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Tree bark
No, don’t be alarmed. We aren’t talking about the bulky, rough, surface of the tree bark. You have to scrape the surface deep enough and reach the cambium layer which is right under the wood. As long as you are using the right and safe part of it, tree bark is a safe and nutritious wild food to eat. Many of our ancestors used this edible inner layer of the tree bark for medicine and for food.

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