Scirpus is a genus of grass-like species in the sedge family Cyperaceae many with the common names club-rush, wood club-rush or bulrush. They mostly inhabit wetlands and damp locations.

The Cyperaceae are a family of graminoid, monocotyledonous flowering plants known as sedges. The family contains around 5,500 described species in about 90 genera – the largest being the "true sedges"