Pandey S.N; Trivedi P.S <br/><br/>
Textbook of botany 

<br/><br/> Reprint 1985. 
<br/><br/><label>ISBN: </label>SL0938142 
<br/><br/><label>Standard No.: </label>196073 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>I, L7.1;1