• Xanthoria ulophyllodes Räsänen [42]
Xanthoria ulophyllodes
Click on map to open large map in new window
(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 small non-sorediate foliose species forms crisp yellow-orange rosettes of horizontal lobes with small propagules (blastidia) along the margins. Colonies often merge through expansion. Discs are rare. On humid, well-illuminated, canopy twigs and branches; also spreading to stone. K+ orange. In Ireland, it occurs in the south and south-east.

Key characteristics

  • Non-sorediate and leafy small yellow-orange rosettes; flattened lobes (K+ orange) with small propagules along the edges
  • Humid sites favoured; Candelaria concolor is K-.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Xanthoria ulophyllodes Räsänen [42]. [In] LichenIreland. Accessed on 2018-08-19.