Order: Peltigerales       Family: Pannariaceae Species: Pannaria rubiginosa Growth type squamulose. Photos: On mature Ash trunk. Gougane Barra, Cork, SW Ireland. Blue-grey to brownish-grey squamules with paler margins and hairy, felted blackish-grey hypothallus, +/- visible. Lobes sometimes slightly pruinose. Usually fertile, apothecia chestnut-brown with crenulate margins. Isidia and soredia are absent. Occurs in W and SW Ireland overgrowing moss on mature Ash, also found on willow and in hazel coppices. P+ orange-red Similar: Pannaria conoplea and Degelia plumbea

     
Pannaria rubiginosa December 2008 and May 2010