Tryon Rolla M <br/><br/>
Ferns and allied plants: With special reference to tropical America 

 - New York       Springer-Verlag          1982 
 - xii,857p.  cm. 
<br/><br/><label>Standard No.: </label>51419 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ferns<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I42:11.73, M2