Forest CotiriLinities 

 Number of Species 



10 

 I 



15 

 I 



20 

 I 



25 



30 



I 



35 

 I 



40 

 I 



A5 

 I 



I 



I 



I 



X JUNSCO/ORYMIC 



X PSEMEN/SCHSCO 

 X PINPON/PSESPI 

 I PINPON/JUNSCO 



Shrub I and Conmunities 



10 

 I 



15 



X- 



Grassland Comnunities 



10 

 I 



15 

 I 



20 

 I 



25 

 I 



30 

 I 



35 



40 

 I 



45 



1*1 



I 



I 



-X- 



I 



I 



I. 



--X-- 



I 



PSESPI-POASEC 



X PSESPI-PASSMI 

 X I PASSMI-STIVIR 



PASSMI-BOUGRA 

 STICOM-BOUGRA 

 SCHSCO-MUHCUS 



I. .v.. I 

 I * I 



CALLON-CARINO 



Figure 2. --Species richness (means and standard errors of means) of northeastern Montana plant coaTiunities. 



14 



