*The usnic acid in Usnea is effective against gram positive bacteria such as Streptococcus and Staphylococcus, making Usnea a valuable addition to herbal formulas for sore throats and skin infections. *It is also effective against a bacterium that commonly causes pneumonia"
* Usnea sp. shows antibacterial activity against pathogenic organisms such as Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, Salmonella typhiand Escherichia coli.
* Rich in Vitamin C
==References==
* ''http://medherb.com/Therapeutics/Immune_-_Lymphatics_and_antibiotics.htm''