S Lesicat Peter 

 bHJ*121 The effects of 

 Nllecsc cryptogamic soii 

 lyyi crust on the 



popula t ion 



dynamics of Arabis 



Fecunda 



MONTANA STATE LIBRARY 



S583.121 Nllecsc 1991 c.1 Lesica 

 The etfecis ol cryptogamic soil crust on 



3 0864 00078502 5 



STATE DnnilWFNTS COLLECTION 



SEP C 2 1992 



MONTANA STATE LIBRARY 



1515 E- 6th AVE. 

 HELENA, MONVANA 59620 



THE EFFECTS OF CRYPTOGAMIC SOIL CRUST 



ON THE POPULATION DYNAMICS OF 



ARABIS FECUNDA (BRASSICACEAE) 



Prepared for: 



The Montana Natural Heritage Program 



State Library 



1515 East Sixth Avenue 



Helena, Montana 59620 



Prepared by: 



Peter Lesica 



Division of Biological Sciences 



University of Montana 



Missoula, Montana 59812 



and 



J. Stephen Shelly 



Montana Natural Heritage Program 



State Library 



1515 East Sixth Avenue 



Helena, Montana 59620 



January, 1991 



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