Pandey, S.N., Misra, S.P. and Trivedi, P.S. <br/><br/>
A Textbook of Botany 
Volume II (Bryophyta, Pteridophyta, Gymnosperms and Palaeobotany)  
 - 02 
 - New Delhi  Vikas Publishing House Pvt Ltd  1972 
 - 531 
<br/><br/><label>ISBN: </label>0706902130 
<br/><br/><label>Publisher. No.: </label> Popular Book Depot 
<br/><br/><label>Subjects--Personal Names: </label> Botany 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany