LichenIreland
  • Lepraria diffusa diffusa (J.R. Laundon) Kukwa
Lepraria diffusa diffusa
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(Map updated: 11 August 2009)
 

Click here to view an interactive map of the Northern Ireland dataset as currently collated by CEDaR.
The map is generated through the NBN Gateway using their Interactive Mapping Tool.

 

This powder lichen has a cream thallus loose at the surface without tints of blue-grey and an obvious but never lobed or raised edge. Spot tests Ką dirty orange, Cą dirty orange, Pd+ yellow-dirty orange. On siliceous or calcareous rocks often in sheltered situations. L. eburnea occurs in similar situations, is always greener or blue-grey and is cleanly K+ yellow, C+ faint yellow or pink. In Ireland, there are a few scatter sites in the north.

Key characteristics

  • Cream-coloured thallus, loosely structured, delimited, but edge not lobed or raised
  • Spot tests: all with rather dirty reactions none bright or clear; shaded calcareous or siliceous rock.

Original text submitted by Vince J. Giavarini