Lichens of Belgium, Luxembourg and northern France
Trapelia placodioides Coppins & P. James |
Saxicolous, on siliceous and sandstone rocks, able to colonize highly artificial habitats like rusted iron of old rails.
Belgium: Fl.: R, Camp.: RR, Brab.: RR, Mosan: RR, Ard.: AR.
Luxembourg: Ard.: R, Lorr.: RR.
France: Ard.: RR.
Lit.: L4: 31-32, NL92: 174, NL97: 56.