University Herbarium (MONT) . There are currently no 

 voucher specimens for the Yellowstone area populations. 



B. FIELD WORK: Field surveys were conducted by Peter 

 Lesica in June and August of 1995 on the east front of 

 the Beartooth Mountains from the Wyoming border to 

 northwest of Red Lodge and in the Pryor Mountains. 

 Field forms are deposited at the Montana Natural 

 Heritage Program in Helena. 



Field surveys in the Yellowstone area were conducted by 

 J. Jacobs of Gallatin National Forest in 1994. Project 

 surveys were conducted in the Yellowstone area in 1995 

 by Lih-An Yang and Tris Hoffman, under contract to the 

 Hebgen Lake District of Gallatin National Forest. 



C. LITERATURE CITED 



Arno, S. F. and G. E. Gruell. 1983. Fire history at the forest 

 grassland ecotone in southwestern Montana. Journal of Range 

 Management 36: 3 32-336. 



Hitchcock, C. L. , A. Cronquist and M. Owenby. 1959. Vascular 

 plants of the Pacific Northwest. Part 4 Ericaceae through 

 Campanulaceae. University of Washington Press, Seattle. 



Cronquist, A. , A. H. Holmgren, N. H. Holmgren, J. L. Reveal and 

 P. K. Holmgren. 1984. Intermountain flora. Volume four. New 

 York Botanical Garden, Bronx, NY. 



Faegri, K. and L. van der Pijl. 1971. The principle of 

 pollination ecology. Pergamon Press, Oxford. 



Harris, P. and R. Cranston. 1979. An economic evaluation of 

 control methods for diffuse and spotted knapweed in western 

 Canada. Can. J. Plant Sci. 59: 375-382. 



Kuijit, J. 1969. The biology of parasitic flowering plants. 

 University of California Press, Berkeley. 



Lesica, P. 1988. Meeteetse Spires preserve design summary. 

 Unpublished report to The Nature Conservancy, Helena, MT. 



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