• Lecidea turgidula Fr.
Lecidea turgidula
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This lignum-loving lichen should be hunted down on softwood timber, fence posts, railings, and on the acid bark of pines and conifers. Easily mistaken for a species of Micarea, it is best told by the bluish bloom that pervades the discs in the wet or the damp caused by granules in the upper layer, the epithecium. The discs begin flat but become convex with age; spores simple, occasionally one-septate. In Ireland, the species is known from Counties Kerry and Galway.

Key characteristics

  • Thallus whitish-grey, often just a smear; discs black, mostly convex with a distinct bluish bloom when damp or breathed on; spores never more than one-septate
  • On untreated timber, fence posts and acid bark.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Lecidea turgidula Fr.. [In] LichenIreland. Accessed on 2018-12-12.