Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1873)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1842)

Pronunciation of plant names - Garden Club of America. (Reproduced and printed by National Process Company], 1922)

The protection of leaf vegetables, January 1979-April 1988 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1988)

The protection of minor vegetable crops, 1985-1989 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1990)

pu yang zhi wu zhi - Zhang, Junpu, Wu Hongchen, Zhu Xuewen & Ma Yipin (zhong guo ke xue ji shu chu ban she, 1996)

Publicações. Comissão de linhas telegraficas estratégicas de Mato Grosso ao Amazonas (A Comissão, 1954)

qing zang zi ran di li zi liao - Xu, Jinzhi 徐近之 (ke xue chu ban she)

Quality plants, bulbs, seeds : wholesale list 1946–1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nurserymen's Exchange, 1946)

Quarterly summary of re-identifications, April, May, June 1963 : Summary No. 13 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

Quarterly summary of re-identifications, April, May, June 1962 : Summary No. 9 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

Quarterly summary of re-identifications, January, February, March 1963 : Summary No. 12 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

Quarterly summary of re-identifications, October, November, December 1961 : Summary No. 7 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

R & J Farquhar & Co's catalogue 1894 : reliable tested seeds plants bulbs fertilizers tools etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1894)

R. & J. Farquhar and Co's. catalogue, 1897 : reliable tested seeds plants, bulbs fertilizers tools, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1897)

R. & J. Farquhar and Co's. catalogue,1895 : reliable tested seeds plants, bulbs fertilizers tools, &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1895)

The races of man and their geographical distribution - Pickering, Charles, 1805 -1878 (Printed by C. Sherman, 1848)

Radiation biology - Hollaender, Alexander, 1898 - (McGraw-Hill, 1954)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rare plants by mail : wholesale and retail : retail list no. 65 - Charles L. Cass (Firm) (Charles L. Cass, 1950)

Rare plants from over the world : 1929-1930 [price list] - Beecroft, W. I. (Willey Ingraham), 1870 - (Desert Garden, 1929)

Rare plants from over the world [catalog] - Beecroft, W. I. (Willey Ingraham), 1870 - (W.I. Beecroft, 1931)

Rare plants : our complete catalog of rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rare Plant Club, 1953)

Répertoire des plantes utiles et des plantes vénéneuses du globe contenant la synonymie latine et française des plantes, leurs noms vulgaires français et l'indication de leurs usages ... précédé d'un traité indispensable aux personnes qui veulent herboriser, et composer des herbiers - Duchesne, E. A. (Edouard Adolphe), 1804 -1869 (J. Renouard, 1836)

Résultats scientifiques du Congrès international de botanique, Vienne 1905 = Wissenschaftliche Ergebnisse des Internationalen botanischen Kongresses, Wien 1905 - Lotsy, Johannes Paulus, 1867 -1931 (G. Fischer, 1906)

Recherches sur la flore méridionale de Madagascar - Poisson, Henri, 1877 -1963 (A. Challamel, 1912)

A record of plants collected in Southern Rhodesia; arramged on Engler's system - Eyles, Fred (1916)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1904)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1913)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1912)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1919)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1921)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1912)

Refugium botanicum : or figures and descriptions from living specimens, of little known or new plants of botanical interest - Baker, John Gilbert, 1834 -1920 (J. van Voorst, 1871)

Reliable seed produce beautiful flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Elliott & Sons, 1896)

Reliable seeds : plants, bulbs, fertilizers, tools, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar & Co, 1898)

Reliable tested seeds plants, bulbs, tools, fertilizers, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1892)

Reliquiae Dewevreanae ou Enumération systématique des plantes récoltées par Alfr. Dewèvre en 1895-96 dans l'Etat Indépendant du Congo - De Wildeman, Emile 1866 -1947 (1901)

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

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1843)

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

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1919)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1911)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1912)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1913)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1922)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1916)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1882)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1906)

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Report of the Third International Conference 1906 on Genetics : hybridisation (the cross-breeding of genera or species), the cross-breeding of varieties, and general plant-breeding - Royal Horticultural Society (Great Britain) (Royal Horticultural Society, 1907)

Report on Natal Botanic Gardens and Colonial Herbarium for the year ... - Wood, John Medley, 1827 -1915 ([Durban Botanic Society], 1899)

Retail catalogue : cacti, succulents, house plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreline Nurseries Inc, 1956)

Retail price list, 1937 : shrubs, trees, vines, palms, ferns, bedding plants, flowering plants and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust, 1937)

Retail price list 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gates Cactus Inc, 1956)

Retail price list no. 2 : native and exotic cacti and other succulents - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rio Grande Valley Cactus Garden, 1941)

Retail shipping and local sales - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gregg & Pease, 1950)

Return / British Museum - British Museum (Natural History) (British Museum, 1906)

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)

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)

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.], 1898)

Revision de plantas vasculares Filipinas :memoria elevada al Escmo. Sr. Ministro de Ultramar - Vidal y Soler, Sebastián, 1842 -1889 (Estab. tipo-litográfico de M. Perze, 1886)

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Revue générale de botanique (Libraire générale de l'enseignement, 1901)

Revue générale de botanique (Libraire générale de l'enseignement, 1903)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1911)

Revue générale de botanique (Libraire générale de l'enseignement, 1912)

Revue générale de botanique (Libraire générale de l'enseignement, 1913)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1918)

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

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

Revue horticole (Librairie agricole de la maison rustique, 1903)

Revue horticole (Librairie agricole de la maison rustique, 1904)

Revue horticole (Librairie agricole de la maison rustique, 1909)

Revue horticole (Librairie agricole de la maison rustique, 1911)

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

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

Revue horticole (Librairie agricole de la maison rustique, 1914)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1976)

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

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

Richardiana (Tropicalia, 2001)

Rio Grande Valley Cactus Co. [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rio Grande Valley Cactus Co, 1959)

Robert Craig Company, Norwood, Delaware County, Pa. 1856, 1955 : our 99th year of knowing and growing what the public prefers : February 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1955)

Robert Craig Company, Norwood, Delaware County, Pa. : our second century of knowing and growing what the public prefers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1957)

Robinson Nurseries, [19]39 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James W. Robinson Nurseries, 1939)

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, 2008)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2009)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1933)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1936)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1937)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1953)

Sämereien zum Tausch aus dem grossherzoglichen botanischen Garten der Universität Rostock - Universität Rostock. Botanischer Garten. (Botanischer Garten zu Rostock, 1930)

Sämereien zum Tausch aus dem grossherzoglichen botanischen Garten der Universität Rostock - Universität Rostock. Botanischer Garten. (Botanischer Garten zu Rostock, 1939)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1958)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1959)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1960)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1961)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1962)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1963)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1964)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1965)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1966)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1967)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1968)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1969)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1970)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1971)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1972)