Grierson, A. J. C. <br/><br/>
Flora of Bhutan  
/ A.J.C. Grierson & D.G. Long. 
 - Edinburgh :   Royal Botanic Garden,  1991. 
 - v.2, part.1; 426 p.  illustration;  20 cm. 
<br/><br/><label>ISBN: </label>1872291023 
<br/><br/><label>Dewey Class. No.: </label>582.13095498 GRI