LichenIreland
  • Pycnothelia papillaria Dufour
Pycnothelia papillaria
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(Map updated: 11 August 2009)
 

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This is a characteristic species of stabilised, wet peaty soils. It consists of a grey granular thallus, with peg-like stalks resembling tiny, inflated rubber cylinders. It is relatively frequent in suitable habitats throughout Ireland.

Key characteristics

  • The low, short, rounded, finger-like stalks (podetia) growing on damp, peaty soils immediately indicate this species. When dry these structures are hollow and easily damaged
  • This species is rarely confused with other species. Cladonia uncialis is also hollow inside but is much larger, yellower and has branched, spiky tips.

Original text submitted by Simon Davey