Panicled bulrush
Scirpus microcarpus · Aquatic plants
Flowers or seeds · Photo: fiona / CC0
Also called Smallfruit bulrush, Small fruited bulrush
How to identify Panicled bulrush
- Wide, flat, grasslike leaves
- Large, open, branched cluster of tiny brown spikelets
- Reddish purple leaf sheaths at the base
- Triangular leafy stems
Similar plants
Woolgrass has woolly brown spikelets; mannagrasses have hollow round stems and grass flowers.
Growth profile
| Growing season | Shoots emerge in April and May, flowers June to August, tops die back in fall and rhizomes overwinter. |
|---|---|
| Starts growing | About 45 to 50 F soil |
| Light | Full sun to part shade |
| Depth | Moist shoreline to about 1 foot of water |
| How it spreads | Rhizomes and seeds |
| Habitat | Pond margins, seeps, ditches and slow streams on wet mud; often partly shaded. |
Why it matters in a lake
Common and fast growing along pond edges and ditches; seeds feed waterfowl and songbirds.
Where it is found
- Idaho: Occasional
- Oregon: Occasional
- Wyoming: Occasional
Classification
| Kingdom | Plantae |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Poales |
| Family | Cyperaceae |
| Scientific name | Scirpus microcarpus |
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Baltic rushNeed a hand?
Is it taking over your lake?
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