Usnea Lichen originated in the United States and is also known as Old Man's Beard, Woman's Long Hair.It is composed of fungus and algae which results in fibrous strands. Used in Chinese medicine as an antimicrobial and antifungal remedy. Magically it can be used to clarify and guard against illness. Works wonderfully while burning to consecrate and cleanse your ritual tools. String like without detectable fragrance. Store in an airtight container in a cool, dry place. 2oz.