Order: Peltigerales       Family: Collemataceae Species: Collema subflaccidum Growth type foliose. Photos: On hazel. Cathar Chomáin, the Burren, W Ireland. BLS Burren meeting 2009 Flat dark greenish-black lobes without ridges, slightly paler beneath. Very small, globose isidia often covering thallus, apothecia rare. Occurs on basic-barked trees in sheltered, damp habitats in western Ireland. Chemical reactions negative. Similar: Collema flaccidum

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Collema subflaccidum. BLS Burren meeting 2009