Lesser Pond Sedge

Carex acutiformis

"Carex acutiformis", the lesser pond-sedge, is a species of sedge.
Lesser Pond Sedge - Carex acutiformis Kasteelpark Arenberg, Heverlee. 
https://waarnemingen.be/species/6533/photos/? Belgium,Carex acutiformis,Carex_acutiformis,Geotagged,Spring

Appearance

It grows up to 150 centimetres tall, with leaves up to 160 cm long and 5–20 mm wide.

Habitat

It is native to parts of northern and western Europe, where it grows in moist spots in a number of habitat types. In its native European range this species is often associated with the "Juncus subnodulosus"–"Cirsium palustre" fen-meadow habitat. It is also a dominant plant in the "Carex acutiformis" swamp plant association.

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassMonocots
OrderPoales
FamilyCyperaceae
GenusCarex
SpeciesC. acutiformis
Photographed in
Belgium