]> GH barcode-01749027 United States of America Pennsylvania Ohio Township; NW of the city of Pittsburgh and ENE of city of Sewickley; 0.16 km E of Interstate route 79 on Mt. Nebo Road, then 1.6 km (1 mile) N on Mud Hollow Road. Sisyrinchium atlanticum E. P. Bicknell E. P. Bicknell 2020-12-02 08:26:34 D. E. Boufford [data not captured]