TABLE OF CONTENTS 



Page 



I . SUMMARY 1 



II. SPECIES INFORMATION 2 



A. CLASSIFICATION 2 



B. PRESENT LEGAL OR OTHER FORMAL STATUS 3 



C. DESCRIPTION 3 



D. GEOGRAPHICAL DISTRIBUTION 5 



E . HABITAT 7 



F. POPULATION DEMOGRAPHY AND BIOLOGY 9 



G . POPULATION ECOLOGY 19 



H. LAND OWNERSHIP 19 



I . DOCUMENTATION 2 



III. ASSESSMENT AND MANAGEMENT RECOMMENDATIONS 21 



A. THREATS TO CURRENTLY KNOWN POPULATIONS 21 



B. MANAGEMENT PRACTICES AND RESPONSE 2 2 



C. RECOMMENDATIONS FOR MAINTAINING VIABLE POPULATIONS. 22 



D. RECOMMENDATIONS FOR FURTHER ASSESSMENT 2 2 



VI. LITERATURE CITED 23 



V. ELEMENT OCCURRENCE PRINT-OUTS AND MAPS 2 5 



VI . PHOTOGRAPHS 4 2 



1 the following report, numbers in parentheses after site names refer to the Montana Natural 

 ;ritage Program occurrence numbers for those sites. 



