Bighorn Lichen (Cladonia cornuta)

Bighorn Lichen, a reference photo — Photo: This image was created by user zaca at Mushroom Observer, a source for mycological images.You can contact this user here. · CC BY-SA 3.0 (licence)

Cladonia cornuta or the bighorn cup lichen is a species of fruticose, cup lichen in the family Cladoniaceae. It was first described as a new species by Swedish lichenologist Carl Linnaeus in his seminal 1753 work Species Plantarum. German biologist Georg Franz Hoffmann transferred it to the genus Cladonia in 1791. The lichen has a distribution that is circumpolar, boreal, and arctic. It has also been recorded from the Southern Hemisphere.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Bighorn Lichen being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom: Fungi
Phylum: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Cladoniaceae
Genus: Cladonia
Species: Cladonia cornuta

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