=LDR 22 4500 =001 1770 =082 04$a581.942 CLA =100 1\$aClapham, A. R. =245 10$aExcursion Flora of the British Isles =260 \\$aLondon :$bCambridge University Press,$c1959 =650 \0$aBooks =700 1\$aTutin, T. G. =852 \\$bFreeman Library$h581.942 CLA