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Keywords from Image Description:
Porphyra linearis NYPL b. en Porphyra linearis nypl org Scan by NYPL Porphyra linearis Algae Photography Halstead Place Sevenoaks Spencer Collection dcfcdabc Photographs of British algae cyanotype impressions ddbadeeaa repo nypl org PDoldauto DEFAULTSORT NYPLb Porphyra linearis Images uploaded by NYPLb NYPL Spencer Collection