Image: Barrel cactus flowers - closeup

Description: Ferocactus acanthodes = Ferocactus cylindraceus. Close view of delicate greenish yellow blossoms in cactus spines.
Title: Barrel cactus flowers - closeup
Credit: This image originates from the National Digital Library of the United States Fish and Wildlife Service at this page This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. See Category:Images from the United States Fish and Wildlife Service.
Author: Dr. Thomas Barnes/Universtiy of Kentucky
Permission: This image or recording is the work of a U.S. Fish and Wildlife Service 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. For more information, see the Fish and Wildlife Service copyright policy.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No