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Usnea is a genus of lichen that grows all over the world, commonly referred to as old man's beard, beard lichen, and tree moss. It has antibiotic properties both internally and externally.[1] Like most lichens, it is highly acidic and should be prepared properly before consumption.


External LinksEdit

Big Site Links
Wikipedia
Plants for a Future
efloras.org
USDA


YouTube Videos
Eat the Weeds: Episode 49


ReferencesEdit

  1. http://www.youtube.com/user/EatTheWeeds#p/u/65/aqiXp1DNQcw