Irish lichens

Hypogymnia physodes
Order: Lecanorales       Family: Parmeliaceae

Species: Hypogymnia physodes

Growth type foliose.
Photos: On Larch, Salix and Oak. Co. Cork, SW Ireland.

Variable. Shiny grey-blue or greenish orbicular thallus, wide or narrow radiating lobes. Lobe tips often with black pycnidia, farinose soredia extend round margins. Rarely fertile, apothecia red-brown.

Common on acidic trees, branches and twigs, fences and rocks.
Cortex K+ yellow, UV+ purplish. Medulla KC+ red, P+ orange-red, UV+ ice-blue

Similar: Hypogymnia tubulosa


Hypogymnia physodes


Hypogymnia physodes


Hypogymnia physodes


Hypogymnia physodes
Hypogymnia physodes.

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