James Cullen <br/><br/>
Practical Plant Identification  Including a Key to Native and Cultivated Flowering Plants in North Temperate Regions 

 -  Cambridge University Press  2006 
<br/><br/><label>ISBN: </label>9780521861526 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Flowers<br/> Plants <br/>Angiosperms--Northern Hemisphere--Identification.,Flowers--Northern Hemisphere--Identification.<br/>NATURE