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

 Our Natural Community: Region 1 - Threatened, Endangered 

 and Sensitive Species Program. USDA Forest Service, 

 Northern Region, Wildlife and Fisheries, Missoula, Montana. 

 309 pp., appendices. 



Shelly, J.S. 1990. Plant species of special concern. Montana 

 Natural Heritage Program, Helena. 20 pp. (mimeo.). 



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



Plant Field Guide, 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. 



