SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2001)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2002)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2004)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2006)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1886)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1904)

A sketch of the natural history of the District of Columbia together with an indexed edition of the U.S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 (H.L. & J.B. McQueen, Inc, 1918)

A sketch of the natural history of the District of Columbia together with an indexed ed. of the U. S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 ([Press of H. L. & J. B. McQueen, inc.], 1918)

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

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1985)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1997)

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

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2014)

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

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1879)

Societatum litterae (R. Friedländer, 1887)

Soil alkali; its origin, nature, and treatment - Harris, Franklin Stewart, 1884 -1960 (J. Wiley, 1920)

Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions - Hilgard, Eugene W. (Eugene Woldemar), 1833 -1916 (Macmillan, 1907)

Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions - Hilgard, Eugene W. (Eugene Woldemar), 1833 -1916 (The Macmillan Company, 1906)

Some account of the fauna and flora of Sinai, Petra, and Wâdy 'Arabah - Hart, Henry Chichester, 1847 -1908 (Pub. for the Committee of the Palestine exploration fund by A. P. Watt, 1891)

Some account of the fauna and flora of Sinai, Petra, and WÃ¢dy 'Arabah - Hart, Henry Chichester, 1847 -1908 (Pub. for the Committee of the Palestine Exploration Fund by A.P. Watt, 1891)

Some new anatomical characters for certain Gramineæ - Holm, Theodor (Herman Theodor), 1854 -1932 (Tuttle, Morehouse & Taylor, 1903)

Some new and important plant disease occurrences and developments in the United States in 1957 - Nance, Nellie W. (Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1958)

Sources of the Ohio flora - Duvel, J. W. T. (1899)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1911)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1917)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1920)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1921)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1924)

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, 1928)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1921)

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

South Carolina. Resources and population. Institutions and industries - Hammond, Harry, (Walker, Evans & Cogswell, printers, 1883)

Southeastern Oklahoma wildlife study : federal coal reserve area : final report - Environmental Science; Engineering, Inc. (Environmental Science and Engineering, 1980)

The Southern planter (Southern Planter Pub. Co, 1899)

The spatial and temporal partitioning of a desert spider community, with descriptions of new species - Gertsch, Willis John, 1906 - (American Museum of Natural History, 1976)

Special papers - Ohio Academy of Science. (The Academy, 1899)

Special reports of state geologist, 1860 - Geological Survey of California. (John Wilson & Son, 1880)

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)

St. Croix's flora - Eggers, H. F. A. Baron von, (Heinrich Franz Alexander), 1844 -1903 (s.n, 1876)

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)

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

The strand flora of the Hawaiian Archipelago. II, Ecological relations - MacCaughey, Vaughan, 1887 - (1918)

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 structure of the caryopsis of grasses with reference to their morphology and classification - Kennedy, Patrick Beveridge, 1874 -1930 (Govt. print. off, 1899)

Studies on Rocky Mountain flora - Rydberg, Per Axel, 1860 -1931 (New York Botanical Garden, 1909)

A study of the life history and ecology of the round-tailed muskrat (Neofiber alleni True) in North Central Florida - Birkenholz, Dale Eugene, 1931 - (1962)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1968)

Summary of re-identifications - December 1959 through June 1960 : Change No. 1 - United States. Agricultural Research Service. New Crops Research Branch, (New Crops Research Branch, 1960)

Summary of re-identifications - January through April 1961 : Change No. 4 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

Summer in a bog - Sharp, Katharine (Emily) Dooris, 1846 -1935 (Stewart & Kidd, 1913)

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

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)

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 for Psoralea hypogaea in the Great Falls Resource Area, Lewistown District, Bureau of Land Management, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1994)

A survey of natural areas in Brunswick County, North Carolina : for The North Carolina Natural Heritage Program, Coastal Natural Area Inventory Project - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Dept. of Natural Resources and Community Development, 1982)

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 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, 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 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 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 florae Siculae; seu, Vascularium plantarum Siciliam sponte incolentium enumeratio - Nicotra, Leopoldo, 1846 -1940 (1893)

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