Three-toothed cinquefoil is a threatened species in Connecticut.
- Synonyms: Potentilla tridentata, Sibbaldia tridentata
- Family: rose (Rosaceae)
- Habitat: sunny rocks, acid soil
- Height: 1-8 inches
- Flower size: 1/2 inch
- Flower color: white
- Flowering time: June to August
- Origin: native
Photographed in late June in Shenandoah National Park, Virginia.
The name "three-toothed cinquefoil""comes from the three teeth at the tip of each leaflet.