Clapham, A.R., Tutin, T.G., Warburg, E.F.  <br/><br/>
The flora of British Isles  (Book) 

 - Cambridge  Cambridge University Press  1952 
 - 1591 p.  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Great Britain
<br/><br/><label>Universal Decimal Class. No.: </label>581.9(41) CLA  / 13540