Wax, Loyd M. <br/><br/>
Weeds of the North Central States 

 - 303 páginas  23 x 15 cm 
<br/><br/> Bulletin 772. University of Illinois at Urbana-Champaign, College of Agriculture, Agricultural Experiment Station 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estados Unidos de America<br/>Malezas<br/>Flora Adventicia