Uebersicht der Tertiärflora der Schweiz - Heer, Oswald, 1809 -1883 (Naturforschenden Gesellschaft, 1853)

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

The Ulothricaceae and Chaetophoraceae of the United States - Hazen, Tracy Elliot, 1874 -1943 (The Club], 1902)

Die um Danzig wildwachsende Pflanzen nach ihren Geschlechtstheilen geordnet : und beschrieben - Reyger, Gottfried, 1704 -1788 (Wedel, 1768)

Unity in variety, as deduced from the vegetable kingdom : being an attempt at developing that oneness which is discoverable in the habits, mode of growth, and principle of construction of all plants - Dresser, Christopher. (James S. Virtue, 1859)

Unity in variety, as deduced from the vegetable kingdom; being an attempt at developing that oneness which is discoverable in the habits, mode of growth, and principle of construction of all plants - Dresser, Christopher. (J.S. Virtue, 1860)

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, 1902)

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

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, 1925)

The University of Colorado studies General series A - University of Colorado, Boulder. (University of Colorado, 1912)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1922)

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

Untersuchungen aus dem Botanischen Institut zu Tübingen - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1881)

Untersuchungen Über die Familie der Conjugaten (Zygnemeen und Desmidieen) - Bary, A. de (Anton), 1831 -1888 (A. Förstnersche buchhandlung, 1858)

The useful family herbal. Or, An account of all those English plants, which are remarkable for their virtues: and of the drugs, which are produced by vegetables of other countries. With their descriptions, and their uses, as proved by experience ... With an introduction ... and an appendix; containing, a proposal for the farther seeking into the virtues of English herbs, and the manner of doing it with ease and safety. The whole intended for the use of families, and for the instruction of those who are desirous of relieving the distressed sick - Hill, John, 1714? -1775 (Printed for W. Johnston and W. Owen, 1755)

The useful plants of the Island of Guam; with an introductory account of the physical features and natural history of the island, of the character and history of its people, and of their agriculture - Safford, William Edwin, 1859 -1926 (Govt. Print. Off, 1905)

The useful plants of the island of Guam; with an introductory account of the physical features and natural history of the island, of the character and history of its people, and of their agriculture - Safford, William Edwin, 1859 -1926 (Govt. Print. Off, 1905)

Utkast til en svensk flora : eller, Afhandling om svenska växternas väsendteliga kännetecken och nytta - Liljeblad, Samuel, 1761 -1815 (J. F. Edman, 1798)

Variation in animals and plants - Vernon, Horace Middleton, 1870 - (H. Holt, 1903)

Variation in animals and plants - Vernon, Horace Middleton, 1870 - (H. Holt and company, 1902)

Vega-expeditionens vetenskapliga iakttagelser bearbetade af deltagare i resan och andra forskare - Nordenskiöld, A. E. (Adolf Erik), 1832 -1901 (F. & G. Beijers förlag, 1883)

The vegetable individual : in its relation to species - Braun, Alexander, 1805 -1877 (Printed by B.L. Hamlen, 1855)

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)

Vegetable physiology and systematic botany - Carpenter, William Benjamin, 1813 -1885 (1849)

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, 1759)

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, 1763)

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

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1898)

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

The vegetation of the Chatham Islands - Mueller, Ferdinand von, 1825 -1896 (J. Ferres, 1864)

Die Vegetationsverhältnisse der illyrischen Länder, begreifend Südkroatien, die Quarnero-Inseln, Dalmation, Bosnien und die Hercegovina, Montenegro, Nordalbanien, den Sandzak Novipazar und Serbien - Beck-Mannagetta, G. (Günther), 1856 -1931 (W. Engelmann, 1901)

Venezia e le sue lagune - Correr, Giovanni, conte. (Antonelli, 1847)