Jeffrey  c. <br/><br/>
An introduction to plant taxonomy 

 -  1982 
<br/><br/><label>ISBN: </label>0-521-28775-8 
<br/><br/><label>LC Class. No.: </label>581.02/JEF  / 6 
<br/><br/><label>Dewey Class. No.: </label>581.02/JEF  / 6