Arthonia cinereopruinosa Schaer.
Enum. Crit. Lich. Eur.: 243, 1850.

Synonims: Arthonia lilacina (Ach.) Körb., Arthonia pinicola (Hepp) A.Massal., Pyrenotheca stictica Fr., Trachylia cinereopruinosa (Schaer.) A.Massal.

Is present in the following regions (Click here for a map with abbreviations):
N - Frl, Ven, Lomb.

References (type author's name):

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Arthonia cinereopruinosa Schaer.

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Epiphytic
Photobiont: Trentepohlia
Growth form: Crustose
Reproductive strategy: Mainly sexual
Poleophoby: 4

Ecology:

  • 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.

      Commonness-rarity status:
    • Alpine Italy: absent
    • Subalpine Italy: absent
    • Oromediterranean Italy: absent
    • Montane Italy: extremely rare
    • Padanian Italy: absent
    • Dry submediterranean Italy: extremely rare
    • Dry mediterranean Italy: absent
    • Humid submediterranean Italy: absent
    • Humid mediterraenan Italy: absent

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