]> GH barcode-00046915 United States of America Arizona On face of conglomerate cliff, above San Francisco River bank, S. Clifton Perityle ambrosifolia Greene ex A. M. Powell & Yarborough Greene ex A. M. Powell & Yarborough 2010-08-16 16:41:40 B. Maguire, B. L. Richards, Jr. & T. Moeller