2 . Chrysothamnus nauseosus common 



.... Chrysothamnus nauseosus / Eriogonum brevicaule 



2 . Chrysothamnus nauseosus scarce or absent 



3. Carex rupestris well represented 



.... Carex rupestris / Potent ilia ovina 

 3. Carex rupestris poorly represented or absent 



.... Aqropyron spicatum / cushion plant 



78 



