Gifford, Ernest M. <br/><br/>
Morphology and evolution of vascular plants / 
Ernest M. Gifford, Adriance S. Foster. 
 - 3rd ed. 
 - New York :  W. H. Freeman,  1989. 
 - 626 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0716719460 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Morphology.<br/>Plants.