• Micarea synotheoides (Nyl.) Coppins
Micarea synotheoides
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Easily overlooked for M. prasina, this small crustose species is very rare on acid bark in western oceanic woodlands. The granular, olivaceous thallus produces grey to grey-black discs with acicular or rod-shaped spores (to 35Ám long). In Ireland, the species is currently known from one site in County Kerry.

Key characteristics

  • Tiny grey-black discs (convex to globose) on a small, olivaceous thallus on acid-barked trees in western oceanic woodland
  • Spores curved-acicular.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Micarea synotheoides (Nyl.) Coppins. [In] LichenIreland. Accessed on 2018-08-14.