Singh, V <br/><br/>
Text book of botany diversity of microbes and cryptogams 

 - 3rd 
 - Meerut  Rastogi Publication  2004 
 - 455 
<br/><br/><label>ISBN: </label>81-7133-660-4 
<br/><br/><label>Dewey Class. No.: </label>586 S164D