United States, California, Siskiyou, between Diamond Lake and Upper English Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P
41.41147 -123.2169 +-544m. NAD27
2011 meters
6600 ft
in gulch
Flowering/Fruiting
Plants from northern portion of range often taller with straighter and more erect siliques."--Rolli