Irish lichens
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Family: Parmeliaceae
Species: Cetrelia cetrarioides Photos: Glengarriff woods, Co. Cork, SW Ireland. Large, loosely attached greyish-green lobes with small scattered white punctiform pseudocyphella and pale ‘frilly’ marginal soralia. The underside is black, whitish-brown near tips and with a few simple rhizines. Apothecia absent. Chemistry C-, KC-, UV+ bright blue-white Scattered distribution on mossy, acid-barked trees like Hazel and Salix in damp, well-lit woodlands. The most frequent of four chemotypes (recognised as segregate species) within the Cetrelia olivetorum sens.lat. aggregate. Identification only possible with chemical tests and UV reaction |
Cetrelia cetrarioides. May 2009