Perry, A. Roy. <br/><br/>
Mosses and liverworts of woodland :   a guide to some of the common est species /  
A. Roy Perry. 
 - Cardiff :   National Museum of Wales,   1992. 
 - 40 p. :    ill. ;    21 cm. 
 - British plant life ;   no. 1 .
<br/><br/>  Includes index. 
<br/><br/><label>ISBN: </label>0720003628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant communities.--------
<br/><br/><label>Dewey Class. No.: </label>P 581.782 P48