LichenIreland
  • Diploschistes gypsaceus (Ach.) Zahlbr.
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Diploschistes gypsaceus
© Mike Simms
Diploschistes gypsaceus
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(Map updated: 11 August 2009)
 

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This crustose calcicole inhabits a similar niche to Gyalecta jenensis on shaded, naturally occurring, vertical, limestone rock. The K-, cracked thallus is highly conspicuous in its white colour and densely frosted (pruinose) surface. The deeply concave discs (2-5mm diam.) are frequent. Well recorded in the Burren (County Clare) but rather rare throughout rest of Ireland.

Key characteristics

  • White, cracked crust, densely pruinose on sheltered, natural vertical limestone outcrops
  • Thallus K-; discs concave, often with Gyalecta jenensis.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Diploschistes gypsaceus (Ach.) Zahlbr.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=16928 Accessed on 2017-10-17.