Silverweed
Argentina anserina · Aquatic plants
Whole plant · Photo: Yurii Basov / CC BY
Also called Common silverweed, Potentilla anserina
How to identify Silverweed
- Low plant spreading by red runners
- Featherlike leaves of many toothed leaflets, silvery white underneath
- Single bright yellow five petaled flowers on their own stalks
Similar plants
Most other cinquefoils are upright plants without runners and carry several flowers per stem; marsh cinquefoil has purple flowers.
Growth profile
| Growing season | Grows from spring to fall and flowers May to August. |
|---|---|
| Starts growing | Spring |
| Light | Full sun |
| Depth | Moist banks and seasonally flooded shores |
| How it spreads | Runners and seeds |
| Habitat | Moist, often alkaline pond and lake shores, wet meadows, gravel bars and irrigation ditches. |
Why it matters in a lake
A low native ground cover that binds moist shoreline soils, common around alkaline ponds. Harmless.
Where it is found
- Idaho: Common
- Oregon: Common
- Wyoming: Common
Classification
| Kingdom | Plantae |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Scientific name | Argentina anserina |
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