LICHALP

Hymenelia aigneri (Zahlbr.) Hafellner & Türk

Syn.: Ionaspis aigneri Zahlbr.

Lichenised. Poorly known taxon.

Substrate: calciferous rocks

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)

Note: a species with a peach-flower coloured to pure red thallus containing a trentepohlioid photobiont, black apothecia, and hymenium bright red in the upper part, reacting N+ purple; on calcareous stones e.g. on screes in the montane belt; distribution insufficiently known; in the study area only reported from two localities in the Eastern Alps.