Trees of North America and Europe. 

 - 244 p.  ill. 
<br/><br/><label>ISBN: </label>0-394-50259-0  hardback 0-394-73541-2  paperback 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--Identification<br/>Trees--Identification--Canada<br/>Trees--Identification--Europe<br/>Trees--Identification--United States