Mohlenbrock, Robert H.,  1931- <br/><br/>
Ferns 
[by] Robert H. Mohlenbrock. 
 - Carbondale,  Southern Illinois University Press  [1967] 
 - xv, 191 p.  illus., maps.  23 cm. 
 - The Illustrated flora of Illinois .
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns--Illinois.
<br/><br/><label>LC Class. No.: </label>QK525.5.I4  / M6 
<br/><br/><label>Dewey Class. No.: </label>587/.31