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, 1894)

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, 1910)

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, 1919)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1918)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe Abt. 1 Mineralogie, Botanik, Zoologie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei C. Gerold's Sohn, 1874)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof-und Staatsdruckerei in Commission bei Karl Gerold's Sohn, 1854)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe Abt. 1 Mineralogie, Botanik, Zoologie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei C. Gerold's Sohn, 1875)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse Abt. 3 Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1919)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse Abt. 3 Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1921)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe Abt. 1 Mineralogie, Botanik, Zoologie, Anatomie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei Carl Gerold's Sohn, 1868)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe Abt. 1 Mineralogie, Botanik, Zoologie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei C. Gerold's Sohn, 1882)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1908)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1903)

Sitzungsberichte und Abhandlungen - "Flora", Sächsische Gesellschaft für Botanik und Gartenbau, Dresden - "Flora", Sächsische Gesellschaft für Botanik und Gartenbau, Dresden. ("Flora", 1902)

Sixteenth annual list of Banning's dependable seeds, plants, nursery stock, onion sets, fertilizer, spray materials and garden tools, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Banning's Seed & Nursery House, 1936)

Sixth annual descriptive catalogue of greenhouse and bedding plants, fruit and ornamental trees, evergreens, flowering shrubs, hardy herbaceous flowering plants, grape vines small fruit, &c. : also vegetable and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunnyside Nurseries, 1871)

Sizes and prices of foliage, decorative, Xmas and Easter flowering plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Anton Schultheis, 1920)

Sketch of the forestry of West Africa with particular reference to its present principal commercial products - Shelley, G. E. (George Ernest), 1840 -1910 (S. Low, Marston, Searle, & Rivington, 1887)

Skrifter som udi det Kongelige Videnskabers Selskab - Kongelige Videnskabers Selskab. (1779)

Slate's 1929 guide to gardening, 63rd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Slate Seed Company, 1929)

Slate's guide to gardening : 1928, 62nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Slate Seed Company, 1928)

Slovar rodovykh imen rasti͡eniĭ : s perevodom na rossiĭskiĭ i͡azyk, oznacheniem ikh proiskhozhdenii͡a, klassa, k koemu kazhdyĭ rod prinadlezhit i chisla izvi͡estnykh porod kazhdago rasti͡enii͡a, po pokazanii͡am Persona i Shteĭdeli͡a - Martynov, Ivan Ivanovich, 1771 -1833 (V tip. Departamenta narodnago prosvi͡eshchenii͡a, 1826)

The small place; its landscape architecture - Rehmann, Elsa. (G. P. Putnam's sons, 1918)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1974)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1986)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1993)

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

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1956)

Smithsonian scientific series - Smithsonian Institution (Smithsonian Institution Series, Inc, 1931)

Some additional observations on the method of preserving seeds from foreign parts : for the benefit of our American colonies : with an account of the garden at St. Vincent, under the care of Dr. George Young - Ellis, John, 1710? -1776 (Printed for W. Bowyer and J. Nichols, at Cicero's-Head, in Red-Lion-Passage, Fleet-Street, 1773)

Some American medical botanists commemorated in our botanical nomenclature - Kelly, Howard A. (Howard Atwood), 1858 -1943 (The Southworth company, 1914)

Some American medical botanists commemorated in our botanical nomenclature - Kelly, Howard A. (Howard Atwood), 1858 -1943 (Southworth, 1914)

Some American medical botanists commemorated in our botanical nomenclature. Delivered as a lecture before the Medical Historical Society of Chicago, 1910, and before the University of Nebraska, October 16, 1913 - Kelly, Howard A. (Howard Atwood), 1858 -1943 (Southworth, 1914)

Some new and important plant disease occurrences and developments in the United States in 1957 - Nance, Nellie W. (Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1958)

Some ornamental shrubs for the Tropics - Hume, Edward Putnam, 1911 - (U.S. Govt. Print. Off.], 1951)

Somerset's 1937 wholesale plant and seed catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Somerset Rose Nursery, 1937)

Sonderegger 1924 fall catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sonderegger Nurseries and Seed House, 1924)

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

Sound seed for the South : spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.L. Willet Seed Co, 1925)

Sound seeds for the South : fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.L. Willet Seed Co, 1924)

Sound seeds for the south : spring 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.L. Willet Seed Co, 1921)

Sound seeds for the south : spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.L. Willet Seed Co, 1922)

Sound seeds for the south : spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.L. Willet Seed Co, 1923)

South African flowering plants : for the use of beginners, students and teachers - Henslow, George, 1835 -1925 (Longmans, Green, and Co, 1903)

South African flowering plants; for the use of beginners, students and teachers - Henslow, George, 1835 -1925 (Longmans, Green, 1914)

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, 1911)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1920)

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

South Carolina botanists: biography and bibliography - Gee, Wilson, 1888 -1961 (The University, 1918)

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

South Michigan Nursery : spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (South Michigan Nursery, 1933)

The south's best seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1941)

The south's best seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1942)

The south's best seeds : spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1943)

The south's best seeds : spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1945)

The south's best seeds : spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1953)

The south's best seeds : spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1954)

The south's best seeds : spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1946)

The south's best seeds : spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1950)

The south's best seeds : spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1952)

The south's best seeds : Steckler Seed Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Steckler, 1940)

South's oldest seed house - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Otto Schwill & Co, 1929)

South's oldest seed house - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Otto Schwill & Co, 1931)

Southern Africa. A geography and natural history of the country, colonies, and inhabitants from the Cape of Good Hope to Angola, together with notices of their origins, manners, habits, customs, traditions, superstitions, religious usages, languages, past and present conditions, manufactures, wepons, etc. ... - Fleming, Francis Patrick. (Arthur Hall, Virtue, and Co, 1856)

Southern cultivator ([J.W. & W.S. Jones], 1856)

Southern cultivator ([J.W. & W.S. Jones], 1857)

Southern cultivator ([J.W. & W.S. Jones], 1859)

Southern farmers' guide : for spring 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. B. McVay, Jr, 1920)

Southern Nursery Co., growers and importers of high grade nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern Nursery Co, 1924)

Southern Nursery Co., growers and importers of high grade nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern Nursery Co, 1919)

Southern Nursery Company [catalog] : growers and importers of high grade nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern Nursery Company, 1922)

Southern Nursery Company, growers and importers of high grade nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern Nursery Co., Incorporated, 1919)

[Southern Nursery Company materials] - Southern Nursery Company. (1918)

[Southern Nursery Company materials] - Southern Nursery Company. (1921)

The Southern planter (Southern Planter Pub. Co, 1900)

Southern plants for Southern planters - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomasville Nurseries, 1922)

Southwestern horticulture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Co, 1932)

Southwestern horticulture : 60th Anniversary edition - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Co, 1959)

Southwestern horticulture : descriptive price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Co, 1932)

Southwestern horticulture : descriptive price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Company, 1936)

Southwestern horticulture : retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Company, 1944)

Southwestern horticulture : retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Company, 1938)

Southwestern horticulture. the tree planter's manual and catalog No. 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Company, 1916)

Sow Salzer's seeds : 1868-1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John A. Salzer Seed Co, 1924)

Sow Salzer's seeds : 1868-1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John A. Salzer Seed Co, 1925)

Sow Salzer's seeds : 58 years of faithful service, 1868-1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John A. Salzer Seed Co, 1926)

Späth-Buch, 1720-1920 : Geschichte und Erzeugnisse der Späth'schen Baumschule - L. Späth (Firm) (L. Späth, 1920)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1901)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1902)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1903)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1904)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1905)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1906)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1907)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1908)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1910)

[Special and import prices for Fall of 1906] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1906)

Special and import prices for Fall of 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1907)

Special and import prices for Fall of 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1908)

Special and import prices for Fall of 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1909)

Special and import prices for Fall of 1909 : [flowers by the ten thousand] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1909)

Special and import prices for Spring of 1904 : [best in the world] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1904)

Special and import prices for Spring of 1905 : [best in the world] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1905)

Special and import prices for Spring of 1908 : [best in the world] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1908)

Special and import prices for the Fall of 1904 : [from now until July 1st, not later] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Company, 1904)

[Special and import prices for the Fall of 1905 : from now until July 1st, not later] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (B.A. Elliott Co, 1905)

Special and import prices on hyacinths, tulips, narcissi, lilies, rhododendrons, hardy shrubs, hardy plants, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Wilkinson Elliott, 1892)

Special bargains in roses, perennials, shrubs, evergreens, and tender plants [bulletin and price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wagner Park Conservatories, 1930)

Special bulletin, Jan. 16, 1922 : wholesale trade list spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nursery Gardens, 1922)

Special bulletin, No. 1 : fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Onarga Nursery Co, 1935)

Special catalogue of choice and rare plants, trees and shrubs : bulbs and seeds for 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.A. Miller, 1900)

Special fall bargains prepaid : trees and plants that grow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spring Hill Nurseries, 1933)

Special fall price list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Boyd Nursery Company, 1931)

Special import list of bulbs Fall 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros. Co, 1906)

Special new 1931 catalog : prices slashed on high grade nursery stock : fruit trees, evergreens, shade and ornamental trees, shrubs, vines, berries, etc. at the lowest prices in years - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Celery City Nurseries, 1931)

Special offer for Fall 1920 delivery F. O. B. Holland Warehouse - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (K. Van Bourgondien & Sons, 1920)

Special offer of Palisades popular perennials : shrubs, evergreens and hardy perennial seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1920)

Special offers [of varieties of roses] for spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New Brunswick Nurseries, 1922)

Special ornamental and fruit list : fall 1933, spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Co, 1933)

Special ornamental and fruit list : fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Co, 1934)

Special price-list accompanying the fourth edition of "more specialties" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Warner Harper, 1916)

Special priced high quality nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (City Nurseries, 1933)

Special selection of trees and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1920)

Special spring edition of Dreer's wholesale price list : March - June 1929 - Henry A. Dreer (Firm) (Henry A. Dreer, 1929)

Special spring price list of Hillenmeyer Nurseries, Lexington, Kentucky, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillenmeyer Nurseries, 1931)

Special to catalogue trade : new carnation "Alba Superba" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Burton, 1898)

Special trade bulletin and price list, spring 1932 : pot plants, cuttings, hardy perennials, bulbs, insecticides, fertilizers, florist supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. E. Moles, Inc, 1932)

Special trade list of surplus stock for fall delivery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs & Harrison Co, 1902)

Special wholesale catalogue of decorative plants for fall and winter use : also hardy perennials for September and October planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nurseries, 1893)

Special wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Anton Schultheis, 1924)

Special wholesale list ... special low prices on roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Vermay Nursery Company, 1937)

Special wholesale ornamental and fruit list, fall 1932-spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Co, 1932)

Special wholesale ornamental list : fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Co, 1931)

Special wholesale price list : spring 1928 [bulletin] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Nursery & Orchard Co, 1928)

Special wholesale price list : spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Nursery & Orchard Co, 1936)

Special wholesale price list : spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Nursery & Orchard Co, 1937)

Specialists in garden seeds, flower seeds, hardy bulbs, ornamentals, small fruits grown near the shores of Lake Erie - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ransom Seed and Nursery Company, 1926)

Specialties for autumn planting : with a summary of the most valuable varieties of evergreens, roses, hardy plants, bulbs and pot-grown strawberries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1907)

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, 1797)