LichenIreland
  • Caloplaca sorediella Arup 

There are no records for this species at present.

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This species should be searched for on the old, moribund stems of coastal thrift (Armeria) cushions along exposed sea cliffs. Currently, it is only known from south-west Ireland. The thallus is often seen only as a sprinkling of pale grey crumbly areoles which turn orange before bursting into golden-yellow powdery soredia. Discs are rare. It is probably closest in appearance to C. chrysophthalma which has an immersed thallus, but to date has not been recorded from Ireland.

Key characteristics

  • Thallus white to grey of tiny granular areoles developing an orange glow before bursting into golden-yellow flour-fine soredia
  • A sea-cliff species best seen on cushions of decaying vegetation.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Caloplaca sorediella Arup . [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=500024 Accessed on 2017-11-24.