Clapham, A. R. <br/><br/>
Flora of the British isles. Part. II  rosaceae-polemoniaceae 

 - Cambridge  Cambride University Press  1960 
 - v, 119 
<br/><br/> Plates included 
<br/><br/><label>Universal Decimal Class. No.: </label>581.9(41/42)  / C41