American sloughgrass
Beckmannia syzigachne · Aquatic plants
Flowers or seeds · Photo: Matt Berger / CC BY
Also called Sloughgrass
How to identify American sloughgrass
- Grass 1 to 3 feet with flat leaves
- Narrow head of round, flat spikelets in rows like fish scales
- Soft, light green stems
- Clumped annual or short lived
Similar plants
Shortawn foxtail has cylindrical fuzzy heads; mannagrasses have open heads.
Growth profile
| Growing season | Grows from spring, flowers June to August and dies by fall. |
|---|---|
| Starts growing | About 45 to 50 F soil |
| Light | Full sun |
| Depth | Moist shoreline to about 1 foot of water |
| How it spreads | Seeds |
| Habitat | Shallow ponds, ditches, marsh edges and wet meadows. |
Why it matters in a lake
Common in seasonal ponds; seeds feed waterfowl.
Where it is found
- Idaho: Occasional
- Oregon: Occasional
- Wyoming: Occasional
Classification
| Kingdom | Plantae |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Poales |
| Family | Poaceae |
| Scientific name | Beckmannia syzigachne |
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
