]> FH barcode-00259540 United States of America New York Long Island, RTown of Southhampton, Sag Harbor, open oak woods from ca. 500 ft. WSW of Round Pond to ca. 300 ft. NW of N end of Round Pond Road, along old sand trail Cetraria arenaria Kärnefelt Kärnefelt 2010-08-16 16:37:57 R. Dirig