Slippery Elm bark (Ulmus fulva Michaux)

The American Cyclopædia (1879)/Elm - Wikisource, the free online library

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Slippery Elm in the Herbal Marketplace - Past, Present & Future - United Plant Savers

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Slippery Elm (Ulmus fulva, Ulmus rubra)

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Slippery Elm bark (Ulmus fulva Michaux)

Ulmus rubra, Slippery Elm – MedicineTraditions - Medicine Traditions

Slippery Elm 100 g, 50 g, 25 g – Herbs Crafters