Christensen, J. J. <br/><br/>
Corn smut caused by Ustilago maydis 

 - (s.l.) :  American Phytopathological Society 
 - 41 p.  : ilus 
 - Monograph  ; 2 .
 - Monograph  ; 2 .
<br/><br/><label>LCCN: </label>23617 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cuitlacoche.<br/>Maíz--Enfermedades.