15 

 Literature Cited 



Hamilton, M.B., and T. Mitchell-Olds. 1989. Population biology 

 of Arabis fecunda . a rare endemic. 1. Directional selection 

 and interspecific competition. Evolution (In review) . 



Lesica, P. 1985. Report on the conservation status of Arabis 



fecunda, a potential candidate species. Unpublished report 

 to the U.S. Fish and Wildlife Service, Denver, Colorado. 18 

 pp. 



Mueggler, W.F., and W.L. Stewart. 1980. Grassland and shrubland 

 habitat types of Western Montana. Intermountain Forest and 

 Range Experiment Station, Ogden, Utah. 154 pp. 



Richards, R.W., and J.T. Pardee. 1925. The Melrose Phosphate 

 Field, Montana. U.S.G.S. Bull. 780: 1-32. 



Schassberger, L.A. 1988. Update to the report on the 

 conservation status of Arabis fecunda, a candidate 

 threatened species. Unpublished report to the U.S. Fish and 

 Wildlife Service, Denver, Colorado. 36 pp. 



U.S. Department of Agriculture, Forest Service. 1988. Sensitive 

 Plant Field Guide to Montana. U.S. Forest Service, Northern 

 Region, Range, Air, Watershed, and Ecology Unit, Missoula, 

 Montana. 



U.S. Department of Commerce. 1982. Monthly Normals of 



Temperature, Precipitation, and Heating and Cooling Degree 

 Days 1951-80. National Oceanic and Atmospheric 

 Administration, Climatography of the United States No. 81. 

 23 pp. 



