Studies of plant life in Canada : wild flowers, flowering shrubs, and grasses - Traill, Catherine Parr Strickland, 1802 -1899 (W. Briggs, 1906)

Studies on Rocky Mountain flora - Rydberg, Per Axel, 1860 -1931 (New York Botanical Garden, 1905)

Studies on the genus Agropyron - University of Alberta. Department of Field Crops. (1930)

Studies on the genus agropyron - Robinson, Wilfred, (University of Alberta, 1928)

Studies on the vegetation of the Transcaspian lowlands - Paulsen, Ove, 1874 -1947 (Gyldendalske Boghandel, 1912)

Studies on the vegetation of the Transcaspian lowlands - Danske Pamirexpedition, 2d, 1898-1899. (Gyldendal, 1912)

A study of North American Geraniaceae - Trelease, William, 1857 -1945 (s.n, 1887)

The study of plant communities : an introduction to plant ecology - Oosting, Henry John, 1903 - (W.H. Freeman, 1948)

The study of plants; an introduction to botany and plant ecology - Woodhead, Thomas William (Clarendon Press, 1915)

A study of waterfowl broods in eastern Montana with special reference to movements and the relationship of reservoir fencing to production - Berg, Paul F. (1955)

Stumpp & Walter Co.'s seed annual : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1926)

Stumpp & Walter Co.'s seed annual, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1927)

Stumpp & Walter Co.'s seed annual : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1928)

Stumpp & Walter Co.'s seed annual, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1929)

Stumpp & Walter Co.'s seed annual : 25th anniversary, 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1923)

Sturdy seeds for garden, lawn and farm. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1918)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1973)

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, 1984)

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

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2001)

su lian de cao dian zhi bei 苏联的草甸植被 - Shennikov, A. P. (Aleksandr Petrovich) 1888 -1962 (ke xue chu ban she she 科学出版社, 1959)

su lian de cao yuan 苏联的草原 - Lavrenko, E. M. (Evgeniĭ Mikhaĭlovich) 1900 -1987 (ke xue chu ban she she 科学出版社, 1959)

Sub-alpine plants : or, flowers of the Swiss woods and meadows - Thompson, Harold Stuart, 1870 -1940 (G. Routledge & Sons, 1912)

Sub-alpine plants : or, Flowers of the Swiss woods and meadows - Thompson, Harold Stuart, 1870 -1940 (Routledge, 1912)

Successions of vegetation in Boulder Park, Colorado - Robbins, Wilfred William, 1884 -1952 (1918)

Süd- und Mittelamerika - Sievers, Wilhelm, 1860 -1921 (Bibliographisches Institut, 1914)

Suhr's Flower Farms, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Suhr's Flower Farms, 1935)

Suhr's Flower Farms, growers of Portland roses, wholesale and retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Suhr's Flower Farms, 1941)

Suhr's Flower Farms, growers of Portland roses, wholesale and retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Suhr's Flower Farms, 1942)

Suhr's Flower Farms, growers of Portland roses, wholesale and retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Suhr's Flower Farms, 1939)

Suhr's Flower Farms, growers of Portland roses, wholesale and retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Suhr's Flower Farms, 1940)

Suhr's Flower Farms, growers of Portland roses, wholesale and retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Suhr's Flower Farms, 1938)

Sulla flora della provincia Senese e Maremma toscana - Tassi, Attilio, 1820 -1905 (Tip. nel R. Instit. dei Sordo-Muti di L. Lazzeri, 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)

A summary of research at the Manitou Experimental Forest in Colorado, 1937-1983 - Gary, Howard L. (1985)

Sunnyside spring catalogue of roses, greenhouse and bedding plants, seeds, etc. for 1885 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph T. Phillips, 1885)

Sunnyside spring catalogue of roses, greenhouse and bedding plants, seeds, etc. for 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph T. Phillips, 1882)

Sunset Seed & Plant Co. (Sherwood Hall Nursery Co.) : [catalog] - Sunset Seed; Plant Co. (Sunset Seed and Plant Co, 1895)

Sunset Seed and Plant Co. : 1896 - Sunset Seed; Plant Co. (Sunset Seed and Plant Co, 1896)

[Sunset Seed and Plant Co. materials] - Sunset Seed; Plant Co. (1893)

Supplément à la flore du Jura suisse et français - Godet, Ch.-H. (Charles Henri), 1797 -1879 (Ch.-H. Godet, 1869)

A supplement to Baines' Flora of Yorkshire, with a map : part first, the flowering plants and ferns by John Gilbert Baker : part second, the mosses of the county by John Nowell - Baker, John Gilbert, 1834 -1920 (William Pamplin, 1854)

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 Sylloges florae Europaeae - Nyman, Carl Fredrik, 1820 -1893 (Sumptu et typis N.M. Lindh, 1865)

Survey and analysis of plant community types of Writing-on-Stone Provincial Park : final report - Alberta. Alberta Sustainable Resource Development. (The Company, 2004)

Survey for Botrychium paradoxum in the vicinity of Storm Lake, Deerlodge National Forest - U.S. Fish; Wildlife Service (Montana Natural Heritage Program, 1993)

Survey for sensitive plant species on Doherty Mountain, Jefferson County - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1994)

Survey for sensitive plant species on Dutchman Mountain, Beaverhead County - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

A survey of extent and cost of weed control and specific weed problems - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1965)

Survey of native grassland butterflies in the Peace parkland region of northwestern Alberta - 2001 - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Wildlife Conservation and Biodiversity Section, 2002)

A survey of short-horned lizard (Phrynosoma hernandesi hernandesi) populations in Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Resource Status and Assessment Branch, 2002)

The survey of western Palestine. The fauna and flora of Palestine - Tristram, H. B. (Henry Baker), 1822 -1906 (The Committee of the Palestine Exploration Fund, 1884)

Surveys of forest reserves - Geological Survey (U.S.) (1897)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1907)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1908)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1910)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1918)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1921)

Svensk fanerogamflora - Lindman, C. A. M. (Carl Axel Magnus), 1856 -1928 (P.A. Norstedt, 1918)

Svensk flora. Beskrifning öfver Sveriges fanerogamer och ormbunkar - Kindberg, N. C. (Nils Conrad), 1832 -1910 (P.M. Sahlströms bokhandel (H.W. Tullberg), 1877)

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)