Periyar University <br/><br/>
M.SC;Pteridophytes, Gymnosperms and Paleobotany/ 
Periyar University 
 -  Periyar University, 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>581.31  / PER