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Selected shrubland and grassland communities of the northern Great Plains - Montana Natural Heritage Program. (Nature Conservancy, 1999)

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

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 Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

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

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

Shrubs of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1982)

Shrubs of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1982)

Shrubs of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1982)

Shrubs of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1982)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1992)