TABLE OF CONTENTS 



Page 



I. SPECIES INFORMATION 



1. Classification and nomenclature I 



2. Present legal or other formal status 2 



3. Description 5 

 ^. Significance 7 



5. Geographical distribution 7 



6. General environment and habitat description 17 



7. Population biology of the taxon 21 



8. Population ecology of the taxon 25 



9. Current land ownership and management responsibility 26 



10. Management practices and experience 26 



11. Evidence of threats to survival 27 



II. ASSESSMENT AND RECOMMENDATIONS 



IS. General assessment of vigor» trendsi and status 28 



13. Recommendations for listing or status change 28 



1^. Recommended critical habitat 29 



15. Conservation/recovery recommendations 29 



16. Interested parties 30 



III. INFORMATION SOURCES 



17. Sources of information 31 



18. Summary of materials on file 32 



IV. AUTHORSHIP 



19. Initial authorship 33 



20. Maintenance of status report 33 



V. NEW INFORMATION 



21. Record of revisions 33 

 LITERATURE CITED 3^ 



APPENDIX A: Letter from Crow Tribal Council 36 



APPENDIX B: Element occurrence print-outs: Montana 38 



