The ferns of Great Britain and their allies, the club-mosses, pepperworts, and horsetails / by Anne Pratt ; published under the direction of the Committee of General Literature and Education, appointed by the Society for Promoting Christian Knowledge.
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The ferns of Great Britain and their allies, the club-mosses, pepperworts, and horsetails / by Anne Pratt ; published under the direction of the Committee of General Literature and Education, appointed by the Society for Promoting Christian Knowledge. Credit: Wellcome Collection. Public Domain Mark