Nowicke, Joan W. <br/><br/>
Pollen morphology and the relationship of the Plumbaginaceae, Polygonoceae, and Primulaceae to the order Centrospermae 

 - Washington :  Smithsonian Institution,  1977 
 - 64 p.  : ilus. 
 - Smithsonian contributions to botany  ; 37 .
 - Smithsonian contributions to botany  ; 37 .
<br/><br/><label>LCCN: </label>33117 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Centrospermas.<br/>Plumbagináceas.<br/>Polen--Morfología.<br/>Primuláceas.