Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1942)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1944)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1947)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1950)

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

Publication / the Herbarium, Department of Biological Sciences, University of California, Santa Barbara - University of California, Santa Barbara. (the Herbarium, 1985)

Publication / the Herbarium, Department of Biological Sciences, University of California, Santa Barbara - University of California, Santa Barbara. (the Herbarium, 1986)

[Publications] - Bureau of Government Laboratories - Philippines. Bureau of Government Laboratories. (Bureau of Public Printing, 1905)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1982)

qing dao zhong zi zhi wu ming lu - Chen, Zhuo. (shan dong da xue xue bao er juan si qi)

qing hai jing ji zhi wu zhi 青海经济植物志 - Guo, Benzhao (郭本兆) (qing hai ren min chu ban she青海人民出版社, 1987)

qing hai mu ben zhi wu zhi - Li, Yaojie (qing hai ren min chu ban she, 1987)

qing zang gao yuan ji pi lian di qu sheng wu xue wen xian mu lu - qing hai sheng sheng wu yan jiu suo (qing hai sheng sheng wu yan jiu suo, 1975)

Qualitative alkaloid tests - Schubert, Bernice, 1913 -2000 (1954)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1952)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1972)

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)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1911)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1936)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1942)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1948)

Rain forest in the city : Bukit Timah Nature Reserve, Singapore - Botanic Gardens (Singapore) (National Parks Board, Singapore Botanic Gardens, 1995)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U. S. Govt. print. off, 1937)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U.S. Govt. print. off, 1937)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2000)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2001)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2002)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2003)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2006)

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

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2004)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2007)

Rapid inventories, biological and social - Field Museum of Natural History. (Field Museum, 2008)

Rare and endangered plants of Puerto Rico : a committee report - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service in cooperation with the Department of Natural Resources, Commonwealth of Puerto Rico, 1975)

Rare and Threatened Plants of Cuba: ex-situ conservation in Botanic gardens (1989)

A rare plant survey of the Wainwright Dunes Ecological Reserve - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Resource Data Branch, Public Lands Division, 2003)

Rare plants of the Ozark Plateau : a field identification guide - North Central Forest Experiment Station (Saint Paul, Minn.) (North Central Forest Experiment Station, Forest Service, U.S.D.A, 1978)

Reading Naturalist. Reading - Reading Natural History Society. (1984)

Reading Naturalist. Reading - Reading Natural History Society. (1988)

Reading Naturalist. Reading - Reading Natural History Society. (1992)

Reading Naturalist. Reading - Reading Natural History Society. (1993)

Reading Naturalist. Reading - Reading Natural History Society. (1998)

Reading Nursery [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob W. Manning, 1907)

Realizing nature's potential : proceedings of the William L. Brown Symposium honoring Dr. Gordon Cragg - Miller, James Stuart, 1953 - (Missouri Botanical Garden, 2011)

Recognizing plant families of the west : field guide - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 2021)

Record of decision and Lake Havasu Field Office approved resource management plan - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, Lake Havasu Field Office, 2007)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1942)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1948)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1994)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2012)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1893)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1903)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1902)

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, 1914)

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, 1953)

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

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1966)

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

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1984)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1996)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 2003)

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

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 1995)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2010)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2015)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2019)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1904)

Red list of the endemic plants of the Caucasus : Armenia, Azerbaijan, Georgia, Iran, Russia, and Turkey - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2014)

Regiones terrestres prioritarias de México - Aguilar Zúñiga, Claudia (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2000)

Reise in Ostafrika in den Jahren 1903-1905 : mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung : Wissenschaftliche Ergebnisse - Voeltzkow, Alfred, 1860 -1946 (E. Schweizerbartsche Verlagsbuchhandlung, 1917)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1847)

Reisen in Süd-Arabien, Mahra-land und Hadramt - Hirsch, Leo. (E.J. Brill, 1897)

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)

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)