Bower, F. O. <br/><br/>
The Ferns (filicales) :   Treated comparatively with a view to their natural classification / 
F. O. Bower. 
 - Reprinted ed. 
 - New York :   Cambridge University Press,  c 1963. 
 - Vols. :  ill. ;  24 cm. 
<br/><br/>V. 1-Analytical examination of the criteria of comparison ; 
<br/><br/>300  300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta (Vascular seedless plants).
<br/><br/><label>Dewey Class. No.: </label>587.31 / B677f