Fink Bruce <br/><br/>
Lichen flora of the United States 

 - Ann Arbor   University of Michigan press       1960 
 - xii, 426p.  cm. 
<br/><br/><label>Standard No.: </label>50987 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Lichen<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I27:1.73, K0