Petalonyx thurberi A. Gray

Description: English: Petalonyx thurberi Courtesy of USDI BLM. United States, NV, Clark Co. August 2003. Source: http://plants.usda.gov/java/largeImage?imageID=peth4_001_ahp.jpg. Author: Unknown authorUnknown author. Permission(Reusing this file): Public domainPublic domainfalsefalse. : This image is a work of a Bureau of Land Management* employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. *or predecessor organization :.