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Red-tipped, minty green lichen with some darkening of the podetia ("stalks"). The podetia are 10-30mm long with red caps called apothecia--which are spore-bearing structures. The Cladonia genus is comprised of moss-like cup lichens. Lichens are composite organisms comprised of a fungus being inhabited by algae or cyanobacteria. According to NatureServe Explorer, Cladonia didyma's national status is N1 (critically imperiled).
Growing at the top of a ridge in a dense mixed hardwood/coniferous forest in Northwest Georgia (Gordon County), US
Spotted on Oct 1, 2017
Submitted on Dec 19, 2017
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