Epiphloea byssina (Hoffm.) Henssen & P.M. Jørg
Syn.: Collema byssinum Hoffm., Collema cheileum (Ach.) Ach. var. byssinum (Hoffm.) Körb., Leptogium amphineum Ach. ex Nyl., Leptogium anomalum (Nyl.) Harm., Leptogium byssinum (Hoffm.) Zwackh ex Nyl., Polychidium byssinum (Hoffm.) Trevis.
Lichenised.
Substrate: calciferous soil
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) 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: an inconspicuous, perhaps overlooked, ephemeral lichen of calciferous clay soil.
Austria: Tirol; Italy: Trentino Alto Adige;