Flora von Deutschland, Österreich und der Schweiz, Prof. Dr. Otto Wilhelm Thomé (1885)
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English Botany, or Coloured Figures of British Plants, deel 12, J.E. Sowerby (1886)
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Illustrations of the British Flora, Walter Hood Fitch (1924)
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The ferns of Great Britain and Ireland, T. Moore (1855)
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Flora Danica, Georg Christian Oeder e.a. (1761-1883)
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Genera filicum, W.J. Hooker, Franz Bauer (1838-1842)
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