Biology of plants/ 
Raven,Peter H. 
 - 7th ed. 
 - New York:  W.H. Freeman and Company Publishers,  2005. 
 - 686 p. 
<br/><br/><label>ISBN: </label>9780716762843 
<br/><br/><label>Dewey Class. No.: </label>580  / RAV/B