29 



LITERATURE CITED 



Bailey, R.G. 1978. Description of the ecoregions of the United 

 States. USDA Forest Service, Ogden, Utah. 77 pp. 



Daubenmire, R. 1978. Plant geography with special reference to 

 North America. Academic Press, New York. 338 pp. 



Corn, R.D. 1984. Vascular Plants of Montana. Mountain Press 

 Publishing, Cheyenne, Wyoming. 276 pp. 



Evenden, A.G. 1990. Memo to C. Joyner, subject: Proposed St. 



Mary's Peak Botanical Area. U.S. Forest Service, Missoula, 

 Montana. 5 pp. 



Hunt, C.B. 1974. Natural regions of the United States and Canada. 

 W.H. Freeman and Co., San Francisco, California. 725 pp. 



Kuchler, A.W. 1964. Potential natural vegetation of the 



conterminous United States. American Geographical Society 

 Special Publication 36. 



Lackschewitz, K. 1970. Alpine and timberline flora in the 



Bitterroot Mountains, Montana. Proceedings of the Montana 

 Academy of Sciences 30: 1-30. 



Lackschewitz, K. 1986. Plants of west-central Montana - 



identification and ecology: annotated checklist. USDA Forest 

 Service General Technical Report INT-217. 128 pp. 



Lesica, P. 1987. A technique for monitoring nonrhizomatous, 

 perennial plant species in permanent belt transects. 

 Natural Areas Journal 7: 65-68. 



Menges, E.S. 1986. Predicting the future of rare plant 



populations: demographic monitoring and modeling. Natural 

 Areas Journal 6: 13-25. 



Pfister, R.D., B.L. Kovalchik, S.F. Arno, and R.C. Presby. 1977. 

 Forest habitat types of Montana. USDA General Technical 

 Report INT-34. 174 pp. 



Reel, S., L. Schassberger , and W. Ruediger. 1989. Caring for our 

 natural community: Region 1 - Threatened, endangered and 

 sensitive species program. USDA Forest Service, Wildlife and 

 Fisheries, Missoula, Montana. 309 pp. + appendices. 



Rollins, R.C. 1984. Studies in the Cruciferae of western North 

 America II. Contr. Gray Herb. 214: 1-18. 



