United States, California, Plumas, Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., just upstream from the S boundary of the park. T30N R05E S30 SW1/4 of SE1/4
40.424722 -121.465833 +-3219m. NAD83
1987 meters
6520ft.
Red Fir Forest. In wet gravel along the edge of the creek.