Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 2004)

Scotts price list : April-May, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Scott Farm Seed Company, 1958)

Scrophulariaceae of the local flora - New York Botanical Garden (New York Botanical Garden, 1919)

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)

Second International Rubiaceae Conference (13-15 September 1995) : Programme and abstracts - Robbrecht, Elmar (1995)

Seed list : a list of forage plant seeds and the incidental seeds commonly found with them - Hillman, F. H. (Division of Seed Investigations, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1935)

The seed plants, ferns, and fern allies of the Austin Region - Young, Mary Sophie, 1919 (The University, 1920)

Seeds and sovereignty : debate over the use and control of plant genetic resources - Duke University Press. (Duke University Press, 1988)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1958)

A Selected bibliography of insect-vascular plant associational studies - Kingsolver, John M. (U.S. Dept. of Agriculture, Agricultural Research Service, 1984)

Sempervirens : the quarterly of the Virginia Native Plant Society - Virginia Native Plant Society. (The Society, 2018)

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)

Sendtnera : Mitteilungen der Botanischen Staatssammlung und des Instituts für Systematische Botanik der Universitat München - Botanische Staatssammlung München. (Botanische Staatssammlung München, 2002)

Sensitive plant field guide : Willamette National Forest - United States. Forest Service. Pacific Northwest Region. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1991)

Sensitive plant species survey, Ashland District, Custer National Forest, Powder River and Rosebud Counties, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1996)

Sensitive plant species survey at the southern end of the Elkhorn Mountains, Broadwater and Jefferson Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1995)

Sensitive plant species survey, Garfield and McCone Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1994)

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 Horse Prairie Creek drainage, Beaverhead County, Montana, Butte District, Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1995)

Sensitive plant survey in the Sioux District, Custer National Forest, Carter County, Montana, and Harding County, South Dakota - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

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

Sensitive plant survey in the Tobacco Root Mountains, Madison County, Montana, Beaverhead and Deerlodge National Forests - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Sensitive plant survey of the Sage Creek Area, Beaverhead County, Montana, Dillon Resource Area, Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1995)

Sensitive plant survey of the Tendoy Mountains, in the Beaverhead National Forest, Beaverhead County, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Sensitive plant surveys, 1989 : U.S. Forest Service, Region 1, Gallatin National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1989)

Sensitive plant surveys in the Big Belt and Elkhorn Mountains, U.S.D.A. Forest Service, Region 1, Helena National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1993)

Sensitive plant surveys in the Bull River and adjacent drainages, U.S.D.A. Forest Service, Region 1, Kootenai National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plants and noxious weeds of the Mt. Baker-Snoqualmie National Forest - United States. Forest Service. Pacific Northwest Region. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1991)

Sensitive plants of the Malheur, Ochoco, Umatilla, and the Wallowa-Whitman National Forests / by Paula J. Brooks ... [et. al.] - United States. Forest Service. Pacific Northwest Region. (USDA, Forest Service, Pacific Northwest Region, 1991)

Sensitive plants of the Nantahala and Pisgah National Forests - United States. Forest Service. Southern Region. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1985)

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

Serket = Sarkat - El-Hennawy, Hisham Kamal El-Din 1955 - ([Hisham K. El-Hennawy], 2016)

sheng wu duo yang xing yu ren lei wei lai - Chen, Yiyu. (zhong guo lin ye chu ban she, 1998)

Shore stabilization with salt marsh vegetation - Coastal Engineering Research Center (U.S.) (U.S. Army, Corps of Engineers, Coastal Engineering Research Center, 1983)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 1985)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 1993)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2003)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2004)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2006)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2017)

Shrubs of Florida; a handbook of the native and naturalized shrubs of Florida - Small, John Kunkel, 1869 -1938 (The author, 1913)

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1977)

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1981)

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)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1988)