E. D. Marquand noted a mere 18 species of plant here in 1909 , but by the late twentieth century , Frances Le Sueur and David McClintock found 45 , which they wrote up in the `` Transactions of La Société Guernesiaise '' .
E.D. Marquand counted 18 species of plant here in 1909 , but by the late twentieth century Frances Le Sueur and David McClintock found 45 , which they wrote up in the `` Transactions of La Société Guernesiaise '' Other websites .