]> GH barcode-00072400 United States of America California Open seepage below timberline on a west-facing, steep and rocky serpentine slope, upper end of Rattlesnake Meadows, Preston Peak, 41°49.8'N, 123°38'W, 5700 feet Arabis serpentinicola Rollins Rollins 2010-08-16 16:36:05 C. A. Ground & G. J. Muth