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Callithamnion plumula NYPL b. en Callithamnion plumula nypl org Scan by NYPL Callithamnion plumula Algae Photography Halstead Place Sevenoaks Spencer Collection eccfeadabc Photographs of British algae cyanotype impressions ddaeadeeaa repo nypl org PDoldauto DEFAULTSORT NYPLb Pterothamnion plumula Images uploaded by NYPLb