LichenIreland
  • Caloplaca ferruginea (Huds.) Th.Fr. [4]
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Caloplaca ferruginea
© Robert Thompson
Caloplaca ferruginea
© Mike Simms
Caloplaca ferruginea
© Mike Simms
Caloplaca ferruginea
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(Map updated: 11 August 2009)
Caloplaca ferruginea
© Mike Simms
 

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Very like C. crenularia (described elsewhere) but is an epiphyte with a paler grey thallus and larger discs (to 2mm diam.) most frequent on hazel and in willow swamp. It may also be found on the main trunk of trees with a basic bark. It appears to have increased its range significantly in recent years.

Key characteristics

  • The large, bright orange fruits on a thin, immersed and insignificant thallus on tree bark indicate this species
  • It is one of only a very few members of the genus that in Ireland grow as epiphytes.

Original text submitted by Simon Davey

 Simms, M. J., (2016). Caloplaca ferruginea (Huds.) Th.Fr. [4]. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=20532 Accessed on 2017-10-21.