LITERATURE CITED 



Braughman, J. F. and D. D. Murphy. 1990. Beware of snapshots at 

 the bottleneck - temporal considerations in conservation 

 planning. Endangered Species Update 7(8,9): 6. 



Evert, E. F. and L. Constance. 1982. Shoshonea pulvinata . a new 

 genus and species of Umbelliferae from Wyoming. Systematic 

 Botany 7: 471-475. 



Lesica, P. and J. S. Shelly. 1988. Report on the conservation 

 status of Shoshonea pulvinata , a candidate threatened 

 species. Report to the U.S. Fish and Wildlife Service, 

 Office of Endangered Species, Denver, Colorado. 



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

 endangered vascular plants of Montana. Montana Natural 

 Heritage Program Occasional Publication No. 1, Helena. 



Sokal, R. R. and F. J. Rohlf. 1981. Biometry. W. H. Freeman 

 and Co., San Francisco. 



Sutter, R. D. 1986. Monitoring rare plant species and natural 

 areas - ensuring the protection of our investment. Natural 

 Areas Journal 6: 3-5. 



USDI-Fish and Wildlife Service. 1990. Endangered and threatened 

 wildlife and plants: Review of plant taxa for listing as 

 endangered or threatened species; Notice of review. Federal 

 Register 55: 6184-6229. 



Wilson, E. 0. 1988. Biodiversity. National Academy Press, 

 Washington D.C. 



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