Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1878)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1855)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1856)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1854)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1914)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1981)

Retail catalogue for 1902, California bulbs, seeds and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.G. Watkins, 1902)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1914)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1916)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1919)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1920)

A review of the genera of ferns proposed prior to 1832 (Torrey Botanical Club, 1899)

A revised catalogue of the indigenous flowering plants and ferns of Ceylon - Willis, J. C. (John Christopher), 1868 -1958 (H.C. Cottle, Govt. Printer, 1911)

Revised checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1997)

Revised list of the Ferns of Natal - Buchanan, John, 1855 -1896 (1875)

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1891)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 1990)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1867)

Revista del Jardín Botánico y Museo de Historia Natural del Paraguay - Jardín Botánico (Asunción, Paraguay) (Jardín Botánico y Museo de Historia Natural del Paraguay, 1922)

Revista del Museo de La Plata - Universidad Nacional de La Plata. (Talleres del Museo de La Plata, 1908)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1886)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1887)

Revue générale de botanique (Libraire générale de l'enseignement, 1889)

Revue générale de botanique (Libraire générale de l'enseignement, 1899)

Revue générale des sciences pures et appliquées ([s.n.], 1905)

Revue horticole (Librairie agricole de la maison rustique, 1862)

Revue horticole (Librairie agricole de la maison rustique, 1829)

Revue horticole (Librairie agricole de la maison rustique, 1902)

Revue horticole (Librairie agricole de la maison rustique, 1915)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1901)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1908)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1924)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1933)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1934)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1938)

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.], 1944)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1948)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1949)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1954)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1955)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1960)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1961)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1962)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1970)

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.], 1980)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1982)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1989)

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

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

Riviera nature notes / a popular account of the more striking plants and animals of the Riviera and the Maritime Alps - Comerford Casey, G. E. (George Edward), 1846 -1912 (Bernard Quaritch, 1903)

Rock garden perennials, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1941)

Rock garden perennials, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1942)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1938)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker Gardens, 1936)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1937)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1934)

Rock plants and iris : 1931 descriptive list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1931)

Rock plants and iris : 1932 descriptive list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1932)

Rock plants and iris, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1933)

Rock plants and iris, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1939)

Rock plants and iris, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1940)

Rock plants and iris, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1941)

Rock plants and iris, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1942)

Rock plants, dwarf shrubs and iris, 1944-45 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1944)

Rock plants, dwarf shrubs and iris, 1946-47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1946)

Rock plants, dwarf shrubs and iris, 1947-48 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1947)

Rock plants, dwarf shrubs and iris, 1949-50 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1949)

Rock plants, dwarf shrubs and iris, 1950-51 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1950)

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)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1937)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1942)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1979)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1982)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2005)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1850)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2013)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1980)

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)

The Sarawak Museum journal - Sarawak Museum. (Sarawak Museum, 1917)

Saxton & Wilson, 1947 : growers of distinctive hardy plants, successors to Wm. Borsch and Son - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1947)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1902)

Science - American Association for the Advancement of Science. ([s.n.], 1883)

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

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

Science - American Association for the Advancement of Science. ([s.n.], 1900)

Science - American Association for the Advancement of Science. ([s.n.], 1903)

Gli scienziati italiani dall' inizio del medio evo al nostri giorni; repertorio biobibliografico dei filosofi, matematici, astronomi, fisici, chimici, naturalisti, biologi, medici, geografi italiani - Mieli, Aldo, 1879 -1950 (A. Nardecchia, 1921)

Season 1907 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leedham Bulb Co, 1907)

A second century of ferns : being figures with brief descriptions of one hundred new, or rare, or imperfectly known species of ferns from various parts of the world - Hooker, William Jackson, Sir, 1785 -1865 (Dulau, 1864)