Irish lichens
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Order: Lecanorales Family: Parmeliaceae
Species: Hypotrachyna endochlora Photos: On Willow. Gougane Barra, Cork, SW Ireland. Identified by John Douglass Pale blue-grey to yellowish-grey narrow lobes with sinuous axils and coarse, granular, yellowish soredia. Medulla pale yellowish, lower surface black with +/- dense rhizines. Apothecia rare. Found on well-lit, acidic, nutrient-poor bark on trees in woodland and in salix carr, also on mossy rocks. Cortex K+ yellow. Medulla K-, C+ orange, KC+ orange, P- Could be confused with Parmotrema perlatum |
Hypotrachyna endochlora. August 2009