Xanthoria

Xanthoria

Observation - Xanthoria - UK and Ireland. Description: Foliose cushions on silicious stone wall, largest 2cm across. K+ crimson. Underside white and sparsely rhizinate. No obvious blastidia. Scattered orange pycnidia bearing ellipsoid conidia, c. 3µm.

Foliose cushions on silicious stone wall, largest 2cm across. K+ crimson. Underside white and sparsely rhizinate. No obvious blastidia. Scattered orange pycnidia bearing ellipsoid conidia, c. 3µm.