LICHALP

Byssoloma subdiscordans (Nyl.) P. James

Syn.: Byssoloma rotuliforme (Müll. Arg.) R. Sant., Byssoloma subdiscordans sensu Lettau non (Nyl.) Vain., Byssoloma tricholomum sensu Lettau non (Mont.) Zahlbr., Chiodecton subdiscordans Nyl., Patellaria rotuliformis Müll. Arg.

Lichenised.

Substrate: bark,

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a humid subtropical to tropical species, with isolated outliers in humid parts of the mild-temperate zone; in the Alps it is mainly found in montane, humid forests, on twigs and leaves of conifers, and it might be more widespread, but not common.