Irish lichens

Pseudevernia furfuracea

Order: Lecanorales       Family: Parmeliaceae

Species: Pseudevernia furfuracea

Growth type foliose
Photos: On Larch. Ballyvourney, Co. Cork, SW Ireland.

An ascending or pendant, strap-like thallus, the light greyish upper surface isidiate or with small lobules. The lower surface of older lobes is black.

Occurs in upland areas on siliceous rocks, acid-barked trees (e.g conifers) and fences, mainly in northern and eastern Ireland.
There are two chemical races; var. furfuracea with the medulla C-, var. ceratea, medulla C + rose-red.

Similar: Evernia prunastri. Isidia absent, under-surface whitish

Pseudevernia furfuracea

Pseudevernia furfuracea

Pseudevernia furfuracea
Pseudevernia furfuracea. On Larch twig. February 2011

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