TABLE OF CONTENTS 



Paqe 



I . EXECUTIVE SUMMARY l 



II . INTRODUCTION 1 



III . STUDY AREA 1 



IV . METHODS 5 



V . RESULTS 7 



A. OVERVIEW 



B. VERIFIED PLANTS OF SPECIAL CONCERN WITHIN THE COUNTIES; 

 species status and habitat profiles 



1. Annual bursage f Ambrosia acanthicarpa ) 10 



2. Geyer's milkvetch ( Astragalus geyeri ) 15 



3. Roundleaf water-hyssop ( Bacopa rotundif ol ia ) 19 



4. American v/aterwort ( Elatine americana ) 23 



5. Tulip gentian ( Eustoma grandif lora ) 27 



6. Hot spring phacelia ( Phacelia thermalis ) 31 



7. Moss phlox (Phlox andicola ) 35 

 3. Persistentsepal yellowcress ( Rorippa calycina ) 40 



9. Few-flowered goldenrod ( Solidago sparsif lora ) 48 



10. Graceful arrowgrass • 52 

 ( Triglochin concinnum var. debile ) 



VI . DISCUSSION 56 



VII . LITERATURE CITED 57 



