LichenIreland
  • Umbilicaria spodochroa (Ehrh. ex Hoffm.) DC.
Umbilicaria spodochroa
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This rare Umbilicaria presumed to have been collected during the nineteenth century from Tonelagee in the Wicklow Mountains has a single lobed thallus with a brown, occasionally grey, upper surface and a dark slightly roughened underside with no pink pigmentation. The black discs occur mostly away from the centre of the thallus and have a thick rim and a prominent central pillar of sterile tissue. It is known to favour water seepage cracks. It should be avidly searched for in the Wicklow Mountains.

Key characteristics

  • Single lobed brown to grey thallus
  • Discs near the edge of the thallus, black with a central pillar of tissue.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Umbilicaria spodochroa (Ehrh. ex Hoffm.) DC.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=19132 Accessed on 2017-12-16.