Lettuce Lichen

By Laura Briscoe

Feb 5 2019

Similar to the Old Man’s Beard, Lungwort lichens can only thrive in clean-air environments. They are often found in old growth forests. Their common name comes from their superficial resemblance to the lobes of human lungs, and they were historically used as medicine to treat respiratory illness, although there is no evidence that this works.

More about: Lichens