00315nam a2200109Ia 4500008004100000082002400041100004000065245003100105260004000136300001500176650001400191140113s9999 xx 000 0 und d a084:581.9(41-44) K2 a"Perring, F. H.and Walters, S. M." aAtlas of the British Flora b"Thomas Nelson and Sons Ltd., 1962" aXXIV; 432P aGeography