Schizotrema quercicola (Coppins & P. James) Ertz, Frisch & Sanderson

in Ertz & al., Lichenologist, 51: 399, 2019. Basionym: Schismatomma quercicola Coppins & P. James - Lichenologist, 21: 237, 1989
Synonyms:
Distribution:
Description: Thallus crustose, thinly episubstratic, pale grey, pale grey-white to pale grey-green when moist, pale grey brown when dry, slightly verrucose, with discrete, scattered, punctiform, at first slightly excavate then flat, 0.2-0.5(-0.7) mm wide, pink-grey soralia (turning whitish in the herbarium). Apothecia and pycnidia unknown. Photobiont trentepohlioid. Spot tests: K-, C-, KC-, P+ orange, UV-. Chemistry: fumarprotocetraric acid, ± protocetraric acid, plus an unidentified substance.
Note: a mainly western species with tropical-subtropical affinities, found on the bark of old, mainly deciduous trees (Fagus, Quercus) in undisturbed, humid forests, also reported from a few stations in the Alps, outside Italian territory. To be looked for in Italy.
Growth form: Crustose
Substrata: bark
Photobiont: Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)
Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)

pH of the substrata:

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Solar irradiation:

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Aridity:

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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Predictive model

Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Douarnenez


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Poullan-sur-mer


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Poullan-sur-mer


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Poullan-sur-mer


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Poullan-sur-mer


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Douarnenez


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Douarnenez


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Poullan-sur-mer


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=662&lang=en
France, Douarnenez