Nowicke, Joan W. <br/><br/>
Pollen morphology and phylogenetic relationships of the Berberidaceae / 
Joan W. Nowicke and John J. Skvarla. 
 - Washington :  Smithsonian Institution Press,  1981. 
 - Smithsonian contributions to botany ;  no. 50 .
<br/><br/>Bibliography: p. 28-30. 
<br/><br/><label>LCCN: </label>80021960 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Berberidaceae.<br/>Palynotaxonomy.
<br/><br/><label>LC Class. No.: </label>QK1  QK495.B45  / .S2747 no. 50 
<br/><br/><label>Dewey Class. No.: </label>581 s  583/.117