La subregión fitogeográfica costarricense - Sociedad Nacional de Agricultura de Costa Rica. (Sociedad Nacional de Agricultura de Costa Rica, 1909)

Südamerikanische Nymphalidenraupen Versuch eines natürlichen Systems der Nymphaliden - Müller, Wilhelm (G. Fischer, 1886)

Summa plantarum : quae hactenus innotuerunt methodo Linnaeana per genera et species digesta illustrata descripta - Vitman, Fulgenzio Antonio Maria, ‏ 1728 -1806 (Typis Imper. Monast. s. Ambrosii majoris, 1789)

Summa plantarum :quae hactenus innotuerunt methodo Linnaeana per genera et species digesta, illustrata, descripta - Imper. Monast. s. Ambrosii majoris. (Typis Imper. Monast. s. Ambrosii majoris, 1791)

Summa plantarum :quae hactenus innotuerunt methodo Linnaeana per genera et species digesta, illustrata, descripta - Imper. Monast. s. Ambrosii majoris. (Typis Imper. Monast. s. Ambrosii majoris, 1792)

Summa plantarum, quae hactenus innotuerunt methodo Linnaeana per genera et species digesta, illustrata, descripta - Imper. Monast. s. Ambrosii majoris. (Typis Imper. Monast. S. Ambrosii Majoris, 1789)

Summer - Sharp, Dallas Lore, 1870 -1929 (Houghton Mifflin Company, 1914)

... Summer - Sharp, Dallas Lore, 1870 -1929 (Houghton Mifflin company, 1914)

Summer institute in systematics at the Smithsonian Institution 25 June - 14 July 1967, in conjunction with American Society of Zoologists and Society of Systematic Zoology. Transcript of lectures (1968)

Superb collection of insects, elegant cabinets, &c. : a catalogue of the most capital assemblage of insects probably ever offered to public sale ... - Drury, Dru, 1725 -1803 ([King & Lochée], 1805)

Supplement to the arctic zoology - Pennant, Thomas, 1726 -1798 (Printed by Henry Hughs, 1787)

Sur la flore de la Serra do Itatiaya au Brésil - Dusén, P. (Per), 1855 -1926 (Imprensa Nacional, 1905)

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

Sweet's Hortus britannicus, or a catalogue of plants cultivated in the gardens of Great Britain, arranged in natural orders ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1827)

Sweet's Hortus britannicus, or A catalogue of plants cultivated in the gardens of Great Britain, arranged in natural orders ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1827)

Sweet's Hortus britannicus; or, A catalogue of plants, indigenous, or cultivated in the gardens of Great Britain;arranged according to their natural orders, with references to the Linnean class and order to which each genus belongs; the whole brought up to the present time, and contains above 34,000 plants ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1830)

Sweet's Hortus britannicus; or, A catalogue of plants, indigenous, or cultivated in the gardens of Great Britain; arranged according to their natural orders, with references to the Linnean class and order to which each genus belongs; the whole brought up to the present time, and contains above 34,000 plants ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1830)

Sweet's Hortus britannicus : or a catalogue of plants cultivated in the gardens of Great Britain, arranged in natural orders - Sweet, Robert, 1783 -1835 (J. Ridgway, 1826)

Syllabus de Pflanzenfamilien, eine Übersicht über das gesamte Pflanzensystem mit besonderer Berücksichtigung der Medizinalund Nutzpflanzen nebst einer Ubersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1919)

Syllabus der Pflanzenfamilien : eine Übersicht über das gesamte Pflanzensystem mit Berücksichtigung der Medizinal- und Nutzpflanzen, nebst einer Übersicht über die Florenreiche und Florengebiete der Erde : zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1904)

Syllabus der pflanzenfamilien : eine übersicht über das gesamte pflanzensystem mit berücksichtigung der medizinal- und nutzpflanzen, nebst einer übersicht über die florenreiche und florengebiete der erde, über spezielle und medizinisch-pharmazeutische botanik - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1909)

Syllabus der Pflanzenfamilien : eine Übersicht über das gesamte Pflanzensystem mit Berücksichtigung der Medicinal- und Nutzpflanzen nebst einer Übersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über specielle und medicinisch-pharmaceutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1903)

Syllabus der Vorlesungen über specielle und medicinisch-pharmaceutische Botanik. Eine Uebersicht über das gesammte Pflanzensystem mit Berücksichtigung der Medicinal- und Nutzpflanzen - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1892)

Syllabus of lectures. Nature study - Comstock, Anna Botsford, 1854 -1930 (Comstock Pub. co, 1900)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1902)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1905)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1906)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1913)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1928)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1931)

Sylviculture in the tropics - Broun, Alfred Forbes, 1858 - (Macmillan, 1912)

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, 1903)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1920)

Synonymia botanica locupletissima generum, sectionum vel subgenerum ad finem anni 1858 promulgatorum : In forma conspectus systematici totius regni vegetabilis schemati Endlicheriano adaptati - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischer, 1870)

A synonymic catalogue of Lepidoptera Heterocera. (Moths) : Vol. 1. Sphinges and bombyces - Kirby, W. F. (William Forsell), 1844 -1912 (Gurney & Jackson, 1892)

A synopsis of economic entomology - Lochhead, W. (s.n, 1919)

A synopsis of the collections - Field Museum of Natural History. ([The Museum], 1922)

Synopsis of the contents of the British Museum - British Museum ([the Museum], 1854)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1847)

Synopsis of the contents of the British Museum - British Museum (G. Woodfall and Son, 1852)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1844)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1846)

Synopsis of the contents of the British Museum - British Museum (printed by Woodfall & Kinder, 1855)

Synopsis of the contents of the British Museum - British Museum (printed by Woodfall and Kinder, 1856)

Synopsis of the contents of the British Museum - British Museum (Cox & Baylis, 1817)

Synopsis of the contents of the British Museum - British Museum (Printed by Woodfall and Kinder, 1853)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1848)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1851)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1850)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1824)

Synopsis of the contents of the British Museum - British Museum ([the Museum], 1823)

Synopsis of the contents of the British Museum - British Museum ([The Museum], 1827)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1839)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1838)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1838)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, Angel Court, Skinner Street, 1840)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1832)

Synopsis of the contents of the British Museum - British Museum (printed by Woodfall, 1837)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1837)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1835)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, Angel Court, Skinner Street, 1836)

Synopsis of the contents of the British Museum - British Museum (Woodfall, 1842)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, Angel Court, Skinner Street, 1840)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1845)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1849)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1826)

Synopsis of the contents of the British Museum - British Museum (Woodfall, 1841)

Synopsis of the families and genera of the Hymenoptera of America, north of Mexico together with a catalogue of the described species and bibliography - Cresson, E. T. (Ezra Townsend), 1838 -1926 (American Entomological Society?, 1887)

Synopsis plantarum :seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1852)

Synopsis plantarum; seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1839)

Synopsis plantarum,seu Enchiridium botanicum, complectens enumerationem systematicam specierum hucusque cognitarum - Persoon, C. H. (Christiaan Hendrik), 1755 -1837 (C.F. Cramerum, 1807)

A system of vegetables. According to their classes, orders, genera, species, with their characters and differences ... - Linné, Carl von, 1707 -1778 (Printed by J. Jackson for Leigh and Sotheby, 1783)

A system of vegetables, according to their classes, orders, genera, species, with their characters and differences ... - Linné, Carl von, 1707 -1778 (Printed by J. Jackson for Leigh and Sotheby, 1782)

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

Systema entomologiae : sistens insectorvm classes, ordines, genera, species, adiectis synonymis, locis, descriptionibvs, observationibvs - Fabricius, Johann Christian, 1745 -1808 (In Officina Libraria Kortii, 1775)

Systema materiae medicae vegetabilis brasiliensis - Martius, Karl Friedrich Philipp von, 1794 -1868 (apud F. Fleischer, 1843)

Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1767)

Systema naturae, per regna tria naturae : secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1767)

Systema naturae, per regna tria naturae : secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1770)

Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae von Trattner, 1767)

Systema natvræ per regna tria natvræ : secvndum classes, ordines, genera, species, cvm characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (Typis Academicis, 1793)

Systema natvrae per regni tria natvrae secvndvm classes, ordines, genera, species, cvm characteribvs, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Io. Iac. Cvrt, 1760)

Systema plantarum a staminum situ. Secundum classes, ordines et genera, cum characteribus essentialibus - Gleditsch, Johann Gottlieb, 1714 -1786 (Haude et Spener, 1764)

Systematische Untersuchungen über die Vegetation der Karaiben, inbesondere der Insel Guadeloupe - Grisebach, A. (August), 1814 -1879 (Verlag der Dieterichschen Buchhandlung, 1857)

Systematisches Verzeichniss der Macrolepidopteren von Nord-Amerika - Gerhard, Bernhard. (1878)

Système des plantes : contenant les classes, ordres, genres et espèces; les caractères naturels et essentiels des genres; les phrases charactéristiques des espèces; la citation des meilleures figures; le climat et le lieu natal des plantes; l'époque de leur floraison; leurs propriétés et leurs usages dans les arts, dans l'économie rurale et la médecine - Linné, Carl von, 1707 -1778 (Chez Bruyset aîné et Buynand, 1804)

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)

Tableau de l'école de botanique du Jardin du roi - Desfontaines, René Louiche, 1750 -1833 (J. A. Brosson, 1815)

Tableau de l'École de botanique du Muséum d'histoire naturelle - Desfontaines, René Louiche, 1750 -1833 (J. A. Brosson, 1804)

Tableau du règne végétal, selon la méthode de Jussieu - Ventenat, É. P. (Étienne Pierre), 1757 -1808 (de l'Imprimerie de J. Drisonnier, 1799)

Tableau encyclopédique et méthodique des trois règnes de la nature. Botanique - Poiret, Jean-Louis-Marie, 1755 -1834 (Panckoucke, 1823)

Tableau géographique de la végétation primitive dans la Province de Minas Geraes - Saint-Hilaire, Auguste de, 1779 -1853 (A. Pihan de la Forest, 1837)

Tabula affinitatum regni vegetabilis - Batsch, A. J. G. K. (August Johann Georg Karl), 1761 -1802 (In bibliopolio, vulgo Landes-industrie-comptoir, 1802)

Tabulae phytographicae, analysin generum plantarum exhibentes - Gessner, Johannes, 1709 -1790 (Impensis J.H. Fuessli, 1804)

Taschenwörterbuch für Botaniker und alle Freunde der Botanik : enthaltend die botanische Nomenklatur, Terminologie und Litteratur nebst einem alphabetischen Verzeichnisse aller wichtigen Zier-, Treibhaus- und Kulturpflanzen, sowie derjenigen der heimischen Flora - Glaser, L. (Ludwig), 1818 -1898 (Weigel, 1885)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume VI, Sti-Vuy - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1986)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume IV, P-Sak - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1983)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2022)

Technical series / Bureau of Entomology United States Department of Agriculture - United States. Bureau of Entomology. (Govt. print. off, 1897)

The Technologist (Kent & Co, 1862)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 2015)

Tenants of an old farm; leaves from the note-book of a naturalist - McCook, Henry C. (Henry Christopher), 1837 -1911 (G. W. Jacobs 6 co.; [etc., etc, 1902)