Synopsis der mitteleuropaïschen flora - Graebner, Paul, 1871 -1933 (W. Engelmann, 1896)

Synopsis des zoocécidies d'Europe / par l'abbé J.-J. Kieffer - Kieffer, J.-J. (Jean-Jacques), 1857 -1925 (Société entomologique de France, 1901)

Synopsis florae Germanicae et Helveticae : exhibens stirpes phanerogamas rite cognitas, quae in Germania, Helvetia, Borussia et Istria sponte crescunt atque in hominum usum copiosius coluntur : secundum systema Candolleanum digestas, praemissa generum dispositione secundum classes et ordines systematis Linnaeani conscripta - Koch, Wilhelm Daniel Joseph, 1771 -1849 (F. Wilmans, 1837)

Synopsis florae Germanicae et Helveticae : exhibens stirpes phanerogamas rite cognitas, quae in Germania, Helvetia, Borussia et Istria sponte crescunt atque in hominum usum copiosius coluntur. Index generum, specierum et synonymorum - Koch, Wilhelm Daniel Joseph, 1771 -1849 (F. Wilmans, 1838)

Synopsis methodica animalium quadrupedum et serpentini generis : vulgarium notas characteristicas, rariorum descriptiones integras exhibens : cum historiis & observationibus anatomicis perquam curiosis : praemittuntur nonnulla De animalium in genere, sensu, generatione, divisione, &c - Ray, John, 1627 -1705 (Impensis S. Smith & B. Walford, 1693)

Synopsis methodica stirpium Britannicarum : in qua tum notae generum characteristicae traduntur, tum species singulae breviter describuntur: ducentae quinquaginta plus minus novae species partim suis locis inseruntur, partim in appendice seorsim exhibentur : cum indice & virium epitome - Ray, John, 1627 -1705 (Prostant apud Sam. Smith ad insignia principis in coemeterio D. Pauli, 1690)

Synopsis mycologiae Venetae secundum matrices - Cuboni, Giuseppe, 1852 -1920 (Typis Seminarii, 1886)

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 North American butterflies - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Osgood and Company, 1879)

... Synopsis of the described Lepidoptera of North America. Part I–Diurnal and crepuscular Lepidoptera - Morris, John G. (John Gottlieb), 1803 -1895 (Smithsonian institution, 1862)

Synopsis of the described Lepidoptera of North America. Part I–Diurnal and crepuscular Lepidoptera. Comp. for the Smithsonian institution - Morris, John G. (John Gottlieb), 1803 -1895 (Smithsonian institution, 1862)

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

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

A synopsis of the genera of American plants, according to the latest improvements on the Linnaean system: with the new genera of Michaux and others. Intended for the use of students in botany ... - Rich, Oliver O. (Printed by J. M. Carter, for J. Milligan, and Richards and Mallory, Georgetown, A. Finley, Philadelphia; [etc., etc.], 1814)

Synopsis of the genera of vascular plants in the vicinity of San Francisco, with an attempt to arrange them according to evolutionary principles - Behr, H. H. (Hans Herman), 1818 -1904 (Payot, Upham, 1884)

A synopsis; or, systematic catalogue of the medicinal plants of the United States - Clapp, A. (Asahel) (T.K. and P.G. Collins, printers, 1852)

Synopsis plantarum florae classicae, oder: Uebersichtliche darstellung der in den klassischen schriften der Griechen und Ro¨mer vorkommenden pflanzen, nach autoptischer untersuchung im florengebiete, entworfen und nach synonymen geordnet - Fraas, C., 1810 -1875 (E. A. Fleischmann, 1845)

Synopsis plantarum in flora Gallica descriptarum - Candolle, Augustin Pyramus de, 1778 -1841 (Apud H. Agasse, 1806)

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, 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 vascularium Montis Pollini - Terracciano, Nicola. (Tipografia della R. Accademia dei Lincei, 1890)

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

A synoptical compend of British botany ... arranged after the Linnean system - Galpine, John Kingston, 1806 (S. Bagster, 1820)

A synoptical compend of British botany ... arranged after the Linnean system - Galpine, John Kingston, 1806 (S. Bagster, 1834)

Synoptische Tabellen zur leichten Bestimmung der häuftligeren deutschen Pflanzen-Gattungen nach den Jussieuschen System; zum Gebrauche der Schulen und Zum Selbststudium - Zabel, Hermann, 1832 -1912 (H. Augustin, 1872)

A synthesis of evolutionary theory - Ross, Herbert H. (Herbert Holdsworth), 1908 -1978 (Prentice-Hall, 1962)

System der Acalephen : eine aus führliche Beschreibung aller medusenartigen Strahlthiere - Eschscholtz, Johann Friedrich, 1793 -1831 (F. Dummler, 1829)

System der Acalephen : eine ausführliche Beschreibung aller medusenartigen Strahlthiere - Guimpel, Friedrich, 1774 - (bei Ferdinand Dümmler, 1829)

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

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 algarum - Agardh, C. A. (Carl Adolf), 1785 -1859 (Literis Berlingianis, 1824)

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 glossatorum secundum ordines, genera, species, adiectis, synonymis, locis, observationibus, descriptionibus - Fabricius, Johann Christian, 1745 -1808 (C. Reichard, 1938)

Systema horti-culturæ, or, The art of gardening : in three books ... : illustrated with sculptures, representing the form of gardens, according to the newest models - Worlidge, John, active 1660 -1698 (Printed for Tho. Dring ..., 1688)

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

Systema naturæ in quo naturae regna tria, secundum classes, ordines, genera, species, systematice, proponuntur - Linné, Carl von, 1707 -1778 (Apud G. Kiesewetter, 1740)

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 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 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)

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