Ayensu, Edward S. <br/><br/>
Leaf anatomy and systematics of new world velloziaceae / 
Edward S. Ayensu. 
 - Washington, D.C. :  Smithsonian Institution Press,  1974. 
 - v, 125 p. : 
 - Smithsonian contributions to botany ; no. 15 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Velloziaceae.<br/>Leaves--Anatomy.<br/>Botany--United States.