pandey , s.n. <br/><br/>
a text book of botany  bryophyta , pteridophyta , gymnosperms and palaeobotany /  [[Book] :] 
s.n. pandey , s.p. misra , p.s. trivedi. 
 - 11 ed. 
 - new dlhi :  Vikas publishing house pvt ltd,  2004. 
 - 644 p. ;  22cm. 
 -  2 .
<br/><br/><label>ISBN: </label>0706996186 
<br/><br/><label>Dewey Class. No.: </label>580