Aggarwal Satish Kumar <br/><br/>
Taxonomy of bidens linn, section psilocarpaea DC. in India    An experiment an approach 

 -  1973 
<br/><br/><label>Standard No.: </label>8490 
<br/><br/><label>Source: </label> Dissertations 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANY