]> GH barcode-00378737 United States of America California vicinity of spring at fork to Painters Flat on east side of Observation Peak, 28 km (17.4 mi) east of Ravendale and 22.5 km (14 mi) airline distance. T34N, R17E, S30 Barbarea orthoceras Ledebour Ledebour 2012-08-01 13:30:58 N. H. Holmgren & P. K. Holmgren