Order: Peltigerales       Family: Lobariaceae Pseudocyphellaria citrina (Pseudocyphellaria crocata) Growth type foliose. Photos: On hazel. Cathair Chomáin, the Burren, W Ireland. BLS Burren meeting 2009 Grey-brown thallus, greener when wet. The smooth lobes become coarsely ridged with yellow soralia that can become confluent. Lower surface with yellow pseudocyphellae. Apothecia very rare. Very rare, on mossy trees and rocks in damp, sheltered sites. Medulla and soralia: K+ yellow, P+ orange, UV+ dull orange Similar:Pseudocyphellaria intricata and P. norvegica

Pseudocyphellaria citrina (Pseudocyphellaria crocata). BLS Burren meeting, April 2009