United States, California, San Diego, Palomar Mountain State Park. Lower Doane Valley along French Creek 500 m north of weir.
33.35167 -116.91389
33.00° 21.00m 6s N; 116.00° 54.00m 50s W
SD dup is L. turionifera
Dec 12, 2008
1409 meters
4622ft.
Growing in water of Emergent wetland with open habitat. Slope to 5 degrees; soils silty loam, orientation south to south-west in full sun. Associated plants: Equisetum sp., Lotus oblongifolius.
Annual floating herb to 1cm in diameter. Leaves deep green.