Davis, H.P. and Cullen, J. <br/><br/>
The identification of flowering plant families. 

 - 3rd edt. 
 - New York:  Cambridge university press,  1989. 
 - x, 133 p:  19 cm. 
<br/><br/><label>ISBN: </label>05521377072 
<br/><br/><label>Dewey Class. No.: </label>QK 495 DI 1989.