Irish lichens

Bacidia delicata

Order: Lecanorales       Family: Ramalinaceae

Species: Bacidina delicata (Bacidia delicata)

Growth type leprose.
Photos: On Box twigs and leaves. Ballingeary, Co. Cork, SW Ireland. Specimen identified by John Douglass

Wide-spreading leprose thallus, pale green to fawn, thin and finely granular. Apothecia rare, discs pale pink, hypothecium colourless. White pycnidia, +/- immersed, curved conidia 21-40 x 1 Ám.
Spores thinly 3-7 septate, (21-)24-48 x 1-1.5(-2) Ám.
Chemical reactions negative

Widespread but probably overlooked on shaded urban stonework and +/- calcareous rocks, moss and basic bark.

Bacidia delicata

Bacidia delicata
Bacidia delicata. November 2009

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