Kubitzky, K. <br/><br/>
Pteridophytes and Gymnosperms 

 - New Delhi  Narosa  1991 
 - xii, 404p 
<br/><br/> Families and Genera of Vascular plants, V.1 
<br/><br/><label>ISBN: </label>8185198403 
<br/><br/><label>Dewey Class. No.: </label>581.41  / N91