Order: Peltigerales       Family: Peltigeraceae Species: Peltigera leucophlebia Growth type foliose All photographs © Shane Dunne. The Burren, Co. Clare, Ireland. The large, wavy lobes are grey-brown when dry but turn bright green when wet and have dark wart-like cephalodia tightly attached to the upper surface. The undersurface is pale near the margins but dark in the centre with dark rhizines and a network of dark veins. Apothecia are infrequent, the spores 3-7 septate. Usually found among mossy, calcareous rocks with most Irish records from Counties Clare and Sligo Similar: Peltigera britannica is very rare with loosely attached cephalodia, no network of dark veins under the lobes and has never been found fertile in Europe

Peltigera leucophlebia. The Burren, Co. Clare. January 2023