Syn.: Trichothelium aeneum (Wallr.) R. C. Harris, P. carpinea (Pers.) Zahlbr.

Corticolous on smooth bark, mainly on Carpinus, Corylus, Fagus and Fraxinus, also on twigs and leaves of Buxus, usually in sheltered coppices or woodlands.

Belgium: Mar.: RRR, Camp.: RR, Brab.: AR, Mosan: AC, Ard.: AC (but absent in Haute Ard.), Lorr.: AC.

Luxembourg: Ard.: AR, Lorr.: AC.

France: Mar.: RRR, Boul.: AR, Pic.: R, Lorr.: RR.

Lit.: Boul.: 72, Di: 197, Ho: 218, 223, NL84: 17, van den Boom & Sérusiaux (1996: 22).