Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1914)

Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1911)

Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1912)

Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1913)

Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1921)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1986)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1886)

Societatum litterae (R. Friedländer, 1893)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1959)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum diferentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Linné, Carl von, 1707 -1778 (Junk, 1753)

Species plantarum, exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Linné, Carl von, 1707 -1778 (Typis Joannis Thomae de Trattner, 1764)

Specimen botanicum sistens fasciculum plantarum ex flora comitatus Lippiaci - Barckhausen, Gottlieb. (Ex Officina Joann. Christiani Dieterich, 1775)

Spicilége de la flore bruxelloise - Muller, Félix, 1818 -1896 (Hayez, 1862)

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)

The student's flora of the British islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan, 1884)

Studier över de norrländska myrmarkernas vegetation : med särskild hänsyn till deras skogsvegetation efter torrlaggning - Melin, Elias, 1889 - (Almqvist & Wiksell, 1917)

The study of plants; an introduction to botany and plant ecology - Woodhead, Thomas William (Clarendon Press, 1915)

Sub-alpine plants : or, Flowers of the Swiss woods and meadows - Thompson, Harold Stuart, 1870 -1940 (Routledge, 1912)

Sub-alpine plants : or, flowers of the Swiss woods and meadows - Thompson, Harold Stuart, 1870 -1940 (G. Routledge & Sons, 1912)

Subterranean Biology (Pensoft Publishers, 2017)

Sulla flora della provincia Senese e Maremma toscana - Tassi, Attilio, 1820 -1905 (Tip. nel R. Instit. dei Sordo-Muti di L. Lazzeri, 1862)

A summary of research at the Manitou Experimental Forest in Colorado, 1937-1983 - Gary, Howard L. (1985)

Summer flowers of the high Alps - Hastings, Somerville. (Dent, 1910)

Summer flowers of the high Alps - Hastings, Somerville, 1878 -1967 (Dent, 1910)

Supplément à la flore de la Mayenne [1 and 2] - Léveillé, Hector, 1863 -1918 (Ed. Monnoyer, 1897)

Supplementum Prodromi florae Hispanicae sive, Enumeratio et descriptio omnium plantarum inde ab anno 1862 usque ad annum 1893 in Hispania detectarum quae innotuerunt auctori, adjectis locisnovis specierum jam notarum - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1893)

Survey of rare vascular plants in Fidler-Greywillow Wildland Provincial Park - Alberta. Parks; Protected Areas Division. (Alberta Community Development, Parks and Protected Areas, 2005)

Svensk botanik - Swartz, Olof, 1760 -1818 (Tryckt hos C. Delén, 1802)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1907)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1908)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1909)

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

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

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1913)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1914)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1916)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1917)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1918)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1921)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1923)

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

Svenska Linnésällskapets årsskrift = Yearbook of the Swedish Linnaeus Society - Svenska Linnésällskapet. (Almqvist & Wiksells, 1926)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

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, 1981)

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

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1991)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1995)

A synopsis of British plants, in Mr. Ray's method, with their characters, descriptions, places of growth, time of flowering, and physical virtues. Together with a botanical dictionary - Wilson, John. (1744)

Synopsis of the flora of Colorado - Coulter, John Merle, 1851 -1928 (Govt. print. off, 1874)

Synoptical flora of North America - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, and Co. [etc.,etc.], 1878)

Synoptical flora of North America - Gray, Asa, 1810 -1888 (American Book Company, 1878)

Synoptical flora of North America: the Gamopetalæ, being a second edition of vol. I, part II, and vol. II, part I, collected - Gray, Asa, 1810 -1888 (Iverson, Blakeman, Taylor, and Company, 1886)

A system of physiological botany - Keith, Patrick, 1769 -1840 (Printed for Baldwin, Cradock, and Joy, 1816)

Systema characterum plantarum; seu, Dictionarium rerum botanicum, filio conscriptum, et ab ipso figuris illustratum - Pereboom, Cornelius. (1788)

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)

Systematic lists illustrative of the Flora, Fauna, Palaeontology, and Archaeology of the North of Ireland - Stewart, Samuel Alexander, 1826 -1910 (Printed for the Club, 1870)

Systematisches Verzeichniss wilder Pflanzen die in der Nähe und umliegenden Gegend von Jena wachsen - Graumüller, Johann Christian Friedrich, 1770 -1824 (In der Akademischen Buchh, 1803)

Systême sexuel des végétaux, suivant les classes, les ordres, les genres et les espèces, avec les caractères et les differences - Linné, Carl von, 1707 -1778 (A. Bertrand, 1803)

Sytematische Anleitung zu botanischen Excursionen in Mitteleuropa : für Universitäten, Gymnasien und Realschulen - Strohecker, Jonas Rudolph. (E. H. Gummi, 1869)

Tabellarische Übersicht der Kennzeichen der Ächtheit und Güte so wie der fehlerhaften Beschaffenheit, der Verwechselungen und Verfälschungen sämmtlicher bis jetzt gebräuchlichen einfachen, zubereiteten und zusammengesetzten Arzneymittel. : Zum bequemen Gebrauche für Ärzte, Physici, Apotheker, Droguisten und chemische Fabricanten - Ebermaier, Johann Erdwin Christoph, 1768? -1825 (Bey Johann Ambrosius Barth, 1810)

Taschenbuch der deutschen und schweizer Flora, enthaltend die genauer bekannten Pflanzen, welche in Deutschland, der Schweiz, in Preussen und Istrien wild wachsen und zum Gebrauche der Menschen in grösserer Menge gebauet werden, nach dem DeCandollischen Systeme geordnet, mit einer vorangehenden Uebersicht der Gattungen nach den Classen und Ordnungen des Linnéischen Systemes - Koch, Wilhelm Daniel Joseph, 1771 -1849 (Gebhardt und Reisland, 1865)

Taschenbuch der Flora Deutschlands; nach dem Linnéischen Systeme geordnet - Kittel, Martin Balduin, 1798 -1885 (J.L. Schrag, 1847)

Taschenbuch der Flora Deutschlands; zum Gebrauche auf botanischen Excursionen - Kittel, Martin Balduin, 1798 -1885 (J.L. Schrag, 1853)

Taschenbuch der Flora von Trier und Luxemburg : mit Beru¨cksichtigung der Nahe- und Glan-Gegenden - Löhr, Matthias Joseph, 1800 -1864 (C. Troschel, 1844)

Taschenbuch für den schweizerischen Botaniker - Ducommun, Jules César, 1829 -1892 (Selbstverlag des Verfassers, 1869)

Tentamen florae Gedanensis methodo sexuali adcommodatae - Mentzel, Christian, 1622 -1701 (Apud D.L. Wedel, 1764)

Tentamen florae Germanicae; continens enumerationem plantarum in Germania sponte nascentium - Roth, Albrecht Wilhelm, 1757 -1834 (In Bibliopolio I.G. Mlleriano, 1788)

Theatrum botanicum = the theater of plants : or, An herball of a large extent ... - Parkinson, John, 1567 -1650 (Printed by Tho. Cotes, 1640)

Theoria systematis plantarum; accedit familiarum phanerogamarum in series naturales dispositio, secundum structurae normas et evolutionis gradus instituta - Agardh, Jacob Georg, 1813 -1901 (Apud C. W. K. Gleerup; [etc.,etc.], 1858)

Tidsskrift for populære fremstillinger af naturvidenskaben (P.G. Philipsens forlag, 1870)

Tijdschrift voor natuurlijke geschiedenis en physiologie (1834)

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)

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)

Topography and natural history of Lofthouse and its neighbourhood : with the diary of a naturalist and rural notes - Roberts, George. (D. Bogue, 1882)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1902)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1886)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1893)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1898)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1923)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1862)

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. (1883)

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 proceedings - Botanical Society Of Pennsylvania, Philadelphia. (University of Pennsylvania, 1911)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1894)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1891)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1900)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1905)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1916)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1895)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1905)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1912)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1918)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1952)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1982)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1983)

Transactions of the American Philosophical Society - American Philosophical Society. (1843)

Transactions of the American Philosophical Society - American Philosophical Society. (1863)

Transactions of the Botanical Society - Botanical Society of Edinburgh. (Botanical Society of Edinburgh, 1850)

Transactions of the Botanical Society - Botanical Society of Edinburgh. (Botanical Society of Edinburgh, 1858)

Transactions of the Botanical Society - Botanical Society of Edinburgh. (Botanical Society of Edinburgh, 1887)

Transactions of the Botanical Society - Botanical Society of Edinburgh. (Botanical Society of Edinburgh, 1841)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1916)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1917)

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