Uebersicht des Gewaechs-Reichs in seinen natuerlichen Entwickelungsstufen : ein Versuch - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Carl Cnobloch, 1828)

Undersøgelser og betragtninger over Cycadeerne - Warming, Eugenius, 1841 -1924 (B. Lunos Bogtr, 1877)

Understory-overstory vegetation relationships : an annotated bibliography - Clary, Warren P. (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1982)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1863)

The Universal herbal; or, Botanical, medical, and agricultural dictionary; containing an account of all the known plants in the world, arranged according to the Linnean system. Specifying the uses to which they are or may be applied, whether as food, as medicine, or in the arts and manufactures, with the best methods of propagation, and the most recent agricultural improvements ... - Green, Thomas. (Caxton Press, 1824)

The universal herbal : or botanical, medical and agricultural dictionary : containing an account of all known plants in the world, arranged according to the Linnean system. Specifying the uses to which they are or may be applied - Green, Thomas. (Printed at the Caxton Press by H. Fisher, 1816)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1919)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1916)

University of California publications in zoology - University of California, Berkeley. (University Press, 1908)

University of California publications in zoology - University of California, Berkeley. (University Press, 1913)

The University of Colorado studies. General series A - University of Colorado, Boulder. (University of Colorado, 1904)

The University of Colorado studies. General series A - University of Colorado, Boulder. (University of Colorado, 1909)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1954)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1953)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1956)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1931)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1939)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1948)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1907)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1914)

A university text-book of botany (Macmillan, 1910)

Unsere Freiland-Nadelhölzer; Anzucht, Pflege und Verwendung aller bekannten in Mitteleuropa im Freien kulturfähigen Nadelholzer - Silva Tarouca, Ernst, Graf, 1860 -1936 (F. Tempsky, 1913)

Useful wild plants of the United States and Canada - Saunders, Charles Francis, 1859 -1941 (R. M. McBride & company, 1920)

Useful wild plants of the United States and Canada - Saunders, Charles Francis, 1859 -1941 (R.M. McBride, 1920)

Utah BLM statewide wilderness environmental impact statement : final - United States. Bureau of Land Management. (U.S Department of the Interior, Bureau of Land Management, Utah State Office, 1990)

Vascular plants of the Desert Experimental Range, Millard County, Utah - Goodrich, Sherel (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1986)

The vegetable kingdom; or, The structure, classification, and uses of plants, illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury & Evans, 1853)

The vegetable kingdom, or, The structure, classification, and uses of plants illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury & Evans, 1847)

The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury and Evans, 1846)

The vegetable kingdom; or, The structure, classification, and uses of plants - Lindley, John, 1799 -1865 (Bradbury & Evans, 1853)

Vegetable organography; or, An analytical description of the organs of plants. Translated by Boughton Kingdon - Candolle, Augustin Pyramus de, 1778 -1841 (Houlston & Stoneman, 1841)

The vegetable system : or, a series of experiments, and observations tending to explain the internal structure, and the life of plants; their growth, and propagation; the number, proportion, and desposition of their constituent parts; with the true course of their juices; the formation of the embryo, the construction of the seed, and the encrease from that state to perfection - Hill, John, 1714? -1775 (Printed at the expence of the author, and sold by R. Baldwin, 1761)

The vegetable world : being a history of plants, with their botanical descriptions and peculiar properties - Figuier, Louis, 1819 -1894 (D. Appleton and co, 1867)

The vegetable world : being a history of plants, with their botanical descriptions and peculiar properties - Figuier, Louis, 1819 -1894 (Cassell, Petter, and Galpin, 1869)

Vegetation and flora of the Sonoran Desert - Shreve, Forrest, 1878 -1950 (1951)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1899)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1901)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1907)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1910)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1908)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1921)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1909)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1911)

The vegetation of the Rocky Mountain region, and a comparison with that of other parts of the world - Hooker, Joseph Dalton, 1817 -1911 (1881)