Cladonia uncialis
Cladonia uncialis is a species of fruticose, cup lichen in the family Cladoniaceae. It was first described as a new species by Swedish taxonomist Carl Linnaeus in 1753.[1] It was transferred to the genus Cladonia by Friedrich Heinrich Wiggers in 1780.[2] In North America, the lichen is colloquially known as the thorn Cladonia[3] or the thorn cup lichen.[4] Cladonia uncialis is host to the lichenicolous fungus species Lichenopeltella uncialicola, which is named after C. uncialis.[5] References
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