Piperno, Dolores R.  1949- <br/><br/>
The silica bodies of tropical American grasses :  morphology, taxonomy, and implications for grass systematics and fossil phytolith identification / 
Dolores R. Piperno and Deborah M. Pearsall. 
 -- Washington, D.C. :   Smithsonian Institution Press,   1998. 
 - iii, 40 p. :  ill. 
 (Smithsonian contributions to botany ; ; 85).
 - Smithsonian contributions to botany ;  85 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gramíneas--Citotaxonomia--America Latina<br/>Gramíneas fósiles--Identificación<br/>Fitolitos
<br/><br/><label>Universal Decimal Class. No.: </label>582.667