Kapp, Ronald O. <br/><br/>
How to know pollen and spores 

 - Dubuque, Iowa :  Brown,  1969 
 - 249 p.  : ilus. 
 - The pictured key nature series .
 - The pictured key nature series .
<br/><br/><label>LCCN: </label>26706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Esporas.<br/>Polen--Morfología.
<br/><br/><label>Dewey Class. No.: </label>581.1662  / K3