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Northern bog sedge is a very fine grass-like perennial that grows in patches. Stems occur scattered along thread-like rhizomes and are 2-30 cm tall. Leaves are wispy and less than 1 mm wide. Stems have one flower/fruit cluster (spike) at their apex. These spikes vary from being composed of entirely male flowers, entirely female flowers, or having male flowers above and female flowers below. Frui...

Big-leaf Sedge is a perennial grass-like plant with a single or several sharply triangular stems, 5-10 dm tall, which arise together from creeping rhizomes. The flat leaves, 8-20 mm wide and up to 5 dm long, are distributed evenly along the stem. Foliage is glabrous. Flowers are clustered in cylindical spikes, 4-10 cm long, and arise from the axils of the smaller upper leaves (bracts). A single ...