Trease and evans pharmacognosy / 
[edited by] William Charles Evans. 
 - 16th  ed. 
 - London :  Elsevier,  2009. 
 - ix, 603  p. 
<br/><br/><label>ISBN: </label>0702029349 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PPharmacognosy.