Carex vesicaria L.

Native

Bladder-sedge is a perennial herb of wet habitats, mainly mesotrophic and at least slightly basic, occurring where the water table lies close to or above the soil surface. It is found by lakes, rivers, streams, ponds and canals, in marshes and swamps, ditches, wet meadows and depressions in pasture, and in wet woodland. It also colonises wet hollows in disused sand-, gravel- and clay-pits (M. J. Y. Foley & M. S. Porter in Preston et al, 2002).

In Norfolk, though it has been widely scattered across the county in the past, since 2000 Bladder-sedge has only been recorded at five sites within two 10 km squares in West Norfolk.