Eupatorium purpureum (Gravel root). Also known as Joe Pye weed.

    • Rowan McOnegal
    Catalogue details

    Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

    Credit: Eupatorium purpureum (Gravel root). Also known as Joe Pye weed. Rowan McOnegal. Source: Wellcome Collection.

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