Hale, Mason E. <br/><br/>
How to know the lichens 
[by] Mason E. Hale. 
 - Dubuque, Iowa  W. C. Brown Co.  [1969] 
 - vii, 226 p.  illus.  22 cm. 
 - Pictured key nature series .
<br/><br/> 920313 
<br/><br/><label>LCCN: </label>72089535  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lichens--Identification.--North America
<br/><br/><label>LC Class. No.: </label>QK587  / .H25 
<br/><br/><label>Dewey Class. No.: </label>589/.1/097