Fanwort is a submerged perennial with fan-like leaves that are branched and attached to the stem on petioles. The leaves are arranged in pairs opposite eachother on the stem. Flowers are small, white, and emergent in late summer. Reproduction can occur by seed or fragmentation.
Confirmed observations of Fanwort submitted to the NYS Invasive Species Database. For more information, visit iMapInvasives
Native to the southern United States, and a popular aquarium plant, fanwort is regionally invasive and found in 3-10 feet of water in acidic lakes, ponds, and quiet streams.
Threats & Impacts:
Fanwort can form extremely dense stands and clog waterways stifling water flow and impairing recreational activities.