• Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Chaenotheca chrysocephala
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(Map updated: 11 August 2009)

This ‘pin-head’ lichen is easily identified on account of its well-developed thallus of bright, yellow granules. The lower part of the head of the ‘pin’ also has a conspicuous dusting of yellow pruina. Shaded recesses; acid-barked deciduous trees; more usual on conifers. In Ireland, records are scattered around the north and west.

Key characteristics

  • The only Chaenotheca with a granular bright, green-yellow thallus
  • Thallus K-, Pd-.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.. [In] LichenIreland. Accessed on 2019-01-20.