Hubbard, C. E. <br/><br/>
Grasses :  a guide to their structure, identification, uses, and distribution in the British Isles / 
by C. E. Hubbard ; with illustrations mainly by Joan Sampson 
 - Revised ed. 
 - Harmondsworth :  Penguin Books,  1968 
 - 463 p. :  ill. ;  19 cm. 
 - Pelican books; A295 .
<br/><br/>Includes bibliographical references and indexes (p. 435-438.) 
<br/><br/><label>LCCN: </label>68-136308 //r882 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grasses--British Isles--Identification