Jones, David Alwin <br/><br/>
Variation and adaptation in plant species 

 - London  Heinemann Educational Books  1971 
 - vii, 184p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>LC Class. No.: </label>QH406.J58