Mickel, John. <br/><br/>
How to know the ferns and fern allies 
John T. Mickel ; [illustrated by Edgar M. Paulton]. 
 - Dubuque, Iowa  W. C. Brown Co.  c1979. 
 - xi, 229 p.  ill.  24 cm. 
 - The Pictured key nature series .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 217-218. 
<br/><br/><label>ISBN: </label>0697047709 0697047717 pbk. 
<br/><br/><label>LCCN: </label>78057876  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns--Identification.--North America<br/>Pteridophyta--Identification.--North America
<br/><br/><label>LC Class. No.: </label>QK524.5  / .M52 
<br/><br/><label>Dewey Class. No.: </label>587/.3/097