Complex sentence: Its habitat is confined to very local damp, lime-rich places, in long herbage (fens and limy marshes) in eastern and northern England; it is also found in damp hollows with limestone soils in western Ireland.
Split into simpler sentences: Its habitat is confined to very local damp, lime-rich places, in long herbage (fens and limy marshes). In the British Isles, it is rare, confined to eastern and northern England and damp hollows with limestone soils in western Ireland.