Tryon, Rolla M. <br/><br/>
Ferns and allied plants :  with special reference to tropical America / 
Rolla M. Tryon, Alice F. Tryon ; Halitat photography principally by Walter H. Hodge. 
 - New York :  Springer-Verlage,  1982. 
 - xii, 857 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>038790672 054090612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns--America.<br/>Ferns--Tropics.
<br/><br/><label>LC Class. No.: </label>QK524.4  / T78 1982