Description: Similar to the bladder sedge (with which it occasionally hybridizes) but rather commoner. A characeteristic species of lake margins, swamps, drainage ditches.

All names: Carex rostrata Stokes; Carex ampullacea Gooden.; Carex inflata auct.

Distribution Map from NBN: Carex rostrata at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Carex rostrata at iNaturalist World Species Observations database.