2 . Aqropyron spicatum well represented 3 



2. Aqropyron spicatum poorly represented or absent 5 



3. Artemisia pedatif ida well represented 



.... Artemisia pedatif ida / Aqropyron spicatum 



3. Artemisia pedatif ida poorly represented or absent 4 



4. Artemisia nova well represented 



.... Artemisia nova / Aqropyron spicatum 



4. Artemisia nova poorly represented or absent; A_^ tridentata 

 well represented . . . Artemisia tridentata / Aqropyron spicatum 



5. Sarcobatus vermiculatus or Atriplex conf ertif olia well 

 represented 6 



5 . Sarcobatus vermiculatus and Atriplex conf ertif olia both 

 poorly represented or absent 8 



6. Atriplex conf ertif olia well represented 



.... Artemisia tridentata - At rip lex conf ertif olia 



6. Atriplex conf ertif olia poorly represented or absent 7 



7. Atriplex nuttallii well represented 



.... Sarcobatus vermiculatus / Atriplex nuttallii 



7 . Atriplex nuttallii poorly represented or absent 



.... Sarcobatus vermiculatus - Artemisia tridentata 



8 . Atriplex nuttallii well represented 9 



8. Atriplex nuttallii poorly represented or absent 12 



9. Artemisia pedatif ida well represented 



.... Artemisia pedatif ida - Atriplex nuttallii 

 9. Artemisia pedatif ida poorly represented or absent 10 



10. Monolepis nuttalliana well represented 



.... Atriplex nuttallii / Monolepis nuttalliana 



10. Monolepis nuttalliana poorly represented or absent 11 



11. Artemisia spinescens well represented 



.... Atriplex nuttallii - Artemisia spinescens 



11. Artemisia spinescens poorly represented or absent 



.... Artemisia tridentata / Atriplex nuttallii 



12. Aqropyron smithii and/or A_^ dasystachyum well represented 



.... Artemisia tridentata / Aqropyron smithii 

 12 . Aqropyron smithii and/or A^ dasystachyum poorly represented 

 or absent Artemisia tridentata / St ipa comata 



C. KEY TO GRASSLAND TYPES 



1. Festuca idahoensis v.'ell represented 



.... Festuca idahoensis - Aqropyron caninum 

 1. Festuca idahoensis poorly represented or absent 2 



77 



