Canadian Medical Guide > Organisms > Algae > Lichens > Usnea Terms and Definitions
Usnea
Medical Definition: | A genus of lichens containing usnic acid and mucilage. Usnea barbata has been used as an herbal medicine. |
Also Called: | Usnea barbata |
Previously Indexed: | Lichens (1967-1999) |
Usnea Medical Definitions and Terms
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