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)

Status of the Small-flowered Sand Verbena (Tripterocalyx micranthus) in Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, 2003)

Status review and taxonomic studies of Astragalus molybdenus, U.S.D.A. Forest Service, Region 1, Lewis and Clark National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Status review of Cirsium longistylum, U.S.D.A. Forest Service, Region 1 Lewis and Clark National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Status review of Lesquerella carinata and Lesquerella paysonii, U.S.D.A. Forest Service, Region 1, Deerlodge National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Steele's Pomona Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pomona Nurseries, 1916)

Steele's Pomona Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([T.E. Steele, 1914)

Stettiner Entomologische Zeitung - Entomologischer Verein in Stettin. (Kommissionsverlag von Friedländer & Sohn, 1917)

Stettiner Entomologische Zeitung - Entomologischer Verein in Stettin. (Kommissionsverlag von Friedländer & Sohn, 1919)

Stockholmstraktens växter : förteckning över fanerogamer och kärlkryptogamer med fyndorter och frekvensuppgifter - Andersson, Gunnar, 1865 -1928 (P. A. Norstedt, 1914)

Stout manual training school; a handbook for planning and planting small home grounds ... with a list of native and commonly cultivated plants that are represented in the collection upon the Stout manual training school grounds - Manning, Warren H. (Warren Henry), 1860 -1938 (Stout manual training school, 1899)

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

Stray leaves from a border garden - Milne-Home, Mary Pamela Ellis. (John Lane, 1901)

The Strecker farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Strecker's, 1933)

Strolls by starlight and sunshine - Gibson, W. Hamilton (William Hamilton), 1850 -1896 (Harper & brothers, 1890)

Strolls by starlight and sunshine - Gibson, W. Hamilton (William Hamilton), 1850 -1896 (Harper & Brothers, 1891)

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)

A student's text-book of botany - Vines, Sydney Howard, 1849 -1934 (Swan Sonnenschein, 1895)

A student's text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein & co, 1896)

A students' text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein, 1895)

Studier öfver några svenska växters gronigstid och förstärkningsstadium - Cleve-Euler, Astrid, 1875 - (Wretmans tryckeri, 1898)

Studies in gardening - Clutton-Brock, A. (Arthur), 1868 -1924 (C. Scribner's sons, 1916)

Studies of plant life; a series of exercises for the study of plants - Pepoon, Herman Silas, 1860 - (D.C. Heath & Co, 1900)

Studies of plant life in Canada; or, Gleanings from forest, lake and plain - Traill, Catherine Parr Strickland, 1802 -1899 (A.S. Woodburn, 1885)

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

Studies of the Essex flora: an enumeration of all plants found growing naturally within the limits of Lynn, Mass - Tracy, Cyrus M. (Cyrus Mason), 1824 -1891 (The Nichols press, 1892)

A study of the physiographic ecology of Mount Ktaadn, Maine - Harvey, Le Roy Harris. (1903)

A study of the vegetation of southeastern Washington and adjacent Idaho - Weaver, John E. (John Ernest),‏ ‎ 1884 -1966 (1917)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1983)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1994)

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)

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

A summary of comital plant-distribution, additional to that detailed in topographical botany; being an enumeration of the new county records, published by the Botanical Record Club, 1873-1878. To which are added those appearing in the Botanical Exchange Club Reports, 1867-1877 - Lees, Frederic Arnold, 1847 -1921 (Printed by West, Newman, 1878)

Summer and fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1934)

Summer flowers of the high Alps - Hastings, Somerville. (Dent, 1910)

A summer in Greenland - Seward, A. C. Sir, (Albert Charles), 1863 -1941 (University Press, 1922)

A summer in Greenland - Seward, A. C. (Albert Charles), 1863 -1941 (At the University press, 1922)

Supplément à la flore de la Mayenne [1 and 2] - Léveillé, H. (Hector), 1863 -1918 (Ed. Monnoyer, 1897)

1937 supplement to the rock garden catalog of the Mitchell Nurseries, Barre, Vermont - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, 1937)

Supplementary list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1940)

Supplementary list of native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1931)

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

A survey and record of Woolwich and West Kent containing descriptions and records, brought up-to-date, of geology, botany, zoology, archaeology and industries of the district, with a brief photographic commentary, in commemoration of the 12th Annual Congress, 1907, of the South Eastern Union of Scientific Societies - Grinling, C. H. (Labour Representation Print. Co, 1909)

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 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)

Survey for Quercus macrocarpa in the Powder River Resource Area, Miles City District, Bureau of Land Management, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1993)

Survey of rare vascular plants in Fidler-Greywillow Wildland Provincial Park - Alberta. Parks; Protected Areas Division. (Alberta Community Development, Parks and Protected Areas, 2005)

Survey of rare vascular plants in La Butte Creek wildland provincial park - Alberta. Parks; Protected Areas Division. (Alberta Community Development, Parks and Protected Areas, 2005)

Svea Folk-Kalender (1846)

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.], 1909)

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

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1911)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1912)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1913)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1914)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1915)

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

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

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

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1919)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1920)

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)

Svenska Linnésällskapets årsskrift = Yearbook of the Swedish Linnaeus Society - Svenska Linnésällskapet. (Almqvist & Wiksells, 1921)

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)

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, 1995)

Synopsis der Lepidopteren-Fauna Böhmens. 1. Abth.: Papilioniden, S]hingiden, Bombyciden, Noctuiden - Nickerl, Franz Anton, 1813 -1871 (F. Erhlich, 1850)

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

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

Synoptical flora of North America - Gray, Asa, 1810 -1888 (American Book Company, 1878)

Synoptical flora of North America: the Gamopetalæ, being a second edition of vol. I, part II, and vol. II, part I, collected - Gray, Asa, 1810 -1888 (Iverson, Blakeman, Taylor, and Company, 1886)

Synoptical flora of North America : the Gamopetalae, a second edition of vol. I, pt. II, and vol. II, pt. I - Gray, Asa, 1810 -1888 (Smithsonian Institution, 1888)

Systema characterum plantarum; seu, Dictionarium rerum botanicum, filio conscriptum, et ab ipso figuris illustratum - Pereboom, Cornelius. (1788)

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)