Rhizocarpon geographicum (L.) DC. subsp. diabasicum (Räsänen) Poelt & Vězda

Rhizocarpon geographicum (L.) DC. subsp. diabasicum (Räsänen) Poelt & Vězda

Syn.: Rhizocarpon amphiboliticum Räsänen, Rhizocarpon diabasicum Räsänen, Rhizocarpon havaasii Räsänen, Rhizocarpon tinei (Tornab.) Runemark subsp. diabasicum (Räsänen) Runemark

Lichenised.

Substrate: siliceous rocks, intermediate rocks (such as calciferous schists)

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the nival belt (above the lower limit of perennial snow and glaciers)

Note: on siliceous, sometimes also on superficially decalcified calcareous rocks, where it appears in forms with a whitish thallus, with optimum near and above treeline.

Austria: ?Vorarlberg; Tirol; Salzburg; Kärnten; Switzerland: Bern; Graubünden; Ticino; Uri; Unterwalden; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Italy: Trentino Alto Adige; Lombardia; Piemonte;

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