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Order: Lecanorales Family: Bacidiaceae
Species: Squamarina cartilaginea Photos: Inland on calcareous rock. The Burren, Co. Clare, Ireland Variable, thallus of pale yellow-green to brown-green squamules, +/- pruinose, forming loose or tightly overlapping crusts. Apothecia with brown to red-brown flat or concave discs that become irregularly convex with margins +/- excluded. Scattered, mainly coastal distribution in Ireland in crevices in limestone cliffs and on hard calcareous rocks, mosses and soil. Two chemotypes occur. Morphs with P+ yellow medulla appear confined to coastal sites, morphs with P- medulla also occur inland. |
Squamarina cartilaginea July 2009