Davis, P. H.  <br/><br/>
The identification of flowering plant families, including a key to those native and cultivated in north temperate regions /  
P. H. Davis, J. Cullen. 
 - 2nd ed. 
 - Cambridge :   Cambridge University Press,   1979. 
 - 113 p. 
<br/><br/><label>ISBN: </label>0521221110 0521293596 
<br/><br/><label>LCCN: </label>78008125  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Angiospermas--Identificação.<br/>Flores--Identificação.
<br/><br/><label>Dewey Class. No.: </label>582.1309123