This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Cirsium hydrophilum hydrophilum. Cirsium hydrophilum var hydrophilum Critically Endangerd species of thistle Endemic to California in the San Francisco Bay Area and the SacramentoSan Joaquin River Delta USFWS photo no copyright fws gov pdf Valary Bloom date Template PDUSGovFWS PDUSGov Cirsium hydrophilum Asteraceae in California