Species: Melanelixia glabratula (M. fuliginosa ssp. glabratula)
Photos: On Salix trunk. The Gearagh, Cork, SW Ireland.
Shiny greenish-brown, adpressed lobes with shallow notches at apices. Under-surface is black with simple rhizines, light-brown at edges. Isidia are coralloid or simple, more regular in shape than those of M. subaurifera. Apothecia are occasional, discs red-brown, the margins often becoming isidiate.
Common on trunks and branches of deciduous trees, rare on rocks. Medulla: K-, C+ red, KC+ red, UV-
Similar: M. fuliginosa. Dark brown, mainly occurs on rocks.
Melanohalea exasperatula. Hollow isidia, medulla K-, C-, KC-
Melanelixia glabratula. The Gearagh, County Cork