Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1931)

Revista do Museu Paulista - Museu Paulista (O Museu, 1927)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1902)

Revue horticole (Librairie agricole de la maison rustique, 1846)

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

Revue horticole (Librairie agricole de la maison rustique, 1852)

Revue horticole (Librairie agricole de la maison rustique, 1855)

Revue horticole (Librairie agricole de la maison rustique, 1857)

Revue horticole (Librairie agricole de la maison rustique, 1861)

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

Revue horticole (Librairie agricole de la maison rustique, 1865)

Revue horticole (Librairie agricole de la maison rustique, 1867)

Revue horticole (Librairie agricole de la maison rustique, 1869)

Revue horticole (Librairie agricole de la maison rustique, 1876)

Revue horticole (Librairie agricole de la maison rustique, 1880)

Revue horticole (Librairie agricole de la maison rustique, 1881)

Revue horticole (Librairie agricole de la maison rustique, 1885)

Revue horticole (Librairie agricole de la maison rustique, 1886)

Revue horticole (Librairie agricole de la maison rustique, 1887)

Revue horticole (Librairie agricole de la maison rustique, 1888)

Revue horticole (Librairie agricole de la maison rustique, 1889)

Revue horticole (Librairie agricole de la maison rustique, 1891)

Revue horticole (Librairie agricole de la maison rustique, 1892)

Revue horticole (Librairie agricole de la maison rustique, 1893)

Revue horticole (Librairie agricole de la maison rustique, 1894)

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

Revue horticole (Librairie agricole de la maison rustique, 1896)

Revue horticole (Librairie agricole de la maison rustique, 1897)

Revue horticole (Librairie agricole de la maison rustique, 1899)

Revue horticole (Librairie agricole de la maison rustique, 1900)

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

Revue horticole (Librairie agricole de la maison rustique, 1912)

Revue horticole (Librairie agricole de la maison rustique, 1913)

Richard Schomburgk's travels in British Guiana, 1840-1844 - Schomburgk, Richard, 1811 -1891 ("Daily Chronicle" Office, 1922)

Richardiana (Tropicalia, 2007)

Richardiana (Tropicalia, 2006)

Richardiana (Tropicalia, 2010)

Richardiana (Tropicalia, 2012)

Richardiana (Tropicalia, 2014)

Richardiana (Tropicalia, 2015)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1900)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1935)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1950)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1992)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2008)

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Sacred flowers of the Aztecs - Safford, William Edwin, 1859 -1926 (Press of Judd & Detweiler, inc, 1912)

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Sanders' orchid guide, rev. (1927) ed. containing all the best known species, varieties, and natural hybrids of orchids in cultivation. Their native countries, descriptions, seasons of flowering, best methods of cultivation, temperatures, &c. ... - Sanders, St. Albans. (Sanders, 1927)

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Schweizerische Zeitschrift für Gartenbau (Verlag von Meyer und Zeller, 1846)

Schweizerische Zeitschrift für Gartenbau (Verlag von Meyer und Zeller, 1848)

Schweizerische Zeitschrift für Gartenbau (Verlag von Meyer und Zeller, 1851)

Schweizerische Zeitschrift für Land- und Gartenbau (Verlag von Meyer und Zeller, 1844)

Schweizerische Zeitschrift für Land- und Gartenbau (Verlag von Meyer und Zeller, 1845)

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A Selected bibliography of insect-vascular plant associational studies - Kingsolver, John M. (U.S. Dept. of Agriculture, Agricultural Research Service, 1984)

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Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1940)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1941)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1942)

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Special list. established exotic orchids and native hardy orchids No. 82 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1931)

Special list. established exotic orchids and native hardy orchids No. 80 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1929)

Special list. established exotic orchids and native hardy orchids No. 80 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1928)

Special list. established orchids No. 69 January 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1917)

Special list. established orchids, including cypripediums and native hardy orchids No. 73 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1922)

Special list. established orchids, including cypripediums and native hardy orchids No. 79 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1925)

Special list. established orchids, including cypripediums and native hardy orchids No. 77 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1923)

Special list. established orchids, including cypripediums and native hardy orchids No. 78 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1924)

Special list no. 62. orchids established No. 62 August, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1915)

Special list no. 65. established orchids No. 65 March 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1916)

Special offering No. 88 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1931)

Special offering, No. 91 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1932)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co.; [etc., etc.], 1916)