• Schismatomma niveum D.Hawksw.& P.James
Schismatomma niveum
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.


Rarer than its relative Schismatomma cretaceum (described elsewhere), S. niveum is a wholly sorediate species found mainly in woodlands. The spreading creamy white thallus can form patches on old, dry bark and has a distinctive pink glow. Chemically, the thallus is Pd + bright orange-yellow. On the dry bark of ancient trees especially oak and holly; south-west and north-west Ireland.

Key characteristics

  • In ancient woodlands on the dry sides of old trees
  • Thallus entirely white sorediate, suffused a gentle pink; Pd + bright orange-yellow.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Schismatomma niveum D.Hawksw.& P.James. [In] LichenIreland. Accessed on 2018-07-19.