Societatum litterae (R. Friedländer, 1890)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1912)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1943)

Southern wild flowers and trees, together with shrubs, vines and various forms of growth found through the mountains, the middle district and the low country of the South - Rowan, Ellis, 1848 -1922 (F.A. Stokes Co, 1901)

Der Spaltöffnungsapparat im Lichte der Phylogenie. Ein Beitrag zur "phylogenetischen Pflanzenhistologie." - Porsch, Otto, 1875 - (G. Fischer, 1905)

Species Blancoanae :a critical revision of the Philippine species of plants described by Blanco and by Llanos - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Bureau of Printing, 1918)

The species of Tradescantia indigenous to the United States - Anderson, Edgar, 1897 -1969 (The Arnold Arboretum of Harvard University, 1935)

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 - Willdenow, Karl Ludwig, 1765 -1812 (impensis G.C. Nauk, 1797)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Willdenow, Karl Ludwig, 1765 -1812 (impensis G.C. Nauk, 1799)

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)

Species plantarum, exhibentes plantas rite cognitas ad genera relatas cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus secundum systema sexuale digestas - Link, Heinrich Friedrich, 1767 -1851 (G.C. Nauck, 1833)

Spixiana Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1981)

Spring 1920 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1920)

Spring 1921 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. H. Mellen Co, 1921)

Spring 1921 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1921)

Spring 1922 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1922)

Spring 1923 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1923)

Spring 1924 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1924)

Spring 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1925)

Spring 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1926)

Spring 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1927)

Spring 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1928)

Spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1929)

Spring 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1930)

Spring 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thos. J. Grey Co, 1931)

Spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.C. Anderson, 1929)

Spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.C. Anderson, 1928)

Spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.C. Anderson, 1933)

Spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.C. Anderson, 1932)

Spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.C. Anderson, 1931)

Spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.C. Anderson, 1930)

Spring [catalog] 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. H. Mellen Co, 1924)

Spring [catalog] 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. H. Mellen Co, 1925)

Spring catalogue 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carters Tested Seeds, Inc, 1922)

Spring catalogue : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H .H. Berger & Co, 1925)

Spring catalogue : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H .H. Berger & Co, 1926)

Spring catalogue, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Berger's Bulb and Seed Co., Inc, 1928)

Spring catalogue of seeds, bulbs and plants for 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1890)

Springs of 1903 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs and Harrison Co, 1903)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co.; [etc., etc.], 1916)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

Standardized plant names; a catalogue of approved scientific and common names of plants in American commerce - Olmsted, Frederick Law, 1870 -1957 (1923)

Die Standorte und Trivialnamen der Gefässpflanzen der Aargau's - Mühlberg, Fritz, 1840 -1915 (H. R. Sauerländer, 1880)

Station bulletin - New Hampshire Agricultural Experiment Station. (Agricultural Experiment Station, University of New Hampshire, 1948)

Statistics of the state of Georgia : including an account of its natural, civil, and ecclesiastical history ; together with a particular description of each county, notices of the manners and customs of its aboriginal tribes, and a correct map of the state - White, George, 1802 -1887 (W. Thorne Williams, 1849)

Strasburger's Text-book of botany - Strasburger, Eduard, 1844 -1912 (Macmillan, 1921)

Studies in plant regeneration - Kupfer, Elsie Mabel. ([s.n.], 1907)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1979)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1995)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1972)

Stuttgarter Beiträge zur Naturkunde Serie B Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1993)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2000)

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

Sumatra, zijne plantenwereld en hare voortbrengselen - Miquel, Friedrich Anton Wilhelm 1811 -1871 (C.G. van der Post, 1862)

Summa plantarum :a Fulgentio Vitman in lucem editae anno 1789 - Pirotam et Masperum. (Apud Pirotam et Masperum, Excusores Bibliopolaeque, 1802)

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, 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, 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)

Summae plantarum a Fulgentio Vitman in lucem editae anno 1789 supplementum Tomus I - Vitman, Fulgenzio Antonio Maria, ‏ 1728 -1806 (Apud Pirotam et Masperum, 1802)

A supplement to the pharmacopoeia being a treatise on pharmacology in general; including not only the drugs and compounds which are used by practitioners of medicine, but also those which are sold by chemists, druggists, and herbalists, for other purposes; together with a collection of the most useful medical formulæ ; an explanation of the contractions used by physicians and druggists; the medical arrangement of the articles of the London pharmacopeia, with their doses, at one view; a similar list of the indigenous plants of the British islands, which are capable of being used in medicine, &c. ; and also a very copious index, English and Latin, of the various names by which the articles have been known at different periods - Gray, Samuel Frederick, 1766 -1828 (printed for Thomas and George Underwood, 1821)

A supplementary list of Chinese flowering plants, 1904-1910 - Dunn, S. T. (Stephen Troyte), 1868 -1938 (1911)

Supplementum primum Prodromi florae Novae Hollandiae: exhibens proteaceas novas quas in Australasia legerund, DD. Baxter, Caley, Cunningham, Freser et Sieber - Brown, Robert, 1773 -1858 (Typis R. Taylor, 1830)

Sutton's seeds - Sutton & Sons Ltd. (Sutton & Sons, 1920)

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 Phanerogamenkunde - Eichler, August Wilhelm, 1839 -1887 (Schwers'sche Buchh, 1876)

Sylloge florae congolanae [Phanerogamae] - Durand, Th. (Théophile), 1855 -1912 (Maison A. de Boeck, 1909)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1788)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1897)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1898)

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, 1912)

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

Sylloge opusculorum botanicorum cum adjectis annotationibus Pt. i - Reichard, Johann Jakob, 1743 -1782 (1782)

Symbolae ad floram Brasiliae centralis cognoscendam - Warming, Eugenius, 1841 -1924 (Naturhistoriske Forening i Kjöbenhavn, 1877)

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)