Cape pondweed or water hawthorn (Aponogeton distachyus): flowering stems and leaves. Coloured zincograph by L. Constans, c. 1851, after himself.

    • Constans, L., approximately 1850.
    Date:
    [1851-52]
    Reference:
    26345i

    Licence: Public Domain Mark

    Credit: Cape pondweed or water hawthorn (Aponogeton distachyus): flowering stems and leaves. Coloured zincograph by L. Constans, c. 1851, after himself. Wellcome Collection. Source: Wellcome Collection.

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