Irish lichens

Fuscidea lightfootii
Order: Incertae sedis       Family: Fuscideaceae

Species: Fuscidea lightfootii

Growth type crustose.
Photos: On willow twig. Ballingeary and Glengarriff, SW Ireland.

Often infertile, thallus forms small circular patches of bright-green to olive-brown warted and often sorediate granules. Thin apothecia are black or brownish-black, flat or slightly convex with slightly paler margins. Asci 8-spored, the spores simple, 8-11 x 3.5-4.5 µm, medianly constricted. Colourless, sometimes brown when old.
Chemical reactions negative, UV+ white or UV-

Frequent on smooth-barked twigs, particularly Willow (Salix), in wet woodlands and boggy areas.


Fuscidea lightfootii

Fuscidea lightfootii

Fuscidea lightfootii
Fuscidea lightfootii.

Please contact me if you find errors. All images used are copyright.