Arthothelium lirellans growths on smooth bark of deciduous trees in boreo-nemoral rainforests south of Bergen. It is characterized by small brownish black, maculate apothecia on a thin, pale thallus lacking photobionts. The colorless spores are divided by (4–)5–8 transverse and 0–1 longitudinal septa. The apical cell is not enlarged.
Arthothelium lirellans
(Almq.) Coppins
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Andreas Frisch
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NTNU Vitenskapsmuseet
|
Håkon Holien
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NORD Universitet
