Greater Pond-sedge - Carex riparia
Tall, tussock forming plant reaching 100 to 150 cm in height. Spreading by strong rhizomes. Leaves quite erect and fairly broad (6 to 15 mm wide). Male spikelets 3 to 6 being 2 to 6 cm long, brown. Female spikelets are 3 to 10 cm by 10 to 12 mm wide.
Carex acutiformis and other aquatic sedges
Ponds, marshy areas, wet ditches and stream sides.
Fruiting June to September.
Perennial.
Common in most of Britain, scarcer in Scotland and absent in the north of that country.
Fairly frequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 176 of the 617 tetrads.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
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Species profile
- Common names
- Greater Pond-sedge, Great Pond-Sedge
- Species group:
- flowering plant
- Kingdom:
- Plantae
- Order:
- Poales
- Family:
- Cyperaceae
- Records on NatureSpot:
- 60
- First record:
- 21/06/2001 (Jane McPhail;John Kramer)
- Last record:
- 16/05/2025 (Calow, Graham)
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% of records within its species group
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Farysia thuemenii
The smut fungus Farysia thuemenii infects some, but not all, female flowers of Greater Pond-sedge and Pendulous sedge, within the inflorescence, producing masses of olivaceous brown spores and long, pale, straw-coloured elaters conspicuously projecting from the female spikes. Spores are 6-11 µm x 4-6 µm and are finely verruculose.


















