LichenIreland
  • Heterodermia japonica (M.Sato) Swinscow & Krog
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Heterodermia japonica
© Robert Thompson
Heterodermia japonica
© Robert Thompson
Heterodermia japonica
© Mike Simms
Heterodermia japonica
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The K+ yellow thallus of this attractive foliose lichen consists of pale grey radiating rosettes. The fan-like lobes have hair-like cilia on the margins that mix with the grey, granular soralia. Discs are rare. Its habitats range from short coastal grasslands and old sea-pink cushions to mossy tree trunks (often rather high up) of oak, ash, hazel and willow. The species is widespread but local in Ireland.

Key characteristics

  • The smooth, fan-shaped rosettes of pearl-grey lobes tipped with cilia and soredia is distinctive
  • On long-standing mossy trees; sea-pink cushions should be searched.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Heterodermia japonica (M.Sato) Swinscow & Krog. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=18510 Accessed on 2017-11-21.