Catalogue of New World grasses (Poaceae) 
 Catalog of New World grasses (Poaceae) 
by Emmet J. Judziewicz ... (et al.) ; chief editor, Robert J. Soreng. 
 - Washington, DC  Dept. of Botany, National Meseum of Natural History  2000- 
 - v.  26 cm. 
 - Contributions from the United States National Herbarium .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grasses--Classification.--America