Fuscideaceae Fuscidea lightfootii Growth type crustose Chemical reactions negative, UV+ white or UV- Frequent on smooth-barked twigs and horizontal branches in wet woodlands and boggy areas. Also found on worked timber Small circular patches of bright-green to olive-brown warted, often sorediate granules. Black or brownish-black apothecia, flat or slightly convex, margins slightly paler. Asci are 8-spored, the spores simple, 8-11 x 3.5-4.5 µm, medianly constricted, sometimes brown when old. Microscope photograph below.

Microscope photograph

Fuscidea lightfootii
Studland, Dorset. September 2012