Status review of Lesquerella carinata and Lesquerella paysonii, U.S.D.A. Forest Service, Region 1, Deerlodge National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Status review update and establishment of demographic monitoring studies: Penstemon lemhiensis - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Stockholmstraktens växter : förteckning över fanerogamer och kärlkryptogamer med fyndorter och frekvensuppgifter - Andersson, Gunnar, 1865 -1928 (P. A. Norstedt, 1914)

Stray leaves from a border garden - Milne-Home, Mary Pamela Ellis. (John Lane, 1901)

A study of the vegetation of southeastern Washington and adjacent Idaho - Weaver, John E. (John Ernest),‏ ‎ 1884 -1966 (1917)

A supplement to the Pharmacopia, and treatise on pharmacology in general : including not only the drugs and preparations used by practitioners of medicine, but also most of those employed in the chemical arts : together with a collection of the most useful medical formulæ ... - Gray, Samuel Frederick, 1766 -1828 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

A survey and record of Woolwich and West Kent containing descriptions and records, brought up-to-date, of geology, botany, zoology, archaeology and industries of the district, with a brief photographic commentary, in commemoration of the 12th Annual Congress, 1907, of the South Eastern Union of Scientific Societies - Grinling, C. H. (Labour Representation Print. Co, 1909)

Survey for sensitive plant species on Doherty Mountain, Jefferson County - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1994)

A survey of extent and cost of weed control and specific weed problems - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1965)

Surveys for significant plant resources and related vegetation types for the Missoula Field Office of the Bureau of Land Management in the Hoodoo Mountain and Flint Creek watersheds - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2006)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1910)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1911)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1912)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1915)

Svensk fanerogamflora - Lindman, C. A. M. (Carl Axel Magnus), 1856 -1928 (P.A. Norstedt, 1918)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1979)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1980)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1989)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1909)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1898)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1923)

Synopsis der deutschen und schweizer Flora - Koch, Wilhelm Daniel Joseph, 1771 -1849 (O. R. Reisland, 1892)

A synopsis of the flora of the western states - Riddell, John Leonard, 1807 -1867 (E. Deming, 1835)

Systema plantarum Europae, exhibens characteres naturales generum, characteres essentiales generum & specierum, synonima antiquorum, phrases specificas recentiorum Halleri, Scopoli, &c. Descriptiones rariorum, nec-non floras tres novas, Lugdunaeam, Delphinalem, Lithuanicam, non omissis plantis exoticis in hortis Europae vulgo obviis - Linné, Carl von, 1707 -1778 (Sumptibus Piestre & Delamolliere, 1785)

Systematische Bearbeitung der Schmetterlinge von Europa, zugleich als Text, Revision und Supplement zu Jakob Hübner's Sammlung europäischer Schmetterlinge - Hübner, Jacob, 1761 -1826 (In Commission bei G. J. Manz, 1843)

The tarnished plant bug and strawberry production - Bostanian, Noubar J. (Agriculture Canada, Research Branch, 1994)

Taschenbuch für reisende Botaniker im Kanton Luzern : auf Rigi, Pilatus und Umgegend : nach Dr. J. G. Krauer's Prodromus floræ Lucernensis : vermehrt mit mehr als 500 Pflanzenarten ... - Krauer, Johann Georg, 1794 -1845 (s.n.], 1866)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1975)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1980)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 1981)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 1980)

Tennessee Native Plant Society newsletter - Tennessee Native Plant Society. (The Society, 1979)

Tennessee Native Plant Society newsletter - Tennessee Native Plant Society. (The Society, 1981)

Tennessee Native Plant Society newsletter - Tennessee Native Plant Society. (The Society, 1987)

Tennessee Native Plant Society newsletter - Tennessee Native Plant Society. (The Society, 1988)

Tennessee Native Plant Society newsletter - Tennessee Native Plant Society. (The Society, 2000)

Tennessee Native Plant Society newsletter - Tennessee Native Plant Society. (The Society, 2007)

A text-book of botany and pharmacognosy, intended for the use of students of pharmacy, as a reference book for pharmacists, and as a handbook for food and drug analysts - Kraemer, Henry, 1868 -1924 (Lippincott, 1907)

A text-book of botany and pharmacognosy : intended for the use of students of pharmacy, as a reference book for pharmacists, and a handbook for food and drug analysts - Kraemer, Henry, 1868 -1924 (J. B. Lippincott company, 1910)

Text-book of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm - Harshberger, John W. (John William), 1869 -1929 (Blakiston, 1920)

Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm - Harshberger, John W. (John William), 1869 -1929 (P. Blakiston's Son & Co, 1920)

The journal of horticulture (1896)

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

Tian mu shan zhi wu zhi 天目山植物志 - Ding, Bingyang & Jin shui hu ben juan 丁炳扬 & 金水虎本卷 (zhe jiang da xue chu ban she浙江大学出版社, 2010)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1869)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1874)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1924)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1925)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1926)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1962)

Tijdschrift voor natuurlijke geschiedenis en physiologie (1834)

Tijdschrift voor natuurlijke geschiedenis en physiologie (1837)

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1990)

Topographical botany; being local and personal records towards shewing the distribution of British plants traced through the 112 counties and vice-counties of England and Scotland - Watson, Hewett Cottrell, 1804 -1881 (Thames Ditton, 1873)

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, 1918)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1919)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1920)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1923)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1928)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1931)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1941)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1968)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1983)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

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

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2006)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2012)

Traité des plantes médicinales indigènes, précédé d'un cours de botanique - Bossu, Antonin, 1809 -1898 (L'auteur [etc.], 1854)

Traité pratique du reboisement et du gazonnement des montagnes - Demontzey, P. (Prosper), 1831 -1898 (J. Rothschild, 1882)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1866)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1891)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1892)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1905)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1870)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1872)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1876)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1877)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1879)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1882)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1903)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1909)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1963)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1985)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1986)

Transactions of the American Philosophical Society - American Philosophical Society. (1837)

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1885)

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1889)

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1893)

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1895)

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1897)

Transactions of the Cumberland Association for the Advancement of Literature and Science - Cumberland Association for the Advancement of Literature; Science. (1882)

Transactions of the Cumberland Association for the Advancement of Literature and Science - Cumberland Association for the Advancement of Literature; Science. (1885)

Transactions of the Cumberland Association for the Advancement of Literature and Science - Cumberland Association for the Advancement of Literature; Science. (1888)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1869)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1870)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1894)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1908)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1921)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1923)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1925)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1931)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1945)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1947)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1949)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1963)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1965)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1966)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1967)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1970)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1973)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1974)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1975)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1976)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1977)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1978)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1979)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1980)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1981)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1983)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1984)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1985)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1989)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1997)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1998)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1999)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2000)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2001)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2002)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2003)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2004)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2005)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2008)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2013)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (W.Y. Morgan, 1901)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (Geo. W. Martin, 1885)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (Geo. W. Martin, 1911)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (W.Y. Morgan, 1911)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1977)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1981)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1987)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1989)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1990)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1992)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1884)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1882)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 2007)

Transactions of the Literary & Historical Society of Quebec - Literary; Historical Society of Quebec. (1829)

Transactions of the London Natural History Society - London Natural History Society. (1918)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1868)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1902)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1874)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1889)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1909)