Foliose, attached by a single rhizine on silicic soil. Upper surface bright green when wet. Lower surface white, pale, with reticulate villose veins with dark cephalodia. 1-6 Apothecia per lobe, <5mm diameter, rounded, flat. Photobiont chlorococcoid, cephalodia with Nostoc.
Location: Barranc de Pussatrapa. Soriguera (Pallars Sobirà)
Climate: Western Pre-pyrenean Mediterranean (Tmm=6ºC, 700mm)