Order: Lecanorales       Family: Cladoniaceae Species: Cladonia polydactyla Primary thallus squamulose, secondary thallus fruticose. Photos: On rotting post and wall. Gougane Barra, Cork, SW Ireland. Identified by John Douglass Very variable. Small bluish-green primary squamules, tips incised, orange-brown (K+ purple-red) at base. Grey podetia are squamulose below, farinose-sorediate above, more/less branched. Cups when present often with secondary podetia on margins. Apothecia and pycnidia are frequent, bright red. Widespread on rotting wood, among moss and on peat and soil. Frequent on heaths and in woodlands. Thallus K+ yellow-orange, C-, KC-, P+ orange, UV- Similar: Cladonia macilenta

Cladonia polydactyla. August and November 2009