Grass 

 - Washington :  Government Printing Office,  1948 
 - 892 p.  : ilus. 
<br/><br/><label>LCCN: </label>12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gramíneas--E.U.A.<br/>Pastos.
<br/><br/><label>Dewey Class. No.: </label>630.5  / Y4 1948