The sap of birch is used as a tonic in Northern Europe and Russia, as well as in syrup, beer and candy flavoring Image by Cedric Pollet |
Mindanoan gum (or rainbow eucalyptus) found in the Philippines, where the bark is used as a traditional remedy against fatigue Image by Cedric Pollet |
A type of manzanita endemic to the San Luis Obispo region of California Image by Cedric Pollet |
Via Brain Pickings
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