Knobel, Edward,  1839- <br/><br/>
Field guide to the grasses, sedges and rushes of the United States / 
Edward Knobel ; rev. by Mildred E. Faust. 
 - New York :  Dover Publications,  1977. 
 - 83 p. :  ill. ;  21 cm. 
<br/><br/> Fakulti Agro-Industri dan Sumber Asli  Includes index. 
<br/><br/><label>ISBN: </label>048623505X 9780486235059 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cyperaceae--Identification.--United States<br/>Grasses--Identification.--United States<br/>Juncaceae--Identification.--United States