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

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

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2021)

Some aspects of the biting fly problem in Canadian Sub Arctic Regions - Hocking, Brian, 1914 -1974 (University of Alberta, 1949)

Some Newfoundland wild flowers - Southcott, Mary, 1862 -1943 (Robinson, 1915)

Some statistical features of the flora of Ontario & Quebec and a comparison with those of the United States flora - Drummond, A. T. (Andrew Thomas), 1843 -1923 (s.n, 1868)

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

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

South Cascades late successional reserve assessment - U.S. Fish; Wildlife Service (U.S. Department of Agriculture, Forest Service, 1998)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2001)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2019)

Southern wild flowers and trees, together with shrubs, vines and various forms of growth found through the mountains, the middle district and the low country of the South - Rowan, Ellis, 1848 -1922 (F.A. Stokes Co, 1901)

Souvenirs d'un voyage dans l'Inde exécuté de 1834 à 1839 - Bury, Priscilla Susan, 1799 -1872 (Fortin, Masson et cie [etc.], 1843)

Special 30-day sale of lining-out and other specimen stock : surplus bargains, all nursery grown : November, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1936)

Special 30-day sale of lining-out and other stock ... surplus bargains, all nursery grown : November, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Special advance offers of choice hardy American rhododendrons, azaleas, hollies, kalmias, bulbs, herbaceous plants, etc. : August 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Highlands Nursery, 1894)

Special fall offerings of hardy native deciduous trees, shrubs, rock garden plants, lilies, etc. at very special prices : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1932)

Special list. established orchids, including cypripediums and native hardy orchids. No. 77 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1923)

Special list. established orchids, including cypripediums and native hardy orchids. No. 73 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1922)

Special low wholesale price of hardy American bulbs and plants : many new and rare - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1901)

Special low wholesale prices for July, August and September, of fine hardy American bulbs and plants : many new and rare - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1900)

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

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

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

Special spring prices for the benefit of early spring buyers : spring delivery if desired, prices void after March 1, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1934)

Special thirty day sale of hardy ornamental plants : April 1 to April 30, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

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)

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, 1805)

Sport on the Nilgiris and in Wynaad - Fletcher, F. W. F. (Macmillan, 1911)

Spring and fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lamb Nurseries, 1938)

The spring and summer dispersion of male franklin's grouse in lodgepole fine forest in southwestern Alberta - McLachlin, Roderick Archibald, 1941 - (1970)

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

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)

Stansfield's Catalogue of Hardy Herbaceous and Alpine Plants, Ferns and Lycapods : grown at Vale Gardens, Todmorden - Stansfield, Abraham. (1858)

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 of endangered and threatened sand area species of the Illinois flora - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2011)

Status report on sensitive lady's slipper orchids (Cypripedium calceolus var. parviflorum and Cypripedium passerinum) on the Kootenai National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1996)

Status review of Agoseris lackschewitzii, U.S.D.A., Forest Service, Region 1, Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Status review of Agoseris lackschewitzii, U.S.D.A. Forest Service, Region 1, Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Status review of Aquilegia brevistyla, U.S.D.A. Forest Service, Region 1 ; Lewis & Clark National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1992)

Status review of Aquilegia brevistyla, U.S.D.A. Forest Service, Region 1, Lewis & Clark National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1992)

Status review of Cypripedium passerinum, U.S. Forest Service, Region 1, Flathead and Lewis & Clark National Forests, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

Status review of Epipactis gigantea, U.S.D.A. Forest Service, Region 1, Flathead National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

Status review of Goodyera repens, 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 Orchis rotundifolia, U.S. Forest Service, Region 1, Flathead and Lewis & Clark National Forests, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

Stein's Orchideenbuch. Beschreibung, Abbildung und Kulturanweisung der empfehlenswertesten Arten. Mit 184 in den Text gedruckten Abbildungen - Stein, Berthold. (P. Parey, 1892)

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

The story of plant life in the British Isles; types of the common natural orders - Horwood, A. R. (Arthur Reginald), 1879 -1937 (J. & A. Churchill, 1914)

Straits Settlements and Federated Malay States Agri-Horticultural Show, 1904-1910 ([s.n.], 1904)

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)

Structure des orchidées ; notes d'une étude - Rodrigues, J. Barbosa (João Barbosa), 1842 -1909. (Typographie Nationale, 1883)

The student's flora of the British Islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan and Co, 1870)

The student's flora of the British islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan, 1884)

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)

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

Studies on Rocky Mountain flora - Rydberg, Per Axel, 1860 -1931 (New York Botanical Garden, 1901)

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

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

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1972)

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

Summa Vegetabilium Scandinaviæ systematice coordinatorum - Swartz, Olof, 1760 -1818 (1814)

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 1905 special wholesale list of rare hardy American native bulbs and flower-roots - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1905)

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)

Summer wild flowers - Millspaugh, Charles Frederick, 1854 -1923 (Field Museum of Natural History, 1924)

Superb flowers for your 1940 garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1940)