Table B2 .-- (continued) 

 Key to the Abies lasiocarpa Comiaunities 



1. Linnaea borealis common 



ABILAS/LINBOR 

 1. Linnaea borealis scarce or absent; Juniperus communis or Festuca 

 idahoensis the dominant undergrov;th 



ABILAS/JUNCOM 



Key to the Picea spp. Communities 



1. Linnaea borealis common 



PICEA SPP./LINBOR 

 1. Linnaea borealis scarce or absent; Juniperus communis the domi- 

 nant undergrowth 



PICEA SPP./JUNCOM 



Key to the Pseudotsuqa menziesii Communities 



1. Cornus canadensis common 

 PSEMEN/CORCAN 



1. Cornus canadesis scarce or absent — 2 



2. Linnaea borealis common 



PSEMEN/LINBOR 



2. Linnaea borealis scarce or absent -- 3 



3. At least two of the following three forbs present: Viola cana- 



densis, Thalictrum occidentale, or Osmorhiza chilensis 

 PSEMEN/VIOCAN 



3 . Not as above -- 4 



4. Amelanchier alnifolia or Spiraea betulifolia v/ell represented 



PSEMEN/AMEALN 



4. Amelanchier alnifolia or Spiraea betulifolia poorly represented 



or absent — 5 



5. Mahonia repens common 



PSEMEN/MAHREP 



5. Mahonia repens scarce or absent — 6 



6. Arctostaphylos uva-ursi well represented 



PSEMEN/ARCUVA 



6. Arctostaphylos uva-ursi poorly represented or absent — 7 



7. Schizachyrium scoparium well represented 



PSEMEN/SCHSCO 



7. Schizachyrium scoparium poorly represented or absent -- 8 



41 



