Irish lichens

Peltigera collina
Order: Peltigerales       Family: Peltigeraceae

Species: Peltigera collina

Growth type foliose.
Photos: On hazel. Cathair Chomáin, the Burren, W Ireland.
BLS Burren meeting 2009

Grey-blue to brownish-grey thallus, smooth or slightly pruinose lobes to 1cm wide. Ascending margins and tips. Bluish-grey soredia forming on the +/- ragged lobe margins. Under-surface whitish with tan-colored veins and simple rhizines. Apothecia rare, dark-brown.

Found on mossy rocks and mature trees in old, undisturbed woodlands in the western half of Ireland.
Chemical reactions negative


Peltigera collina


Peltigera collina
Peltigera collina. BLS Burren meeting, April 2009

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