Arthonia cinereopruinosa Schaer.
Enum. Crit. Lich. Eur.: 243, 1850.
Arthonia lilacina (Ach.) Körb., Arthonia pinicola (Hepp) A.Massal., Pyrenotheca stictica Fr., Trachylia cinereopruinosa (Schaer.) A.Massal.
Is present in the following regions
here for a map with abbreviations):
N - Frl, Ven, Lomb.
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pH of the substrata: intermediate between very acid and subneutral (2)
in shaded sites (2) to sites with diffuse light but scarce direct solar irradiation (3)
humidity requirements: hygrophytic (1) to rather hygrophytic (2)
in sites with no eutrophication (1)
from the submediterranean belt (2) to the mediterranean-montane belt (3)
Note: a mild-temperate species, found on smooth bark of deciduous trees in dense humid forests. The records from Campania and Basilicata cited by Nimis (1993: 74) are dubious.
- Alpine Italy:
- Subalpine Italy:
- Oromediterranean Italy:
- Montane Italy:
- Padanian Italy:
- Dry submediterranean Italy:
- Dry mediterranean Italy:
- Humid submediterranean Italy:
- Humid mediterraenan Italy: