Cullen, J. <br/><br/>
The identification of flowering plant families, including a key to those native and cultivated in north temperate regions / 
J. Cullen. 
 - 4th ed. 
 - Cambridge [England] ;  New York :  Cambridge University Press,   1989. 
 - x, 133 p. :  ill. ;  19 cm. 
<br/><br/> completely rev. and edited ed. of: The identification of flowering plant families / by P.H. Davis,  J. Cullen. 
<br/><br/>Includes bibliographical referencesand index. 
<br/><br/><label>ISBN: </label>052158485x (hb) 0521585503 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Angiosperms--Identification.<br/>Flowers--Identification.
<br/><br/><label>LC Class. No.: </label>QK495.A1  / C85 1997