Howard Gene S. <br/><br/>
Atlas of Epidermal Plant Fragments Ingested by Grazing Animals  

 - North America, USA  United States Department of Agriculture 
 - 143 p. :  ills, graphs, figs  27cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants, Grazing, Forage PLants--Epidermis, Research, Identification
<br/><br/><label>Gov. Doc. Class. No.: </label>US/DA/SEA TB- 1582