Image: Cirsium hydrophilum hydrophilum
Description: Cirsium hydrophilum var. hydrophilum — Critically Endangerd species of thistle. Endemic to California, in the San Francisco Bay Area and the Sacramento-San Joaquin River Delta. USFWS photo, no copyright
Title: Cirsium hydrophilum hydrophilum
Credit: http://ecos.fws.gov/docs/five_year_review/doc2400.pdf
Author: Valary Bloom
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
Image usage
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