Parihar, N. S. <br/><br/>
An Introduction to Embryophyta Pteridophytes 
Volume II 
 - Allahabad  Central Book Depot  1993 
 - 331 
<br/><br/><label>Publisher. No.: </label> Book N Books 
<br/><br/><label>Subjects--Personal Names: </label> Botany 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany