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Keywords from Image Description:
Diatomaceae of Philadelphia Plate . follows PLATE Fig Licmophora flabellata Carm Ag Licmophora lyngbyei Kuetz Licmophora ehrenbergii Kuetz Grun Licmophora paradoxa Lyng Ag Licmophora ovulum Mer Licmophora baileyi Edw Grun Licmophora gracilis Ehr Grun Licmophora gracilis var elongata Kuetz De Toni Licmophora tincta Ag Grun