• Bacidia friesiana (Hepp) Körb.
Bacidia friesiana
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This rare epiphyte of nutrient-rich bark (for example, elder) has a whitish granular thallus and grey-black margined discs with needle-like spores that are three- to seven-septate. The epithecium is green in K. B. absistens has larger (45-80ųm) and longer 7- to 14-septate spores. A few inland records; scattered.

Key characteristics

  • Whitish thallus and grey-black discs; spores 30-50ųm long, three- to seven-septate
  • On nutrient-rich bark; commonly on elder.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Bacidia friesiana (Hepp) Körb.. [In] LichenIreland. Accessed on 2018-08-14.