Camus, Josephine M. <br/><br/>
A world of ferns / 
Josephine M. Camus, A. Clive Jermy [and] Barry A. Thomas. 
 - London :  Natural History Museum,  c1991. 
 - 112 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0565011200 
<br/><br/><label>LCCN: </label>92013011     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns--Pictorial works.<br/>Ferns.