White horehound (Marrubium vulgare): flowering stem, root and floral segments. Coloured engraving after J. Sowerby, 1797.

    • Sowerby, James, 1757-1822.
    Date:
    1 July 1797
    Reference:
    25158i
    Catalogue details

    Licence: Public Domain Mark

    Credit: White horehound (Marrubium vulgare): flowering stem, root and floral segments. Coloured engraving after J. Sowerby, 1797. Wellcome Collection. Source: Wellcome Collection.

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