewächse - Link, Heinrich Friedrich, 1767 -1851 (Spenerschen Buchhandlung, 1833)

Hedwigia (Verlag und Druck von C. Heinrich, 1889)

Hedwigia (Verlag und Druck von C. Heinrich, 1890)

Hedwigia (Verlag und Druck von C. Heinrich, 1887)

Hedwigia (Verlag und Druck von C. Heinrich, 1892)

Hedwigia (Verlag und Druck von C. Heinrich, 1894)

Hedwigia (Verlag und Druck von C. Heinrich, 1895)

Hedwigia (Verlag und Druck von C. Heinrich, 1896)

Hedwigia (Verlag und Druck von C. Heinrich, 1897)

Hedwigia (Verlag und Druck von C. Heinrich, 1898)

Hedwigia (Verlag und Druck von C. Heinrich, 1899)

Hedwigia (Verlag und Druck von C. Heinrich, 1900)

Hedwigia (Verlag und Druck von C. Heinrich, 1901)

Hedwigia (Verlag und Druck von C. Heinrich, 1902)

Hedwigia (Verlag und Druck von C. Heinrich, 1903)

Hedwigia (Verlag und Druck von C. Heinrich, 1904)

Hedwigia (Verlag und Druck von C. Heinrich, 1905)

Hedwigia (Verlag und Druck von C. Heinrich, 1906)

Hedwigia (Verlag und Druck von C. Heinrich, 1907)

Hedwigia (Verlag und Druck von C. Heinrich, 1908)

Hedwigia (Verlag und Druck von C. Heinrich, 1909)

Hedwigia (Verlag und Druck von C. Heinrich, 1910)

Hedwigia (Verlag und Druck von C. Heinrich, 1911)

Hedwigia (Verlag und Druck von C. Heinrich, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1917)

Hedwigia (Verlag und Druck von C. Heinrich, 1918)

Hedwigia (Verlag und Druck von C. Heinrich, 1921)

Home, yard, & garden pest guide (University of Illinois Extension, 2001)

Home, yard, and garden pest newsletter - Illinois. Natural History Survey Division (Cooperative Extension Service, 1997)

Home, yard, and garden pest newsletter - Illinois. Natural History Survey Division (Cooperative Extension Service, 1990)

Home, yard, and garden pest newsletter - Illinois. Natural History Survey Division (Cooperative Extension Service, 1994)

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Illinois trees: their diseases - Carter, J. Cedric (James Cedric), 1905 -1981 (1961)

Illinois trees: their diseases - Carter, J. Cedric (James Cedric), 1905 -1981 (1955)

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Index of organisms and non-parasitic diseases in Plant disease reporter, supplements XLV-L, 1926 - Van Meter, Mary G. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1926)

Index of organisms and non-parasitic diseases in Plant disease reporter, supplements XXXIX-XLIII, 1925 - United States. Office of Plant Disease Survey; Pathological Collections. (Office of Plant Disease Survey and Pathological Collections, Bureau of Plant Industry, United States Department of Agriculture, 1925)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 75-77, 1930 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1930)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 79-81, 1931 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1932)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 112-119, 1939 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1940)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 98-103, 1937 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1937)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 105-110, 1938 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1939)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 91-96, 1936 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1936)

Index to Plant disease reporter, supplements 145-150, 1944 - 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, 1946)

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Index to Plant disease reporter supplements 250-252, 1958 - Nance, Nellie W. (Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1959)

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Index to supplements VIII-XII, Plant disease bulletin 1920 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1920)

Index to supplements XIV-XVIII, Plant disease bulletin 1921 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1921)

Index to supplements XX-XXIV, Plant disease bulletin 1922 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1922)

Index to supplements XXVI-XXX, Plant disease bulletin 1923 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1923)

Index to the Plant disease reporter, supplements 134-138, 1942 - 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, 1945)

Insect and disease conditions in the United States, 1979-83 : what else is growing in our forests? - United States. State; Private Forestry. (The Service, 1985)