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Inflated sedge

Carex vesicaria · Aquatic plants

Inflated sedge: Flowers or seeds

Flowers or seeds · Photo: Oleg Kosterin / CC BY

NativeEmergent

Also called Blister sedge

How to identify Inflated sedge

  • Clumps of triangular stems 1 to 3 feet
  • Cylindrical spikes with inflated, beaked seed sacs
  • Narrower leaves than beaked sedge
  • Short rhizomes

Similar plants

Beaked sedge is larger with spongy stem bases and long rhizomes.

Growth profile

Growing seasonGrows from spring, fruits in summer and dies back in fall.
Starts growingAbout 45 to 50 F soil
LightFull sun
DepthMoist shoreline to about 1 foot of water
How it spreadsShort rhizomes and seeds
HabitatPond margins, marshes and seasonally flooded shores.

Why it matters in a lake

Common in seasonal wetlands that dry by late summer.

Where it is found

  • Idaho: Occasional
  • Oregon: Occasional
  • Wyoming: Occasional

Classification

KingdomPlantae
PhylumTracheophyta
ClassMagnoliopsida
OrderPoales
FamilyCyperaceae
Scientific nameCarex vesicaria

Need a hand?

Is it taking over your lake?

We identify what is growing, map how much of it there is and build a control plan that targets it without harming the rest of the lake.

Idaho / Wyoming (208) 501-4531Oregon (541) 280-0596