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On lignum, Epiphytic
Photobiont:
Green algae other than Trentepohlia
Growth form:
Crustose
Reproductive strategy:
Mainly sexual
Poleophoby: 3
Ecology:
pH of the substrata: very acid (1) to intermediate between very acid and subneutral (2)
in shaded sites (2) to sun-exposed sites, but avoiding extreme solar irradiation (4)
humidity requirements: rather hygrophytic (2) to mesophytic (3)
in sites with no eutrophication (1)
from the mediterranean-montane belt (3) to the oroboreal belt of the Alps (4)
Note: a cool-temperate to circumboreal-montane species, found on lignum, more rarely on acid bark, most common in the Alps, but probably occurring throughout the Apennines.
Commonness-rarity status:
- Alpine Italy:
absent
- Subalpine Italy:
rather rare
- Oromediterranean Italy:
absent
- Montane Italy:
rare
- Padanian Italy:
absent
- Dry submediterranean Italy:
absent
- Dry mediterranean Italy:
absent
- Humid submediterranean Italy:
absent
- Humid mediterraenan Italy:
absent
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