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Keywords from Image Description:
Polysiphonia nigrescens NYPL b. en Polysiphonia nigrescens nypl org Scan by NYPL Polysiphonia nigrescens Algae Photography Halstead Place Sevenoaks Spencer Collection feacfdedabc Photographs of British algae cyanotype impressions ddadadeeaa repo nypl org PDoldauto DEFAULTSORT NYPLb Polysiphonia fucoides Images uploaded by