Wilde planten in Nederland en BelgiŽ

Breed pijlkruid - Sagittaria latifolia


Addisonia, deel 2 (1917)


Flore mťdicale des Antilles, deel 7, M.E. Descourtilz (1829)


Water-color sketches of American plants, especially New England, Helen Sharp (1888-1910)


Flowers of the field and forest, I. Sprague, A.B. Hervey,(1880)


A guide to wild flowers, A. Lounsberry, E. Rowan (1899)


Das Pflanzenreich, Alismataceae, H.G.A. Engler , deel 15 (1903)

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