Bower, F O <br/><br/>
Ferns-Filicales, Vol.2: The eusporangiatae and other relatively primitive ferns 

 -  Cambridge University Press, Cambridge  1926 
 - 342 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta; Botany
<br/><br/><label>Dewey Class. No.: </label>PG 587  BOW-F.2