
Flora Batava, deel 7, Jan Kops en Herman Christiaan van Hall (1836)
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Flora Danica, Georg
Christian Oeder e.a. (1761-1888)
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English Botany, or Coloured Figures of British Plants, deel 12, J.E. Sowerby (1886)
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The ferns of Great Britain, and their allies the club-mosses, pepperworts, and horsetails, Anne Pratt (1855)
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