Genus Usnea Beard Lichen

Beard Lichen

Symbiosis
Fungus and an Alga.


Adverse growing conditions:
Sensitive to sulfur dioxide


Good antibiotic
with long and excellent historical use

Calistoga beard lichen

JUNE beard lichen

JUNE beard lichen

2008.07.01 beard lichen

2003.03.25 beard lichen Lewiston, Ca