Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1940)

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 / 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 in botany - National Museum of Natural Sciences (Canada) (The Museum, 1974)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1981)

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

Publications in natural sciences = Publications de sciences naturelles - National Museum of Natural Sciences (Canada) (National Museums of Canada, 1985)

Publications of Field Museum of Natural History. Volume XI, Botanical series [index] - Field Museum of Natural History. (Field Museum of Natural History, 1936)

Pudor's annual, 1931 : plants, seeds, bulbs : a book for garden lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1931)

Pudor's annual, 1932 : plants, seeds, bulbs : a book for garden lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1932)

Pudor's annual, 1933 : plants, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1933)

Pudor's annual, 1934 : plants, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1934)

Pudor's annual, 1935 : plants, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1935)

Pudor's annual, 1936 : plants, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1936)

Pudor's annual, 1937 : plants, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1937)

Pudor's annual, 1938 : plants, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1938)

Pudor's annual, 1939 : plants, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1939)

Pudor's fall catalog 1939 : choicest delphiniums, flowering bulbs, lupins, iris : plants, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1939)

Pudor's fall catalog 1940 : specializing in delphiniums, Japanese iris, bearded iris, bulbous iris, lupins, choice flower seeds, flowering bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1940)

Pudor's, Inc., growers of plants, seeds & bulbs : fall season, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1937)

Pudor's perennial and annual flower catalog : season 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.M. Pudor, 1927)

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 yan jiu heng duan shan kao cha zhuan ji 2 - Zhongguo ke xue yuan. Qing zang gao yuan zong he ke xue kao cha dui (bei jing ke xue ji shu chu ban she, 1986)

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

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1970)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1971)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1975)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1976)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1948)

Rad - Jugoslavenska akademija znanosti i umjetnosti. Razred za prirodne nauke. (Jugoslavenska akademija znanosti i umjetnosti, 1878)

Rad - Jugoslavenska akademija znanosti i umjetnosti. Razred za prirodne nauke. (Jugoslavenska akademija znanosti i umjetnosti, 1873)

Range and pasture management - Sampson, Arthur W. (Arthur William), 1884 -1967 (John Wiley, 1923)

Range and wildlife habitat evaluation : a research symposium, Flagstaff and Tempe, Ariz., May 1968 - United States. Branch of Range; Wildlife Habitat Ecology; Management Research. (U.S. Dept. of Agriculture, Forest Service, 1970)

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)

Ranunculaceae (Crowfoot family) of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1982)

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)

Rare and endangered vascular plant species in Massachusetts : as abridged from Coddington and Field, 1978 - Massachusetts. Dept. of Environmental Management. (Massachusetts Dept. of Environmental Management], 1979)

Rare native plants of Massachusetts - Massachusetts. Division of Fisheries; Wildlife. (Division of Fisheries and Wildlife, 1989)

Rare native plants of Massachusetts - Massachusetts. Division of Fisheries; Wildlife. (Massachusetts Division of Fisheries and Wildlife, 1987)

Rare native plants of Massachusetts - Massachusetts. Division of Fisheries; Wildlife. (Massachusetts Division of Fisheries and Wildlife, 1985)

Rare plant inventory of the outstanding natural areas of the Rocky Mountain Front - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1988)

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 New York State - Mitchell, Richard S., 1938 - (New York State Museum, University of the State of New York, State Education Dept, 1981)

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.

Reading Naturalist. Reading - Reading Natural History Society. (2013)

The Reading Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1898)

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

Recent advances in cytology - Darlington, C. D. (Cyril Dean), 1903 - (P. Blakiston's son & co., inc, 1937)

Recent progress in the study of variation, heredity, and evolution - Lock, Robert Heath, 1879 -1915 (J. Murray, 1916)

Recherches sur l'anatomie des feuilles dans les Renonculacées - Goffart, Jules. (Hayez, 1901)

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, 1931)