Parson, Frances Theodora. <br/><br/>
How to know the ferns  : a guide to names, haunts, and habits of our common ferns 

 - New York :  Dover,  1961 
 - 215 p.  : ilus. 
<br/><br/><label>LCCN: </label>37537 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helechos.
<br/><br/><label>Dewey Class. No.: </label>587.31  / P3