Stace, Clive A. <br/><br/>
Plant taxonomy and biosystamatics  Clive A. Stace. 

 - 2nd ed. 
 - London  Edward Arnold  1989 
 - vii, 264p., ill.photos 22cm. 
<br/><br/><label>ISBN: </label>0-7131-2955-7. 
<br/><br/><label>Dewey Class. No.: </label>582,  / S67P