Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1977)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1981)

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

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1991)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2011)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2012)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2016)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2019)

Smithsonian contributions to paleobiology - Smithsonian Institution (Smithsonian Institution Press, 1996)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1927)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1959)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1978)

Some botanical notes : from the biological laboratory - Sweetser, Albert R. (Albert Raddin), 1861 -1940 (University of Oregon, 1906)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1910)

South American rophitine bees (Hymenoptera, Halictidae, Rophitinae) - Rozen, Jerome G. Jr. (Jerome George), 1928 - (American Museum of Natural History, 1997)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1926)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1927)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1929)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1932)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1937)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1936)

Southwestern rare and endangered plants : proceedings of the second conference : September 11-14, 1995, Flagstaff, Arizona - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1996)

Special papers - Ohio Academy of Science. (The Academy, 1909)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1970)

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)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1930)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1935)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1937)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1934)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1939)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1938)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1931)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1932)

A spring flora for high schools - Cowles, Henry Chandler, 1869 -1939 (American Book Company, 1915)

Spring flora of Ohio consisting of descriptions of the early native flowering plants ... - Kellerman, W. A. (William Ashbrook), 1850 -1908 (J. L. Trauger, 1895)

Spring flora of the Wasatch region - Garrett, A. O. (Albert Osbun), 1870 -1948 (Skelton Publishing, 1911)

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)

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)

Status review of Claytonia lanceolata var. flava, U.S. Forest Service, Region 1, Beaverhead, Deerlodge and Gallatin National Forests, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1989)

The Stephen A. Forbes collections at the Illinois Natural History Survey, 1858-1994 : Annual report 1994 - Forbes, Stephen Alfred, 1844 -1930 (Illinois Natural History Survey, 1994)

Structural botany : or, organography on the basis of morphology : to which is added the principles of taxonomy and phytography, and a glossary of botanical terms - Gray, Asa, 1810 -1888 (Macmillan and Co, 1879)

Structural botany, or, Organography on the basis of morphology. To which is added the principles of taxonomy and phytography, and a glossary of botanical terms - Gray, Asa, 1810 -1888 (American Book Compnay, 1907)

Structural botany, or Organography on the basis of morphology. To which is added the principles of taxonomy and phytography, and a glossary of botanical terms - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, and company, 1879)

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

Studies on Rocky Mountain flora - Rydberg, Per Axel, 1860 -1931 (New York Botanical Garden, 1912)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1975)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1977)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1982)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1969)

The subantarctic islands of New Zealand. Reports on the geo-physics, geology, zoology, and botany of the islands lying to the south of New Zealand, based mainly on observatiohs and collections made during an expedition in the government steamer "Hinemoa" (Captain J. Bollons) in November, 1907 - Chilton, Chas (Charles) 1860 - (Printed by J. Mackay, govt. printer, 1909)

Succulent plants in trade from the wild: analysis of conservation status and international trade - Gillett, Harriet J. (UK Dept of the Environment, Transport and Regions, 1999)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 1997)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 1993)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 2006)

Die Sukkulenten (Fettplanzen und Kakteen) : Beschreibung, Abbildung und Kultur derselben - Schumann, K. (Karl) 1851 -1904 (P. Parey, 1892)

Die Sumpf- und Wasserpflanzen : ihre Beschreibung, Kultur und Verwendung - Mönkemeyer, Wilhelm, 1862 -1938 (Paul Parey, 1897)

Supplement to the Catalogue of Arkansas plants - Buchholz, J. T. (John Theodore), 1888 -1951 (Academy of Science of St. Louis], 1926)

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)

A survey of Canadian plants in relation to their environment - Adams, John, 1872 -1950 (Canada Dept. of Agriculture, 1927)

Survival of food crops and livestock in the event of nuclear war Proceedings of a symposium held at Brookhaven National Laboratory, Upton, Long Island, New York, Sept. 15-18, 1970 - Brookhaven National Laboratory. (1971)

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

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

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)

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)

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, 1925)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1977)

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, 1983)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1985)

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)

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

Symbolae ad floram Brasiliae centralis cognoscendam - Warming, Eugenius, 1841 -1924 (Naturhistoriske Forening i Kjöbenhavn, 1867)

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, 1898)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1904)

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, 1920)

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

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)

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