Polyblastia aurantia Breuss
Lichenised. Poorly known taxon.
Substrate: calciferous rocks
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species resembling P. sepulta in the endolithic thallus and the immersed perithecia lacking an involucrellum, but the outer part of the ascomatal wall with an orange-red pigment, and ascospores with more septa; on calcareous rocks; only known from the locus classicus at low elevation in the Eastern Alps (Austria).
Austria: Niederösterreich (incl. Wien);