Oesterreichische botanische Zeitschrift (A. Skofitz, 1892)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1893)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1894)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1895)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1896)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1897)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1898)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1899)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1900)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1901)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1902)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1904)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1905)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1908)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1910)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1911)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1912)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1916)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1918)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1922)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1851)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1852)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1853)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1854)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1855)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1856)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1857)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1905)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1884)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1887)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1916)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1900)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1903)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1905)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1902)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1899)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1901)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1900)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1903)

Old-fashioned gardening; a history and a reconstruction - Tabor, Grace, 1873? - (McBride, Nast & company, 1913)

Old time gardens : newly set forth - Earle, Alice Morse, 1851 -1911 (The Macmillan Company, 1901)

Old time gardens, newly set forth - Earle, Alice Morse, 1851 -1911 (Macmillan, 1922)

Old time gardens, newly set forth - Earle, Alice Morse, 1851 -1911 (The Macmillan Company, 1901)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1875)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (MacMillan, 1890)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1890)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan, 1909)

On British wild flowers considered in relation to insects - Lubbock, John, Sir, 1834 -1913 (Macmillan and Co, 1875)

On the popular names of British plants : being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (F. Norgate; [etc., etc.], 1879)

On the popular names of British plants, being an explanation of the origin and meaning of the names of our indigenous and most commonly cultivated species - Prior, R. C. Alexander (Richard Chandler Alexander), 1809 -1902 (Williams and Norgate, 1870)

Opera e periodicis collata - Vries, Hugo de, 1848 -1935 (A. Oosthoek, 1918)

Opuscules de botanique - Clos, Dominique, 1821 -1908 (1859)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2000)

Oregon wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clarice Nye, 1931)

Oregon wild flowers, rock plants and seeds, lilies, trees and shrubs, ferns, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. Clarice Nye, 1932)

Organic materia medica : including the standard remedies of the leading pharmacopoeas as well as those articles of the newer materia medica ... and of the preparations made therefrom by Parke, Davis & Co. ... - Parke, Davis & Company ([s.n.], 1888)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1898)