Description: 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 Identification Features:

• 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

Distribution Map from NBN: Snippocia nivea at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Snippocia nivea at iNaturalist World Species Observations database.