• Leptogium tenuissimum (Dicks.) Körb.
Leptogium tenuissimum
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This is a rather inconspicuous species that has often been recorded wrongly in the field. It is about the size of L. subtile but forms its brown cushions, complete with coral-like warts, among mosses in calcareous grassland. The discs are reddish-brown with a thick rim and attached lobules. The spores are muriform.

Key characteristics

  • Thallus very small, brown, cushion-like; among mosses on calcareous soils
  • Discs with a thick rim; spores muriform.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Leptogium tenuissimum (Dicks.) Körb.. [In] LichenIreland. Accessed on 2018-08-16.