U.S.A., South Dakota, Lawrence, Black Hills; on submerged rocks in Spearfish Creek, Ice Box Canyon, 4 miles S.W. of Cheyenne Crossing, 12.5 miles S.W. of Lead on U.S. Highway 85.
44.297469 -103.867862 +-615m.
1900 meters (6232ft)
Lichenes Exsiccati Distributed by the University of Colorado Museum, Boulder; William A. Weber, Curator|40