Pandey, S N, et al. <br/><br/>
Textbook of Botany, Vol.2: Bryophyta, Pteridophyta, Gymnosperms and Palaeobotany / 
Pandey, S N, et al. 
 -  Vikas Publishing House Pvt. Ltd., New Delhi,  1989 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants; Botany
<br/><br/><label>Dewey Class. No.: </label>580 PAN-T.2