United States, California, Siskiyou, Along the west edge of the Shasta River, about 120 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. T43N R05W S09 NW1/4
Riparian Corridor surrounded by Western Juniper Woodland. Normal size plants on shallow calm water, mixed with Lemna gibba. Common. Plants reddish-purple.