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Usnea

Usnea

Botanical Description / Habitat

Usnea barbata

Usnea florida

Usnea plicata

Usnea spp.

Family

Usneaceae

Common Names

Old Man's Beard
Tree Moss
Usnea

Habitat

Found world-wide in cool, damp places.

Description

A lichen, which may be white, red or black, found on a variety of trees.

Medicinal Parts

Dried thallus.

Historical Properties & Uses

This herb has approval status by the German Commission E for mild inflammation of the oral and pharyngeal mucosa e.g. sore throat.

References:

Blumenthal, M (Ed.): The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. American Botanical Council. Austin, TX. 1998.


Method of Action

Usnea contains lichenic acid.

Drug Interactions & Precautions

There are no known drug interactions.

Safety Factors & Toxicity

There are no known contraindications or side effects.

Preparation & Administration

Usnea has approval status by the German Commission E.

Recommended daily dosages in Germany are as follows:

100 mg of the herb as a lozenge 3 - 6 times per day.

References:

Blumenthal, M (Ed.): The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. American Botanical Council. Austin, TX. 1998.

Note: This Herbal Preparation information is a summary of data from books and articles by various authors. It is not intended to replace the advice or attention of health care professionals.

References

References:

Blumenthal, M (Ed.): The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. American Botanical Council. Austin, TX. 1998.

Gruenwald, J, Brendler, T & Jaenicke, C (Eds.): PDR for Herbal Medicines. Medical Economics, NJ. 1998.

Okuyama, E et al., Usnic acid and diffractic acid as analgesic and antipyretic components of Usnea diffracta. PhytoMed. 1995, 61(2):113-115.