Woolly fruit sedge
Carex lasiocarpa · Aquatic plants
Flowers or seeds · Photo: Matt Berger / CC BY
Also called Slender sedge, Woollyfruit sedge
How to identify Woolly fruit sedge
- Very narrow, wiry rolled leaves
- Seed sacs covered in fine hairs
- Stems in long lines from rhizomes
- Often grows in floating mats
Similar plants
Beaked sedge has wide leaves and smooth seed sacs; woolly sedge has flat leaves.
Growth profile
| Growing season | Grows from late spring, fruits in midsummer and dies back in fall. |
|---|---|
| Starts growing | About 45 F water |
| Light | Full sun |
| Depth | Saturated mats to about 2 feet of water |
| How it spreads | Rhizomes and seeds |
| Habitat | Bogs, fens and floating mats along lake and pond margins, often in acidic water. |
Why it matters in a lake
Builds floating peat mats along lake edges.
Where it is found
- Idaho: Occasional
- Oregon: Occasional
- Wyoming: Occasional
Classification
| Kingdom | Plantae |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Poales |
| Family | Cyperaceae |
| Scientific name | Carex lasiocarpa |
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
