LICHALP

Bacidina neosquamulosa (Aptroot & Herk) S. Ekman

Syn.: Bacidia neosquamulosa Aptroot & Herk

Lichenised.

Substrate: bark

Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a species of the B. arnoldiana-group resembling B. sulphurella, but thallus minutely squamulose-isidiate, with longer, 3- to 7-septate ascospores measuring 45-60 × 1.5-2 μm, and globose, erumpent dark pycnidia (to 0.13 mm in diam.) containing filiform, distinctly 3- to 7-septate, curved macroconidia (40-55 × 1.5-2 μm); on trees with subneutral bark in nutrient-rich, dusty situations such as in urban parks and forest edges along secondary dirt roads; widespread in Europe and also recorded from Western North America, with a single record from the Eastern Alps (Austria), but probably more widespread.