Irish lichens
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Order: Lecanorales Family: Ramalinaceae
Species: Bacidia rubella Photos: On mature Oak. Bantry House, Co. Cork, SW Ireland. Identified by John Douglass Thallus yellow-green to greyish minutely granular, the granules appearing isidia-like. The sessile apothecia are flat or slightly convex, pale to dark reddish-brown. Margins usually persistent, sometimes pruinose. Pycnidia are pale pink to reddish-brown. Occurs on nutrient-rich bark on the trunks of mature trees on rich soils. Rare on sheltered walls and gravestones, absent in polluted areas. Chemical reactions negative. |
Bacidia rubella November 2009