Pandey, S N, et al. <br/><br/>
Textbook of Botany 

 -  Vikas Publishing House Pvt. Ltd., New Delhi  1974 
 - 551 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>581  PAN-T