Infraspecific classification of wild and cultivated plants 

 - Oxford:  Clarendon,  1986. 
 - xiv,435p.;  24cm 
<br/><br/><label>ISBN: </label>0-19-857701-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants
<br/><br/><label>Dewey Class. No.: </label>581  / INF