Irish lichens

Xanthoparmelia mougeotii
Order: Lecanorales       Family: Parmeliaceae

Species: Xanthoparmelia mougeotii

Growth type foliose.
Photos: On acidic upland rock. Ballingeary, Cork, SW Ireland.

Thallus of narrow, radiating, +/- flat yellowish-grey lobes, closely adpressed. Black lower surface with short, simple rhizines. Centre becomes darker grey-yellow and covered with scattered pale grey soralia. Apothecia rare, discs brown, margins often sorediate.

On well-lit siliceous rocks, tombstones, gravel and quartz chippings. Medulla K+ yellow-orange, C-, KC+ orange, P+ orange, UV-

Similar: Arctoparmelia incurva.
Medulla K-, C-, KC+ pink, P+ rust-red, UV+ blue-white

Xanthoparmelia mougeotii

Xanthoparmelia mougeotii

Xanthoparmelia mougeotii
Xanthoparmelia mougeotii. February and August 2009

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