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Gelidium cartilagineum NYPL b. en Gelidium cartilagineum nypl org Scan by NYPL Gelidium cartilagineum Algae Photography Halstead Place Sevenoaks Spencer Collection fbfcfffdabc Photographs of British algae cyanotype impressions ddaaadeeaa repo nypl org PDoldauto DEFAULTSORT NYPLb Plocamium cartilagineum Images uploaded by