Cladonia borealis, commonly known as the boreal cup lichen, is a species of lichen in the genus Cladonia.
Description Cladonia borealis is yellowish green to brown in color. It occurs in North and South America, Antarctica, Eurasia and many on islands. The ascoma, when present is apothecial.
Biochemistry Its secondary metabolites include 4-O-demethylbarbatic acid, barbatic acid, rhodocladonic acid and usnic acid.
See also
List of Cladonia species
References
External links
North American Lichen Checklist USDA Plants Database List of British Lichens & Lichenicolous Fungi