Anderson, Wood Powell <br/><br/>
Perennial weeds  characteristics and identification of selected 
Wood Powell Anderson 
 - Ames (Iowa)  Iowa State University Press  1999 
 - 228 p.  il n.  24 cm 
<br/><br/><label>ISBN: </label>0813825202 
<br/><br/><label>Subjects--Index Terms: </label>Escarda Identificacion Malezas Malezas perennes