Alston, A. H. G. (Arthur Hugh Garfit) <br/><br/>
The ferns and fern-allies of west tropical Africa :  being a supplement to the second edition of The flora of west tropical Africa / 
by the late A.H.G. Alston. 
 - London :  Crown Agents for Oversea Governments and Administrations,  1959. 
<br/><br/> Supplement to the second edition of Flora of west tropical Africa by J. Hutchinson and J. M. Daziel, revised by R. W. J. Keay.  Includes index. 
<br/><br/>Bibliography: p. 3. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany -- Africa, West.--Botany -- Africa, West.<br/>Ferns -- Africa, West.--Ferns -- Africa, West.