Heywood, V.H <br/><br/>
Plant taxonomy 

 - London  Edward Arnold  1967 
 - [4],60 p.  Illustration 
 - Studies in Biology, No.5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANY
<br/><br/><label>Dewey Class. No.: </label>581.0724  / HEY