TABLE OF CONTENTS 



SPECIES INFORMATION , 2 



CLASSIFICATION 2 



PRESENT LEGAL OR FORMAL STATUS 3 



DESCRIPTION 4 



GEOGRAPHIC DISTRIBUTION 5 



HABITAT S 



POPULATION BIOLOGY 9 



ECOLOGY 



14 



LAND OWNERSHIP ^^ 



ASSESSMENT AND MANAGEMENT RECOMMENDATIONS 17 



THREATS TO KNOWN POPULATIONS 17 

 MANAGEMENT PRACTICES AND RESPONSES , 18 



RECOMMENDATIONS FOR MAINTAINING VIABLE POPULATIONS 19 



SUMMARY 21 



INFORMATION SOURCES 22 



HERBARIUM SPECIMENS 22 



FIELD WORK 23: 



LITERATURE CITED 23 



Appendix A, Photographs of Carex parryana ssp. idahoa 25 

 Appendix B. Photographs of Carex parryana 



ssp. idahoa habitat 26 

 Appendix C. Location of Carex parryana 



ssp. idahoa sites 27 

 Appendix D. Habitat and Grazing Response of 



Carex parryana ssp. idahoa in Montana 28 

 Appendix E. Element occurrence records for 



Carex parryana ssp. idahoa 



