Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1903)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1904)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1905)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1909)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1913)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1917)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1921)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1926)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1927)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1930)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1937)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1939)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1940)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1946)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1947)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1953)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1952)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1959)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1966)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1971)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1972)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1976)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1978)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1985)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1990)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1996)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1997)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2001)

Rhynchophora or weevils of north eastern America - Blatchley, W. S. (Willis Stanley), 1859 -1940 (The Nature Publishing Company, 1916)

Richardiana (Tropicalia, 2013)

Richardiana (Tropicalia, 2015)

Rivista di biologia (Università di Perugia, etc, 1919)

Rocky Mountain wild flower studies; an account of the ways of some plants that live in the Rocky Mountain region - Longyear, Burton Orange, 1868 - (Merchants Publishing Co, 1909)

Rocky Mountain wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.A. Camp, 1932)

Rocky Mountain wild flowers [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.A. Camp, 1931)

The Romance of wild flowers : a companion to the British flora - Step, Edward, 1855 -1931 (Warne, 1899)

The Royal Botanic Garden Edinburgh 1670-1970 - Fletcher, Harold R. (Her Majesty's Stationery Office, 1970)

Rozpravy české akademie císaře Františka Josefa pro vědy, slovesnost a umění. Třída II, Mathematicko-přírodnicka - Česka akademie Císaře Františka Josefa pro vědy slovenost a umění. Třida II: Mathematicko-přírodnická. (1891)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 1999)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2008)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2014)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2016)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2022)

Saggio di algologia oceanica - Mazza, Angelo. (Tipografia del Seminario, 1905)

Saggio di algologia oceanica - Mazza, Angelo. (Tipografia del seminario, 1905)

Salzburgische Flora : oder Beschreilbung der in dem erzstifte Salzburg wildwachsenden Pflanzen, nebst Angabe ihrer Wohnorte, Blühezeiten, Dauer, Gestalt &c. iher Anwendbarkeit in der Heilkunde und Haushaltungswissenschaft, und ihrem Nutzen für Mahler, Färber, Gärber, Bienenzieher, Förster und Landwirthe - Braune, Franz Anton Alexander von, 1766 -1853 (Im Verlage der Mayr'schen Buchhandlung, 1797)

Sammlung physikalischer Aufsätze : Besonders die Böhmische Naturgeschichte betreffend - Schmidt, Franz Wilibald, 1764 -1796 (In der Waltherischen hofbuchhandlung, 1791)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation in Erie county, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Clapper, 1899)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation, in Erie County, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Press of Clapper Printing Co, 1899)

Schilderung der deutschen Pflanzenfamilien; vom botanisch-descriptiven und physiologisch-chemischen Standpunkte - Hoffmann, Hermann, 1819 -1891 (Wirth, 1851)

Schilderung der deutschen pflanzenfamilien vom botanisch-descriptiven und physiologischchemischen standpunkte - Hoffmann, Hermann, 1819 -1891 (Georg Friedrich Hener's Verlag, 1846)

Schriften der Königlichen Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Königliche Physikalisch-Ökonomische Gesellschaft zu Königsberg. (In Commission bei Gräfe und Unzer, 1866)

Schule der systematischen Botanik - Hallier, Ernst, 1831 -1904 (W.G. Korn, 1878)

Science - American Association for the Advancement of Science. ([s.n.], 1893)

Science - American Association for the Advancement of Science. ([s.n.], 1898)

Science - American Association for the Advancement of Science. ([s.n.], 1899)

Science - American Association for the Advancement of Science. ([s.n.], 1910)

Science studies, v.1, no. 1-3 - Montana Agricultural Experiment Station. (1905)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1899)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1920)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1881)

A second edition of Webber's "Appendix to the catalogue of the flora of Nebraska" - Bessey, Charles E. (Charles Edwin), 1845 -1915 ([University of Nebraska?, 1892)

Seeds of rare plants. Offer no. 21 C - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1934)

Seeds of rare plants. Offer no. 21 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1934)

Seeds of rare plants. Offer no. 21 B - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1934)

Seeds of rare plants : Offer 23 C - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1935)

Seeds of rare plants : Offer no. 23 B - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1935)

Seeds of rare plants : offer no. 25 B - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1935)

La Semaine horticole et guide des cultures coloniales ([s.n.], 1900)

Sempervirens : the quarterly of the Virginia Native Plant Society - Virginia Native Plant Society. (The Society, 2015)

Sempervirens : the quarterly of the Virginia Native Plant Society - Virginia Native Plant Society. (The Society, 2017)

Sensitive plant surveys, 1989 : U.S. Forest Service, Region 1, Gallatin National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1989)

A short flora of Berwickshire - Braithwaite, Michael E. (M.E. Braithwaite, 2014)

A short guide to Canadian genera of seed plants - Adams, John, 1872 -1950 (Dominion of Canada, Dept. of Agriculture, 1927)

A short guide to Canadian genera of seed plants - Canada. Department of Agriculture. (Dominion of Canada, Dept. of griculture, 1938)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 1986)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1968)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1972)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1988)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1992)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1998)

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

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

Sierra Club bulletin - Sierra Club. (Sierra Club, 1907)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1921)

Skånes flora : innefattande de fanerogama och ormbunkartade växterna - Areschoug, F. W. C. (Fredrik Wilhelm Christian), 1830 -1908 (C.W.K. Gleerup, 1866)

A sketch of the botany of South Carolina and Georgia - Elliott, Stephen, 1771 -1830 (J.R. Schenck, 1821)

A sketch of the botany of South Carolina and Georgia - Elliott, Stephen, 1771 -1830 (J.R. Schenck, 1824)

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

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

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

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

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)

Der Spaltöffnungsapparat im Lichte der Phylogenie. Ein Beitrag zur "phylogenetischen Pflanzenhistologie." - Porsch, Otto, 1875 - (G. Fischer, 1905)

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

Species algarum rite cognitae, cum synonymis, differentiis specificis et descriptionibus succinctis. Vol. 1[-2, sectio 1] - Agardh, C. A. (Carl Adolf), 1785 -1859 (Sumtibus Ernesti Mauritii, 1820)

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 in Norway, and where to find it. Together with a short account of the vegetable productions of the country. To which is added, a list of the Alpine flora of the Dovre fjeld and of the Norwegian ferns, &c - Barnard, Mordaunt. (Chapman and Hall, 1864)

Spring flora of the Wasatch region - Garrett, A. O. (Albert Osbun), 1870 -1948 (Skelton Publishing, 1911)

St. Gallische Flora : für Anfänger und Freunde der Botanik - Wartmann, Jakob, 1803 -1873 (Scheitlin und Zollikofer, 1847)

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)

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

Die Stelär-Theorie - Schoute, J. C. (Johannes Cornelis), 1877 -1942 (G. Fischer, 1903)

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)

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 and systematic botany: being an arrangement of plants, forming a basis for the study of botany, either on the Linnaean or natural systems - Smith, Edward, 1818? -1874 (C. Griffin, 1855)

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)