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Icones filicum Sinicarum, deel 3, H.S. Hu, R.C. Ching, C.R. Feng (1935)
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Flora japonica, C.P. Thunberg (1784)
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Favourite flowers of garden and greenhouse, deel 4, E. Step, D. Bois, D.G.J.M. Bois (1896-1897)
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Ferns (a history of Ferns): British and exotic, deel 6, E.J. Lowe (1839)
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