This is a rare sedge found growing on the margins of rivers and lakes, mainly in the Lough Neagh area and the Lagan valley. A tall species (to about 4ft), similar in appearance and size to Carex acutiformis and C. aquatilis.
All names: Carex acuta L.; Carex stricta Gooden., non Lam.; Carex hudsonii A.Benn.