LICHALP

Gyalidea diaphana (Körb ex Nyl.) Vězda

Syn.: Bacidia bayeri (E. Senft) Servít, Biatora diaphana Körb. ex Nyl., Biatorina diaphana (Körb. ex Nyl.) Körb., Catillaria bayeri E. Senft, Catillaria diaphana (Körb. ex Nyl.) Lettau

Lichenised.

Substrate:

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 recalling G. fritzei, but with 2-celled ascospores; on long-time inundated siliceous boulders in streams; widespread in the Arctic zone of Europe and in the alpine belt of European orobiomes, with a few records from the Eastern Alps, but perhaps overlooked elsewhere.