Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1977)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1981)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1994)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2000)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2002)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2004)

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

ri ben zhi wu ming hui - Honda, Masaji 本田正次 1897 -1984 (san sheng tang)

Rock garden alpines, and other Colorado native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1933)

Rock River area assessment - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 1996)

Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (H. W. Wilson, 1920)

Rocky mountain flowers; an illustrated guide for plantlovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (the H.W. Wilson company, 1914)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1941)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1937)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1938)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1936)

Rocky Mountain rarities from Colorado : plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1945)

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)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1921)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1940)

Rubber and resin content of native and introduced plants of Canada - Minshall, William Harold, 1911 - (Canada Dept. of Agriculture, 1900)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1870)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1873)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1880)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1884)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1897)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1908)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1929)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1940)

Samen-Tauschliste - Schwabe, Willmar. (Arzneipflanzen-Lehr- und Versuchsgarten des wissenschaftlichen Laboratoriums Dr. Willmar Schwabe, 1937)

Samen-Tauschverzeichnis des Botanschen Gartens der Universität Graz - Universität Graz. Botanischer Garten. (Verlag des Instituts für systematische Botanik der Universität Graz, 1937)

Samen-Verzeichnis des botanischen Gartens Darmstadt - Botanischer Garten Darmstadt. (1927)

Samen-Verzeichnis des Botanischen Gartens der Stadt Köln am Rhein - Flora und Botanischer Garten Köln. ([Flora und Botanischer Garten Köln], 1939)

Samuel Barnum Mead and John Torrey correspondence, 1841-1847 - Mead, Samuel Barnum, 1798 -1880 (1841)

Schell's quality seeds : 1942 market gardener's catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell, Inc, 1942)

Schell's quality seeds : 1943 market gardener's catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell, Inc, 1943)

Schell's quality seeds : 1944 market gardener's catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell, Inc, 1944)

Schell's quality seeds : 1945 market gardener's catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell, Inc, 1945)

Schell's quality seeds, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell, Inc, 1949)

Schell's quality seeds : market gardener's catalog, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell, Inc, 1946)

Schlesiens Pflanzenwelt. Eine pflanzengeographische Schilderung der Provinz - Pax, Ferdinand, 1858 -1942 (G. Fischer, 1915)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1886)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1904)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1886)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1887)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1888)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1890)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1891)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1892)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1894)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1900)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1905)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1907)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1909)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1897)

Science - American Association for the Advancement of Science. ([s.n.], 1885)

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

Science - American Association for the Advancement of Science. ([s.n.], 1897)

Science - American Association for the Advancement of Science. ([s.n.], 1901)

Science - American Association for the Advancement of Science. ([s.n.], 1908)

Science - American Association for the Advancement of Science. ([s.n.], 1909)

Scientific papers of Asa Gray - Gray, Asa, 1810 -1888 (Houghton, Mifflin, 1889)

Scientific papers of Asa Gray - Gray, Asa, 1810 -1888 (Houghton, 1889)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1909)

A second Ohio weed manual : general weed questions : revised descriptive illustrated list of Ohio weeds - Selby, A. D. (Augustine Dawson), 1859 -1924 (Ohio Agricultural Experiment Station, 1906)

Seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. S.B. Walker, 1905)

Seed dispersal - Beal, W. J. (William James), 1833 -1924 (Ginn & Company Publishers, 1904)

Seed dispersal - Beal, W. J. (William James), 1833 -1924 (Ginn & Company, 1898)

Seed list : a list of forage plant seeds and the incidental seeds commonly found with them - Hillman, F. H. (Division of Seed Investigations, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1935)

Seed list : a list of forage plant seeds and the incidental seeds commonly found with them - United States. Division of Seed Investigations. (Division of Seed Investigations, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1935)

Seed trade buyer's guide & directory, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Seed World, 1933)

Seed trade buyers guide, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1943)

Seed trade buyers guide, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1944)

Seedlings and transplants : hardy trees and plants for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1931)

Seeds for nurserymen : Fall 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers Seedsmen, Inc, 1959)

Seeds handbook for agriculture, horticulture and forestry, with a key for the identification of the important agricultural seeds = Handbuch der Samenkunde für Landwirtschaft, Gartenbau und Forstwirtschaft, mit einem Schlussel zur Bestimmung der wichtigsten landwirtschaftlichen Samen - Stahlin, Adolf. ([publisher not identified], 1980)

Seeds of native plants : crop of 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Perennial Gardens, 1952)

Seeds of native plants : crop of 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Perennial Gardens, 1953)

Seeds of native plants : crop of 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Perennial Gardens, 1954)

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)

Seeds of rare plants : offer no. 27B - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1937)

Seeds of rare plants : offer no. 27C - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1937)

Selected western flora : Manitoba, Saskatchewan, Alberta - Hales, B. J. (Benjamin Jones), 1868 -1945 (Macmillan Company of Canada, 1919)

Selected western flora, Manitoba, Saskatchewan, Alberta - Hales, B. J. (Benjamin Jones), 1868 -1945 (the Macmillan Co. of Canada, 1915)

Sempervirens : the quarterly of the Virginia Native Plant Society - Virginia Native Plant Society. (The Society, 2021)

A short guide to the best varieties of trees, shrubs, evergreens, perennials, etc., in small sizes as well as large, together with retail and special quantity prices for the spring of 1942 : catalog 130 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1942)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 1987)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 1989)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2002)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2004)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2006)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2009)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1977)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1979)

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

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

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2006)

[Siebrecht & Wadley materials] - Siebrecht & Wadley. (1886)

Skrifter udgivne af Videnskabsselskabet i Christiania. I, Mathematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1903)

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

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1886)

Societatum litterae (R. Friedländer, 1893)

Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions - Hilgard, Eugene W. (Eugene Woldemar), 1833 -1916 (The Macmillan Company, 1906)

Some common Ontario weeds - Ontario Agricultural College. (Ontario Agricultural College, 1906)

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)

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)

Special sale of native plants until March 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchidwood Gardens, 1939)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1982)

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, 1804)

Spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling, Inc, 1943)

Spring 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsmen, Inc, 1944)

Spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsmen, Inc, 1945)

Spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsmen, Inc, 1946)

Spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsmen, Inc, 1947)

Spring 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Max Schling Seedsmen, Inc, 1948)

A spring flora for high schools - Cowles, Henry Chandler, 1869 -1939 (American Book Company, 1915)