United States, California, Butte, Scatterd on edge of Ernies Island, ca. 50 ft s of Humboldt Rd, ca. 1/2 mi e of Butte Meadows.
40.081111 -121.536944 +-402m. NAD83
40§ 4m 52s N; 121§ 32m 13s W
1341 meters
4400ft.
Corolla blue. In flowing water, ca. 2 ft long. Associates: Ranunculus aquatilis var. capillaceus, Pycnanthemum californicum, Mentha arvensis, Heracleum lanatum.
Label says: Medicinal and Edible Plants of Butte County Voucher Specimen.