Perring, F.H. <br/><br/>
Critical supplement to the atlas of the British flora  F.H. Perring. 

 - London  Thomas Nelson  1968 
 - 159p.: ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany.
<br/><br/><label>Dewey Class. No.: </label>581.942084  / P40C