Cladium mariscus

Cladium mariscus is a species of flowering plant in the sedge family known by the common names swamp sawgrass,great fen-sedge,saw-sedge or sawtooth sedge. Previously it was known as elk sedge. It is native of temperate Europe and Asia where it grows in base-rich boggy areas and lakesides. It can be up to 2.5 metres (8 ft 2 in) tall, and has leaves with hard serrated edges.

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