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Ceramium diaphanum NYPL b. en Ceramium diaphanum nypl org Scan by NYPL Ceramium diaphanum Algae Photography Halstead Place Sevenoaks Spencer Collection afcfddabc Photographs of British algae cyanotype impressions ddacaadeeaa repo nypl org PDoldauto DEFAULTSORT NYPLb Ceramium diaphanum Images uploaded by NYPLb NYPL Spencer