Irish lichens

Degelia cyanoloma

Order: Peltigerales       Family: Pannariaceae

Species: Pectenia cyanoloma (Degelia cyanoloma)

Growth type foliose.
Photos: On Hazel. The Burren, Co. Clare, W Ireland
Previously regarded as a variant of Degelia plumbea, recently restored to specific rank. (The Lichenologist, Volume 42, January 2010)

Large pale grey to bluish-grey thallus with prominent black or greyish hypothallus. Lobe ends with curved tranverse ridges and fine radiating striatulation near margins. Squamules and isidia absent, apothecia frequent, discs dark red-brown to blackish.

Found on mossy trees and rocks in humid, undisturbed woodlands in the west of Ireland. Chemical reactions negative. Sometimes host to Toninia plumbina

Degelia cyanoloma

Degelia cyanoloma

Degelia cyanoloma
Degelia cyanoloma April 2009

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