• Verrucaria mucosa Wahlenb.
Verrucaria mucosa
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Forms rather smooth, often circular, green patches with a white margin. A conspicuous crustose lichen low in the littoral zone. Typical of rather sheltered habitats.

Key characteristics

  • Circular smooth green thallus.
  • White margin to thallus.
  • Exclusively marine. On sheltered rocks low in the littoral zone.

Original text submitted by Michael Simms

 Simms, M. J., (2016). Verrucaria mucosa Wahlenb.. [In] LichenIreland. Accessed on 2018-08-18.