Schismatomma quercicola Roccellaceae
Schismatomma quercicola

Growth type crustose
Chemical results: K-, C-, KC-, P+ orange, UV-

Can be widespread in ancient woodland on the trunks of Oak and Beech.
BLS conservation evaluation: LC E Sc IR. NIEC 'Old woodland' indicator

Greyish or brownish-grey thallus (scratching orange). Scattered, punctiform soralia, initially pinkish-grey, fading white. Pycnidia and apothecia unknown.
Sometimes host to the lichenicolous Arthonia invadens

Often associated with Thelotrema lepadinum and Loxospora elatina


Schismatomma quercicola


Schismatomma quercicola
Schismatomma quercicola
Wessex Lichen Group meeting, New Forest, Hants. December 2012

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