Christensen, Carl, 1872-1942 <br/><br/>
On the ferns of the Seychelles and the aldabra group 

 - London  Jhon Clay  1912 
 - 407-412 p.  il., 1 lám. 
 - Transactions of the Linnean Society of London .
<br/><br/> <Donación: Dr. Juan H. Hunziker>  2nd ser. Zoology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HELECHOS<br/>SEYCHELLES