Clayton W. D. <br/><br/>
A revision of the genus hyparrhenia 

 - London  H. M. Stationery Office  1969 
 - 196p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tropical plants
<br/><br/><label>LC Class. No.: </label>QR474.5.C3