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Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

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A flora of California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtis & Welch, 1909)

A flora of California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtis & Welch, 1909)

A flora of California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtis & Welch, 1909)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1923)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1923)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1923)

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Manual of the grasses of the United States - Chase, Agnes, 1869 -1963 (U.S. Dept. of Agriculture, 1951)

Manual of the grasses of the United States - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1935)

Manual of the grasses of the United States - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1935)

Manual of the grasses of the United States - Hitchcock, A. S. (Albert Spear), 1865 -1935 (U.S. G.P.O, 1935)

Manual of the grasses of the United States - Hitchcock, A. S. (Albert Spear), 1865 -1935 (U.S. G.P.O, 1935)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1906)

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