Goldblatt, Peter. <br/><br/>
The woody iridaceae  : nivenia, klattia & witsenia : systematics, biology & evolution 

 - Portland, Oregon :  Timber Press,  1993 
 - 139 p.  : ilus. 
<br/><br/><label>LCCN: </label>41523 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Iridáceas.
<br/><br/><label>Dewey Class. No.: </label>584.24  / G6