Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1943)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1944)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1945)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1946)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1947)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1948)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1949)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1950)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1954)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1955)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1956)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1957)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1958)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1959)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1961)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1962)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1963)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1966)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1968)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1970)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1974)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1977)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1978)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1983)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1984)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1985)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1998)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2000)

Riparian and wetland community inventory of 14 reference areas in southwestern Idaho - United States. Bureau of Land Management. (Bureau of Land Management, Idaho State Office, 1998)

Riparian and wetland plant associations of southwestern Idaho : with a focus on the Bureau of Land Management's Lower Snake River District - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, National Science and Technology Center, Information and Communications Group, 2001)

Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (H. W. Wilson, 1920)

Rocky mountain flowers; an illustrated guide for plantlovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (the H.W. Wilson company, 1914)

Rocky Mountain front grizzly bear monitoring and investigation - Aune, Keith, 1954 - (Montana Dept. of Fish, Wildlife and Parks, 1982)

Rocky Mountain wild flower studies; an account of the ways of some plants that live in the Rocky Mountain region - Longyear, Burton Orange, 1868 - (Merchants Publishing Co, 1909)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2007)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1940)

Root development of field crops - Weaver, John E. (John Ernest),‏ ‎ 1884 -1966 (McGraw-Hill book company, inc, 1926)

Rootrots and leafspots of grains and grasses in the northern Great Plains and western states - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1946)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1871)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1878)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1890)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 1989)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 1999)

Salicaceae of Nevada - Little, Elbert L. (Elbert Luther), 1907 -2004 (U.S. National Arboretum, Agricultural Research Service, U.S. Department of Agriculture, 1965)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation in Erie county, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Clapper, 1899)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation, in Erie County, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Press of Clapper Printing Co, 1899)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1943)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1947)

Science - American Association for the Advancement of Science. ([s.n.], 1888)

Science - American Association for the Advancement of Science. ([s.n.], 1897)

Science - American Association for the Advancement of Science. ([s.n.], 1910)

Science - American Association for the Advancement of Science. ([s.n.], 1914)

Science - American Association for the Advancement of Science. ([s.n.], 1920)

Science - American Association for the Advancement of Science. ([s.n.], 1922)

Scientific survey of Porto Rico and the Virgin Islands - New York Academy of Sciences. (The Academy, 1926)

Scrophulariaceae of Nevada : Part II. The genera except Mimulus and Penstemon - Edwin, Gabriel 1926 - (Plant Industry Station, 1959)

The Seaside sparrow, its biology and management : proceedings of a symposium held at Raleigh, North Carolina 1-2 October 1981 - U.S. Fish; Wildlife Service (The Survey, 1983)

Seeds, bulbs & fertilizers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Schlegel & Fottler, 1900)

Seeds, plants, bulbs, fertilizers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Schlegel & Fottler, 1899)

Seeds plants, bulbs, fertilizers, tools, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1899)

A selected bibliography of North American forestry - Munns, E. N. (Edward Norfolk), 1889 -1972 (U.S. Dept. of Agriculture, 1940)

A selected bibliography on management of western ranges, livestock, and wildlife - Renner, Frederic Gordon, 1897 - (U.S. Dept. of Agriculture, 1938)

Sendtnera : Mitteilungen der Botanischen Staatssammlung und des Instituts für Systematische Botanik der Universitat München - Botanische Staatssammlung München. (Botanische Staatssammlung München, 1996)

Sendtnera : Mitteilungen der Botanischen Staatssammlung und des Instituts für Systematische Botanik der Universitat München - Botanische Staatssammlung München. (Botanische Staatssammlung München, 1998)

Sensitive plant species inventory in the Centennial Valley, Beaverhead County, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1993)

Sensitive plant species surveys, Butte District, Beaverhead and Madison Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1996)

Sensitive plant survey in the Tendoy Mountains, Beaverhead County, Montana - Lesica, Peter. (Montana Natural Heritage Program, 1994)

Sensitive species of Nevada : 1990 report : Bureau of Land Management, Las Vegas District - Clemmer, Glenn H. (Nevada Natural Heritage Program, 1990)

Sensitive, threatened, and endangered vascular plants of Montana - Lesica, Peter. (Montana Natural Heritage Program, Montana State Library, 1991)

Serial publications in the British Museum (Natural History) Library - British Museum (Natural History). Library. (British Museum, 1980)

The serphoid and chalcidoid parasites of the hessian fly - Gahan, A. B. (Arthur Burton), 1880 -1960 (U.S. Dept. of Agriculture, 1933)

Sertum antillanum. I-XXX - Urban, Ignaz, 1848 -1931 ([publisher not identified], 1914)

Service bulletin - United States. Forest Service. (Forest Service, U.S. Dept. of Agriculture, 1917)

shen nong jia zhi wu 神农架植物 - Zhongguo ke xue yuan. Wuhan zhi wu yan jiu suo 中国科学院武汉植物 研究所 (hu bei ren min chu ban she 湖北人民出版社, 1980)

sheng tai xue yuan li he ye wai sheng wu xue - Smith, Robert Leo 1925 - (ke xue chu ban she, 1988)

A short guide to Canadian genera of seed plants - Canada. Department of Agriculture. (Dominion of Canada, Dept. of griculture, 1938)

A short guide to Canadian genera of seed plants - Adams, John, 1872 -1950 (Dominion of Canada, Dept. of Agriculture, 1927)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2019)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1968)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1972)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1975)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1979)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1983)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1985)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1987)