LichenIreland
  • Heterodermia speciosa (Wulfen) Trevis.

There are no records for this species at present.

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Known only from south Kerry and west Donegal, H. speciosa is very like its more frequent cousin H. obscurata (formerly H. japonica). Separating the two requires examination of the underside. In H. speciosa this is smooth and shiny, white to tan coloured (not yellow-spotted on a web of hyphae).

Key characteristics

  • Lower surface of thallus with an outer layer or cortex: white or tan
  • Lower surface without yellow or orange spotting or a web of fibrous hyphae.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Heterodermia speciosa (Wulfen) Trevis.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=500047 Accessed on 2017-10-17.