• Lepraria crassissima
Lepraria crassissima
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(Map updated: 11 August 2009)

Forming a bluish-white thallus of compacted soft granules in dry underhangs sheltered from direct rain, the thallus of this species tests KC+ red, Pd-. It occurs on acidic or slightly calcareous rocks below overhanging vegetation in woodlands. In Ireland, the species occurs in the Burren, County Clare and in Counties Mayo and Donegal.

Key characteristics

  • Thallus C+ red, KC+ red, Pd-; soft, bluish-white to grey granular surface
  • Sheltered from direct rain below low outcrops and cliffs in woodland.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Lepraria crassissima . [In] LichenIreland. Accessed on 2020-07-06.