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:
Callithamnion polyspermum NYPL b. en Callithamnion polyspermum nypl org Scan by NYPL Callithamnion polyspermum Algae Photography Halstead Place Sevenoaks Spencer Collection cfcfedabc Photographs of British algae cyanotype impressions ddaeadeeaa repo nypl org PDoldauto DEFAULTSORT NYPLb Aglaothamnion hookeri Images uploaded