on trunks of old fallen S. [southern] beech near Drake R.
Notes:
Rare?
Photobiont blue-green
Lobes dark brown to blackish (wet). Pscyph [pseudocyphellae] on upp. [upper] surface (white)
Dense pale tomentum to lobe margins.
No apo. [apothecia]
Esorediat / non-isidiate