Alston, A H G <br/><br/>
Ferns and fern - allies of West tropical Africa 

 - London:   Governments of Nigeria,    1959 
 - vii, 89p. 
<br/><br/> A supplpement to the second edition of the flora of West tropical Africa 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns
<br/><br/><label>Subjects--Index Terms: </label>Trichomanes 
<br/><br/><label>Universal Decimal Class. No.: </label>582.394(66)  / J9