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Keywords from Image Description:
Fougre prothalle archgone anthridies. fr Fougre prothalle archgone anthridies Le Monde vgtal Ernest Flammarion diteur Gaston Bonnier PDold Uploaded with Pteridophyta diagrams Microscopic images of Pteridophyta Sketches of plants in French Pteridophyta botanical illustrations Sketches of plants by Gaston Bonnier