sentences:  Alder carr occurs on the juttland into the lake at its northwestern side.Freshwater marsh/fen vegetation, with such species as purple moor-grass ("Molinia caerulea"), bottle sedge ("Carex rostrata"), black bog-rush ("Schoenus nigricans"), and marsh cinquefoil ("Potentilla palustris"), occurs in certain areas near the lake; one such area supports a population of rare round-leaved wintergreen ("Pyrola rotundifolia" subsp.