Irish lichens

Degelia plumbea
Order: Peltigerales       Family: Pannariaceae

Species: Pectenia plumbea s.s (Degelia plumbea s.s)

Growth type foliose. Identified by John Douglass
Photos: On Oak. Tomies wood, Killarney, Co. Kerry, SW Ireland.

Usually fertile, squamules present but lacks isidia. Thin lobes, bluish-grey, tinged +/- yellow-brown, network of linear maculae most noticeable towards margins. Blue-black hypothallus. Apothecia frequent, light reddish-brown. Ascus 8-spored, spores simple, colourless, 17-25 x 7-10 Ám. Microscope photographs below. Chemical reactions negative.

Most frequent in western Ireland on well-lit trees in un-disturbed woodland, occasional on coastal rocks. Host to Toninia plumbina

Similar: D. cyanoloma, D. atlantica and Pannaria rubiginosa


Degelia plumbea sens str

Degelia plumbea sens str

Microscope photographs
Degelia plumbea, microscope photo

Degelia plumbea, microscope photo
Degelia plumbea sens str. November 2009

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