14 



IV. LITERATURE CITED 



Dorn, R. D., 1984. Vascular plants of Montana. Mountain West 

 Publishing, Cheyenne, WY. 



Fertig, 1993. Wyoming plant species of special concern. Wyoming 

 Natural Diversity Database, Laramie. Unpubl . 19 pp. 



Heidel, B. L. and J. M. Poole. 1993. Montana plant species of 

 special concern. Montana Natural Heritage Program, Helena. Unpubl. 

 21 pp. 



Hitchcock, C. L. and A. Cronquist. 1973. Flora of the Pacific 

 Northwest. University of Washington Press, Seattle. 



Hitchcock, C. L. , A. Cronquist, M. Owenby and J. W. Thompson. 1969. 

 Vascular plant of the Pacific Northwest, Part 5. University of 

 Washington Press, Seattle. 



Lesica, P. and P. L. Achuff. 1992. Distribution of vascular plant 

 species of special concern and limited distribution in the Pryor 

 Mountain Desert, Carbon County, Montana. Unpublished report for 

 Bureau of Land Management. Montana Natural Heritage Program, Helena. 



Lesica. P., K. Lackschewitz , J. Pierce, S. Gregory and M. O'Brien. 

 1986. Noteworthy plant collections in Montana. Madrono 33:310-313. 



Lesica, P. and J. S. Shelly. 1991. Sensitive, threatened and 

 endangered vascular plants of Montana. Montana Natural Heritage 

 Program, Occasional Publ. No. 1. Helena. 88 pp. 



Scow, K. L. and L. D. Culwell. 1993. Supplementary vegetation 

 information for Continental Lime, Inc., Indian Creek Operation, 

 Broadwater County, Montana. Unpublished report for Bison Engineering, 

 Inc. Western Technological and Engineering, Inc., Helena, MT. 



U.S.D.A. Forest Service 1992. Climate existing condition - Crow Creek 

 Landscape analysis. Townsend Ranger District, Helena National Forest, 

 Townsend, MT. 4 pp. 



U.S. Department of Commerce. 1982. Monthly normals of temperature, 

 precipitation, and heating and cooling degree days, 1951-1980. 

 National Oceanic and Atmospheric Administration, Climatography of the 

 United States, No. 81. 23 pp. 



U.S. D.I. Bureau of Land Management. 1993. Draft list of sensitive 

 and watch plant species. Billings, MT. Unpublished. 



U.S. D.I. Bureau of Land Management. 1994. Draft list of sensitive 

 and watch plant species. Billings, MT. Unpublished. 



