Erdtman G <br/><br/>
Pollen and spore morphology Plant taxonomy 
Erdtman G 
 - New York       Ronal Press         1957 
 - 151p.  cm. 
<br/><br/><label>Standard No.: </label>50830 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Flowering plant<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I5,166:2, J7-;2