Standley, Paul C  <br/><br/>
Trees and shrubs of Mexico  
/ Contributions from the united states national herbarium Volume 23, Part 4  
 - Washington:   Government Printing Office,   1924  
 - xxxix, 1312p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shrubs 
<br/><br/><label>Subjects--Index Terms: </label>Plant  
<br/><br/><label>Universal Decimal Class. No.: </label>581.9(72)  / F4.23