Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1973)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1983)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1996)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 2001)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1943)

Die Transpiration der Pflanzen. Eine physiologische Monographie - Burgerstein, Alfred, 1850 -1929 (G. Fischer, 1904)

Trap-nesting wasps and bees: life histories, nests, and associates - Krombein, Karl V. (Smithsonian Press, 1967)

The treasury of botany: a popular dictionary of the vegetable kingdom; with which is incorporated a glossary of botanical terms - Lindley, John, 1799 -1865 (Longmans, Green, and Co, 1866)

Treatise on trees and shrubs grown in France and in the countryside - Jaume Saint-Hilaire, Jean Henri, 1772 -1845 (2008)

Trees & shrubs of the British Isles, native & acclimatised - Westell, W. Percival (William Percival), 1874 -1943 (J. M. Dent, 1909)

Trees and shrubs : an abridgment of the Arboretum et fruticetum britannicum : containing the hardy trees and schrubs of Britain, native and foreign, scientifically and popularly described : with their propagation, culture and uses and engravings of nearly all the species - Loudon, J. C. (John Claudius), 1783 -1843 (F. Warne & Co, 1875)

Trees and shrubs; an abridgment of the Arboretum et fruticetum britannicum - Loudon, J. C. (John Claudius), 1783 -1843 (F. Warne & co, 1883)

Trees and shrubs of Mexico - Standley, Paul Carpenter, 1884 -1963 (Govt. Print. Off, 1920)

Trees and shrubs of Mexico - Standley, Paul Carpenter, 1884 -1963 (Govt. Print. Off, 1922)

Trees and shrubs of Mexico - Standley, Paul Carpenter, 1884 -1963 (Govt. Print. Off, 1926)

Trees and shrubs of New Mexico - Wooton, E. O. (Elmer Ottis), 1865 -1945 (New Mexico College of Agriculture and Mechanical Arts, 1913)

Trees; a handbook of forest-botany for the woodlands and the laboratory - Groom, Percy, 1865 -1931 (At the University press, 1904)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1982)

Tropical agriculturist and magazine of the Ceylon Agricultural Society - Ceylon Agricultural Society. (1894)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1887)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1892)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1901)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1903)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1904)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1905)

tu rang fei liao yan jiu bao gao hui bian 土壤肥料研究报告汇编 - Zhongguo nong ye ke xue yuan hua dong nong ye yan jiu suo 中国农业科学院华东农业研究所 (ke xue ji shu chu ban she chu ban 科学技术出版社出版, 1958)

U sugarskoj dulibi, prilog k poznavanju flore Velebita - Rossi, Ljudevit, 1850 - (Dionicka Tiskara, 1911)

Übersicht des natürlichen Systems der Pflanzen : zum Gebrauch in Vorlesungen für Anfänger - Pfitzer, Ernst Hugo Heinrich, 1846 -1906 (C. Winter, 1894)

The Uganda protectorate : an attempt to give some description of the physical geography, botany, zoology, anthropology, languages and history of the territories under British protection in East Central Africa, between the Congo Free State and the Rift valley and between the first degree of south latitude and the fifth degree of north latitude - Johnston, Harry, 1858 -1927 (Hutchinson & Co, 1904)

The Uganda protectorate; an attempt to give some description of the physical geography, botany, zoology, anthropology, languages and history of the territories under British protection in East Central Africa, between the Congo Free State and the Rift Valley and between the first degree of south latitude and the fifth degree of north latitude - Johnston, Harry, 1858 -1927 (Hutchinson & Co, 1902)

Unexplored Spain - Chapman, Abel, 1851 -1929 (E. Arnold, 1910)

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, 1921)

University of California publications in zoology - University of California, Berkeley. (University Press, 1912)

The University of Colorado studies. General series A - University of Colorado, Boulder. (University of Colorado, 1908)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1969)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1938)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1955)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1965)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1967)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1969)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1970)

The University of Missouri studies. Science series - University of Missouri. (The University, 1905)

The University of Missouri studies. Science series - University of Missouri. (The University, 1907)

The University of Texas herbaria : type register - Todzia, Carol A., 1955 - (Plant Resources Center, Dept. of Botany, University of Texas, 1994)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1978)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1983)

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)

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

Untersuchungen über chlorophyll; methoden und ergebnisse - Willstätter, Richard, 1872 -1942 (J. Springer, 1913)

An unusual, primitive piesmatid (Insecta, Heteroptera) in Cretaceous amber from Myanmar (Burma) - Engel, Michael S. (American Museum of Natural History, 2008)

The useful native plants of Australia, (including Tasmania) - Maiden, J. H. (Joseph Henry), 1859 -1925 (Trubner, 1889)

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)

A User's guide to CERC's Field Research Facility - Coastal Engineering Research Center (U.S.) (U.S. Army, Corps of Engineers, Coastal Engineering Research Center, 1981)

Utafiti : occasional papers of the National Museums of Kenya - National Museums of Kenya (The Museums, 1998)

Utafiti : occasional papers of the National Museums of Kenya - National Museums of Kenya (The Museums, 1988)

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)

Utkast til svenska växternas naturhistoria : eller, Sveriges fanerogamer skildrade i korthet med deras växställen och utbredning m. m., deras egenskaper, användning och historia i allmänhet - Nyman, Carl Fredrik, 1820 -1893 (N. M. Lindh, 1867)

The vascular flora and natural vegetation of abandoned coal mined land, Rocky Mountain Foothills, Alberta - Russell, William B. (William Bacon), 1948 - (University of Alberta, 1980)

Vascular plant and sensitive plant species inventory for the highland mountains, Deerlodge National Forest - Lesica, Peter. (Montana Natural Heritage Program, 1992)

Vascular plant communities of the Green River lowlands in northwestern Illinois - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2009)

Vascular plants of continental Northwest Territories, Canada - Porsild, A. E. 1901 - (National Museum of Natural Sciences, National Museums of Canada, 1980)

Vascular plants of the Black Hills of South Dakota and adjacent Wyoming - Thilenius, John F. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971)

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

Vascular plants of the Sangamon River basin; annotated checklist and ecological summary - Bell, David T. (University of Illinois at Urbana-Champaign, College of Agriculture, 1974)

Vascular plants of west-central Montana : identification guide book - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1991)

Vascular plants poisonous to livestock in Canada : a preliminary inventory - Mulligan, Gerald A., 1928 - (Research Branch, Agriculture Canada, 1983)

Vegetable gardening. A manual on the growing of vegetables for home use and marketing - Green, Samuel Bowdlear, 1859 -1910 (Webb publishing company, 1905)

Vegetable gardening. A manual on the growing of vegetables for home use and marketing - Green, Samuel Bowdlear, 1859 -1910 (Webb Publishing Company, 1903)

Vegetable gardening. A manual on the growing of vegetables for home use and marketing - Green, Samuel Bowdlear, 1859 -1910 (Webb Publishing Co, 1915)

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 and Evans, 1846)

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

The vegetation and phytogeography of coastal southwestern James Bay - Royal Ontario Museum. (Royal Ontario Museum, 1980)

Vegetation changes on the Manti-La Sal National Forest : a photographic study using comparative photographs from 1902-1992 - United States. Forest Service. Intermountain Region. (U.S. Dept. of Agriculture, Forest Service, Intermountain Region, Manti-La Sal National Forest, 1994)

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, 1902)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1906)

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, 1915)

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)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1923)

Vegetation, nesting bird, and small mammal characteristics–Wet Creek, Idaho - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1993)