Jeffrey, C. <br/><br/>
An introduction to plant taxonomy / 
C. Jeffrey 
 - 2nd. ed. 
 - Cambridge :  Cambridge University Press,  1982 
 - (154) p. ;  22 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>0521245427 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Classification