Featherfoil is an aquatic plant, with submerged, feathery leaves and an inflated flower stalk that rises above the water. It is rare in Connecticut; the state classifies it as a species of special concern.
- Family: primrose (Primulaceae)
- Habitat: shallow water in ponds and slow streams
- Height: 2-6 inches above the surface of the water
- Flower size: 1/8 inch across
- Flower color: white
- Flowering time: May to August
- Origin: native