Grounds, Roger. <br/><br/>
Ferns / 
Roger Grounds. 
 - London :  Pelham Books,  1974. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [253]-254. 
<br/><br/><label>ISBN: </label> L.5.50 
<br/><br/><label>LCCN: </label>75312419 
<br/><br/><label>Nat. Bib. No.: </label>GB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns.<br/>Ferns -- Identification.--Ferns -- Identification.<br/>Ferns -- Varieties.--Ferns -- Varieties.
<br/><br/><label>LC Class. No.: </label>QK522  / .G76 1974 
<br/><br/><label>Dewey Class. No.: </label>587/.31