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

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

Some new and important plant disease occurrences and developments in the United States in 1955 - United States. Plant Disease Epidemics; Identification Section. (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1956)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2005)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2006)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2008)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2014)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2015)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2016)

The Sonoran Quarterly - Desert Botanical Garden (Ariz.) (Desert Botanical Garden, 2018)

Soule's Gladiolus Garden, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Soule's Gladiolus Garden, 1933)

South African botany - Storey, Francis W. (Longmans, Green, 1922)

South African journal of natural history - South African Biological Society. (South African Biological Society, 1918)

South African journal of natural history - South African Biological Society. (South African Biological Society, 1920)

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

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1915)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1916)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1918)

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)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1922)

South African quarterly journal - South African Literary; Scientific Institution (1830)

Sow Salzer's seeds : 81 years of faithful service, 1868-1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John A. Salzer Seed Co, 1949)

Sow Salzer's seeds : 82 years of faithful service, 1868-1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John A. Salzer Seed Co, 1950)

Sow Salzer's seeds : 83 years of faithful service, 1868-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John A. Salzer Seed Co, 1951)

Species des hyménoptères d'Europe & d'Algérie - André, Ernest, 1838 -1914 (1886)

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, 1799)

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 - Linné, Carl von, 1707 -1778 (Typis Joannis Thomae de Trattner, 1764)

Spicilegia entomologica genavensia - Saussure, Henri de 1829 -1905 (Imprimerie Charles Schuchardt, 1887)

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)

Spring 1948 price list : illustrated supplement - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gates Famous Cactus Gardens, Howard E. Gates, 1948)

Spring price list 1950 : retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard E. Gates, 1950)

Spring price list 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gates Cactus Inc, 1956)

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

St. Helena: the historic island from its discovery to the present date - Jackson, E. L. (Emily L.) (New York and Melbourne, Ward, Lock & co., limited, 1903)

St. Helena: the historic island from its discovery to the present date - Jackson, E. L. (Emily L.) (Ward, Lock, 1903)

St. Helena: the historic island from its discovery to the present date - Jackson, E. L. (Emily L.) (Ward Lock & Co., ltd, 1903)

Stahl's grosses illustriertes Kräuterbuch; ausführliche Beschreibung aller auf den Bergen und in den Thälern, auf den Wiesen und in den Wäldern wild wachsenden Pflanzen und Kräuter ... (Stahl, 1900)

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)

Stirpium aduersaria noua, : perfacilis vestigatio luculentaqne [sic] accessio ad priscorum, presertim dioscoridis & recentiorum, materiam medica. Quibus propediem accedet altera pars. Qua coniectaneorum de plantis appendix, de succis medicatis et metallicis sectio, antiquae et nouatae medicine lectiorum remedioru[m] thesaurus opulentissimus, de succedaneis libellus continentur - L'Obel, Matthias de, 1538 -1616 (Calendis ianuarijs, excudebat plenum Thomae Purfoetij, ad Lucreti[a]e symbolum, 1571)

Storia delle piante forastiere le più importanti nell'uso medico, od economico - Castiglioni, Luigi, 1757 -1832 (Nella stamperia di Giuseppe Marelli, 1791)

Storia delle piante forestiere le più importanti nell'uso medico, od economico - Castiglioni, Luigi, 1757 -1832 (Nella Stamperia di Giuseppe Marelli, 1791)