Gould, Frank W. <br/><br/>
Grass systematics / 
[by] Frank W. Gould. 
 - New York :  McGraw-Hill,  [1968]. 
 - xi, 382 p. :  ill., maps. 
<br/><br/><label>ISBN: </label>070238480 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grasses--Classification.