Oxford encyclopedia of trees of the world/ 
consultant editor, Bayard Hora. 
 - Oxford:  Oxford University Press,  1981. 
 - 288 p. :   ill. ;   29 cm. 
<br/><br/><label>ISBN: </label>0192177125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--Dictionaries.