Order: Lecanorales Family: Sarrameanaceae
Species: Loxospora elatina
Photos: On Oak. Glengarriff, Co. Cork, SW Ireland.
Identified by John Douglass
Thin effuse thallus, smooth or slightly warted, whitish-grey or grey, often with distinct white prothallus. Abundant soft convex soralia, pale yellow, yellow-grey or bluish-green that can become confluent. Apothecia very rare, discs red-brown. (Photos left and bottom of page)
Found on shaded acid bark in established, damp woodlands, especially on Oak and Birch. An 'Old woodland indicator', most frequently found in the west of Ireland.
Thallus and soralia: K+ bright yellow, P+ yellow-orange, UV-
Similar: Mycoblastus caesius, K-, C-, KC-, P-, UV+ white
Loxospora elatina November 2009 and April 2010