LICHALP

Julella subcoerulescens (Nyl.) Hafellner & Türk

Syn.: Mycoglaena subcoerulescens (Nyl.) Höhn., Polyblastia subcoerulescens (Nyl.) Zahlbr., Polyblastiopsis subcoerulescens (Nyl.) Zahlbr., Verrucaria subcoerulescens Nyl., Winteria subcoerulescens (Nyl.) Rehm

Non- or doubtfully lichenised.

Substrate: bark

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

Note: a probably non-lichenised species with an endophloeodic thallus indicated by whitish patches, black, hemispherical perithecioid ascomata, their wall in upper half clypeus-like with a bluish-greenish pigment, 8-spored asci, persistent and anastomosing interascal filaments, and hyaline, muriform, ellipsoid ascospores (15-22 × 8-13 µm) with 3-5 transversal septa and usually one incomplete longitudinal septum; the generic placement is uncertain, perhaps better placed in Mycoglaena; on bark of coniferous trees (e.g. Pinus, Larix), mostly on twigs; rare throughout Europe, including the Eastern Alps (Austria), but probably often overlooked.