Order: Lecanorales       Family: Stereocaulaceae Species: Stereocaulon evolutum Growth type fruticose. Identification confirmed by John Douglass Photos: On rock on wet acid heath. Ballingeary, Cork, SW Ireland. Cushion-forming with irregularly branched light-grey pseudopodetia (stems). Many flattened phyllocladia, deeply divided into +/- cylindrical extensions, often overlapping and +/- hiding the pseudopodetia. Large terminal apothecia are rare or absent. Found in upland regions on moss and siliceous rocks. K+ yellow, KC+ violet (use filter paper), P+ faint yellow, UV+ white Similar: Stereocaulon vesuvianum and S. dactylophyllum

Stereocaulon evolutum. September and October 2009