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Flora Batava, deel 21, Jan Kops, F.W. van Eeden en L.Vuyck (1901)
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English Botany, or Coloured Figures of British Plants, deel 3, J.E. Sowerby (1864)
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Illustrations of the British Flora, Walter Hood Fitch (1924)
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Trifolium minus
Plantarum seu stirpium icones, deel 2, M. de Lobel (1581)
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