A textbook of botany for colleges - Ganong, William Francis, 1864 -1941 (Macmillan, 1923)

Textbook of theoretical botany - Ivimey-Cook, W. R. (Walter Robert), 1901 -1952 (Longmans, Green, 1951)

The theory of evolution in the light of facts - Frank, Karl, 1875 -1950 (Kegan Paul, Trench, Trübner & co., ltd, 1913)

The theory of evolution in the light of facts - Wasmann, Erich, 1859 -1931 (Kegan Paul, Trench, Trubner & co, 1913)

Thesaurus literaturae botanicae omnium gentium : inde a rerum botanicarum initiis ad nostra usque tempora, quindecim millia operum recensens - Pritzel, G. A. (Georg August), 1815 -1874 (F.A. Brockhaus, 1851)

Third American edition of the British encyclopedia, or Dictionary of arts and sciences : comprising an accurate and popular view of the present improved state of human knowledge - Nicholson, William, 1753 -1815 (Mitchell, Ames and White, 1818)

Threatened and endangered plants of Nevada : an illustrated manual - U.S. Fish; Wildlife Service (U.S. Department of Agriculture, Fish & Wildlife Service, 1981)

Tidsskrift for populære fremstillinger af naturvidenskaben (P.G. Philipsens forlag, 1872)

Die Tier- und Pflanzenwelt des Süsswassers : Einführung in das Studium derselben - Zacharias, Otto, 1846 -1916 (J. J. Weber, 1891)

Tiergeographie auf ökologischer Grundlage - Hesse, Richard, 1868 -1944 (Verlag von Gustav Fischer, 1924)

Tillägg till Östgöta flora : innehållande förteckning öfver Östergötlands fanerogamer och ormbunkar jemte uppgift öfver deras växeställen - Kindberg, N. C. (Nils Conrad), 1832 -1910 (C. F. Ridderstad, 1868)

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Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1987)

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Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1999)

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 2001)

Titles of literature concerning the fixation of free nitrogen by plants - MacDougal, Daniel Trembly, 1865 -1958 (Harrison & Smith, State Printers, 1894)

Topographical botany: being local and personal records towards shewing the distribution of British plants traced through the 112 counties and vice-counties of England, Wales, and Scotland - Watson, Hewett Cottrell, 1804 -1881 (B. Quaritch, 1883)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1901)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1903)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1904)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1906)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1908)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1909)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1911)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1917)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1922)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1932)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1934)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1935)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1936)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1939)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1938)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1940)

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Torreya, a monthly journal of botanical notes and news (1911)

A tour round North Wales, performed during the summer of 1798; containing not only the description and local history of the ocuntry but also, a sketch of the history of the Welsh bards; and essay on the language; observations on the manners and customs; and the habitats of above 400 of the more rare native plants... - Bingley, William, 1774 -1823 (E. Williams, 1800)

A tour round North Wales, performed during the summer of 1798: containing not only the description and local history of the country, but also, a sketch of the history of the Welsh bards; an essay on the language; observations on the manners and customs; and the habitats of above 400 of more rare native plants; intended as a guide to future tourists - Bingley, William, 1774 -1823 (J. Smeeton, 1800)

The tourist's flora : a descriptive catalogue of the flowering plants and ferns of the British Islands, France, Germany, Switzerland, Italy, and the Italian islands - Woods, Joseph, 1776 -1864 (Reeve and Benham, 1850)

Trabajos botánicos (1890)

Trabajos del Museo de Farmacología - Universidad de Buenos Aires. Museo de Farmacología. (Facultad de Ciencias Médicas, Museo de Farmacología, 1909)

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Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1974)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1997)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

Traité de botanique - Van Tieghem, Phillippe Édouard Léon, 1839 -1914 (s.n, 1892)

Traité de paléontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (Octave Doin, 1883)

Traité de paléontologie végétale, ou, La flore du monde primitif dans ses rapports avec les formations géologiques et la flore du monde actuel. Avec un atlas de 100 ì.e. 110 planches grand inquarto lithographiées - Schimper, Wilhelm-Philippe, 1808 -1880 (J.G. Bailliere, 1869)

Traité de botanique générale - Hérincq, F. (François), 1820 -1891 (Abel Pilon et cie, éditeurs, 33 rue de fleurs, 33, 1860)

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Transactions and proceedings of the Botanical Society of Pennsylvania - Botanical Society of Pennsylvania. (University of Pennsylvania, 1898)

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