Kew index for 1989 :  names of seed-bearing plants, ferns, and fern allies at the rank of family and below published during 1989 with some omissions from earlier years / 
compiled by R.A. Davies and K.M. Lloyd 
 - 174 p. :  il. ;  23 cm. 
<br/><br/><label>ISBN: </label>0198542836 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SEMILLAS--CLASIFICACION.
<br/><br/><label>Dewey Class. No.: </label>575.68  / K4 1989