• Caloplaca asserigena (J. Lahm) H. Olivier 

There are no records for this species at present.

Known from west Mayo, this species of Caloplaca (best seen on sallow, but also on heather stems) colonises twigs and small branches of isolated trees, often in remote or far-flung places. The small grey thalli are abundantly fertile with rust-red discs.

Key characteristics

  • On small branches and twigs of sallow
  • Thallus tiny, grey with abundant rust-red discs.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Caloplaca asserigena (J. Lahm) H. Olivier . [In] LichenIreland. Accessed on 2019-01-21.