Botany for degree students: Pteridophyta/ 
Vashishta, B. R. 
 - New Delhi:  S Chand & Co.,  2012. 
 - 628 p. 
<br/><br/><label>ISBN: </label>9788121927857 
<br/><br/><label>Dewey Class. No.: </label>587  / VAS/B