Ertman, Gunner <br/><br/>
Pollen morphology and plant taxonomy. Vol.1 

 - New York  Hafner Publishing Company  1966 
 - xii,553p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollen
<br/><br/><label>LC Class. No.: </label>QK658.E722 Vol.1