B Figure 1. Number of Astraqalua acaphoides plants in three size classes at two 

 study sites in 1987-91. 



Sheep Corral Gulch 



250 

 200 

 150 

 100 

 50 



1987 1988 1989 1990 1991 

 Yea 



Haynes Creek 



Smal 



Sterile 



I I 



RefO 



1987 1988 1989 1990 1991 

 Year 



SnxjJ 



Stefte 



I I 



Repro 



