Reise nach Ostindien und China - Ekeberg, Carl Gustav, 1716 -1784 (verlegts Johann Christian Koppe, 1765)

Reliquiae Formánekianae : enumeratio critica plantarum vascularium, quas itineribus in Haemo Peninsula et Asia Minore (Bithynia) factis collegit Dr. Ed. Formánek - Vandas, Karel, 1861 -1923 (Comitiorum Marchionatus Moraviae, 1909)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX. Varie ab auctore, paullo ante mortem, aucti & emendati - Dodoens, Rembert, 1517 -1585 (Ex officina Plantiniana, 1616)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1842)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1846)

Repertorium florae Ligusticae - De Notaris, Giuseppe, 1805 -1877 (Ex Regio Typographeo, 1844)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1905)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1923)

Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1871)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)

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, 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.], 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.], 1859)

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.], 1860)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1903)

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)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1912)

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

Revision of the flora of the Bombay presidency Parts III-XI Gramineae - Blatter, Ethelbert, 1877 -1934 (s.n.], 1927)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1897)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 1999)

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, 1864)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1888)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1893)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1909)

Revue générale de botanique (Libraire générale de l'enseignement, 1916)

Revue générale des écrits de Linné; ouvrage dans lequel on trouve les anecdotes les plus intéressantes de sa vie privée, un abrégé de ses systêmes et de ses ouvrages, un extrait des ses Aménités académiques ... - Pulteney, Richard, 1730 -1801 (Buisson, 1789)

Revue horticole (Librairie agricole de la maison rustique, 1848)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1902)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1906)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1936)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1941)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1942)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1943)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1944)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1945)

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.], 1949)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1980)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1992)

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

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1896)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1906)

The rock garden - Jenkins, Edmund Howard, 1856 -1921 (Country life, ltd. [etc.], 1920)

Rock gardens: how to make and maintain them - Meredith, Lewis B. (Williams & Norgate, 1910)

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)

Rostlinnictví : cili Návod k snadnému urcení a pojmenování rostlin v Cechách, Morave a jiných zemích Rakouského mocnárství domácích - Sloboda, Daniel. (V kommissí u Fr. Rivnáce, 1852)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2012)

Saier's garden magazine : a manual of rare flowers, their selection and culture vol. 3, no. 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1952)

The Saturday lectures, delivered in the lecture-room of the U. S. National Museum - Biological Society of Washington (Judd & Detweiler, 1882)

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

Schulflora für die sterreichischen Südeten- und Alpenländer (mit Ausschluss des Küstenlandes) - Fritsch, Karl, 1864 -1934 (C. Gerold, 1900)

Science - American Association for the Advancement of Science. ([s.n.], 1902)

Scotia illustrata sive Prodromus historiæ naturalis in quo regionis natura, incolarum ingenia & mores, morbi iisque medendi methodus, & medicina indigena accurratè explicantur ... - Colmarius, Johannes (Edinburgh) (ex officinâ typographicâ Jacobi Kniblo, Josuæ Solingensis & Johannis Colmarii, sumptibus auctoris, 1684)

Semina anni MDCCCXCVI, quae pro mutua commutatione offeruntur (I) - Orto botanico di Palermo. (Libreria internazionale, Alberto Reber], 1897)

Sensitive plant species survey, Ashland District, Custer National Forest, Powder River and Rosebud Counties, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1996)

Sensitive plant species surveys, Butte District, Beaverhead and Madison Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1996)

The sheep : its varieties and management in health and disease - Armatage, George. (Frederick Warne, 1894)

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

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

shuang zi ye zhi wu fen lei - Zhong hua jiao yu wen hua ji jin dong shi hui bian yi wei yuan hui 中华教育文化基金董事会编译委员会 (shang wu yin shu guan fa xing)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1962)

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

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1981)

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1990)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2001)

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

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, 1865)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Philosophisch-Historische Classe - Kaiserl. Akademie Der Wissenschaften In Wien. Philosophisch-Historische Klasse. (K.K. Hof- und Staatsdruckerei, 1866)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Philosophisch-Historische Classe - Kaiserl. Akademie Der Wissenschaften In Wien. Philosophisch-Historische Klasse. (K.K. Hof- und Staatsdruckerei, 1867)

Sitzungsberichte der königl. böhmischen Gesellschaft der Wissenschaften in Prag - Königlich-Böhmische Gesellschaft der Wissenschaften (Königlich-böhmische Gesellschaft der Wissenschaften, 1859)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1977)

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

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

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1852)

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1853)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1878)

Some account of the fauna and flora of Sinai, Petra, and Wâdy 'Arabah - Hart, Henry Chichester, 1847 -1908 (Pub. for the Committee of the Palestine exploration fund by A. P. Watt, 1891)

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

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2017)

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

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

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum diferentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Linné, Carl von, 1707 -1778 (Junk, 1753)

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)

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, 1800)

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, 1810)

Species plantarum, exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Linné, Carl von, 1707 -1778 (Typis Joannis Thomae de Trattner, 1764)

Spicilegium florae Maroccanae - Ball, John, 1818 -1889 (Printed by Taylor and Francis, 1878)