Challis K M & Davies R A  Comp <br/><br/>
Index Kewensis  Supplement 20  Jan 1991 To End Of 1995 

 -  Royal Botanic Gardens, Kew 
 - pp 338;   30*24 
<br/><br/><label>Dewey Class. No.: </label>I5:11/N96/B22414