United States, California, Nevada, Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. T18N R16E S26 NE1/4
Normal size plant, on wet bare disturbed dark soil and in shallow water, strand of Prosser Creek Reservoir. Uncommon, scattered. Flowers blue. Destroyed mountain meadow in yellow pine forest.