Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1954)

Prodromus florae Batavae - Nederlandsche Botanische Vereeniging, Leyden. (F.E. MacDonald, 1902)

Prodromus florae batavae; nieuwe lijst der Nederlandsche phanerogamen en vaatkryptogamen - Nederlandsche Botanische Vereeniging (F.E. Macdonald, 1901)

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, 1828)

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, 1846)

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)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1891)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1923)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1931)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1936)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1937)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1938)

Publication / the Herbarium, Department of Biological Sciences, University of California, Santa Barbara - University of California, Santa Barbara. (the Herbarium, 1984)

The Queensland flora - Bailey, Frederick Manson 1827 -1915 (Printed by H. J. Diddams & co, 1899)

The Queensland flora - Bailey, Frederick Manson 1827 -1915 (Printed by H. J. Diddams & co, 1905)

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)

Range plants of Arizona and New Mexico : names, symbols and notations - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S.D.A, 1958)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1969)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1950)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1957)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 1985)

Le Règne végétal; divisé en: Traité de botanique, Flore médicale, usuelle et industrielle, Horticulture théorique et pratique, Plantes agricoles et forestières, Histoire biographique et bibliographique de la botanique - Réveil, O. (Oscar), 1821 -1865 (L. Guérin, 1870)

Reise durch die Wueste Atacama :auf Befehl der chilenischen Regierung im Sommer 1853-54 - Philippi, Rodolfo Amando, 1808 -1904 (E. Anton, 1860)

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, &c. : catalogue 1891 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar & Co, 1891)

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

Rennie's 1901, Toronto [seed annual catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Rennie Co, 1901)

Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

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

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1844)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1845)

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

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1935)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1848)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1857)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1907)

Report on the botany of the expedition - Torrey, John, 1796 -1873 ([s.n.], 1857)

Report on the plants collected during Mr. Babbage's expedition into the north-western interior of South Australia in 1858 - Mueller, Ferdinand von, 1825 -1896 (Government Printer, 1859)

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)

A report upon the boreal flora of the Sierra Nevada of California - Smiley, Frank Jason, 1880 - (University of California Press, 1921)

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.], 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.], 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.], 1857)

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 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 Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1894)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1901)

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 Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1901)

Reputation garden guide : flower seeds, garden seeds, garden bulbs, grass seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Duluth Floral Co, 1930)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1978)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1980)

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

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1909)

Reuter's seeds for the south. Spring 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chris. Reuter, 1917)

Reuter's seeds for the south. Spring 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chris Reuter, 1916)

Reuter's. seeds for the south. Spring 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chris. Reuter, 1919)

Reuter's seeds for the south. Spring 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chris. Reuter, 1918)

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 chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1996)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1998)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1901)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1921)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1923)

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

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

Revue horticole (Librairie agricole de la maison rustique, 1853)

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

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

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

Revue horticole (Librairie agricole de la maison rustique, 1908)

Revue horticole (Librairie agricole de la maison rustique, 1921)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1939)

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

Richardson & Gould's seed catalogue. : American Agriculturist Building, no. 245 Broadway, Post Office address, P.O. Box 5134, New York - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perris & Browne, printers, 164 Fulton Street, 1872)

Rock garden and alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Meadowview Rock Gardens, 1934)

Rock gardening for amateurs - Thomas, H. H. (Harry Higgott) (Cassell and company, limited, 1914)

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

Rock gardens; how to make and maintain them - Meredith, Lewis B. (C. Scribner's sons, 1914)

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

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 : 1930 descriptive list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1930)

Rock's 1929 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William L. Rock Flower Co, 1929)

Rock's garden book : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rock's Flower Gardens, 1924)

Rock's garden book : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rock's Flower Gardens, 1925)

Rock's garden book : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rock's Flower Gardens, 1926)

Rock's garden book : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rock's Flower Gardens, 1927)

Rock's garden book : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William L. Rock Flower Co, 1928)