Pickerel Weed, or Pontederia is a genus of tristylous aquatic plants. It is endemic to the Americas, distributed from Canada to Argentina, where it is found in shallow water or on mud. These plants are efficient biological filters of polluted water in constructed wetlands. This plant grows in a mill pond on Indian Brook, Clare, Digby County, just below Cornings Lake.
Sony A-900 – Tamron 70-200mm – f 2.8 – 120mm – ISO 200 – f22 – 1/8.