Lichens of Belgium, Luxembourg and northern France
Trapelia glebulosa (Sm.) J. R. Laundon |
Syn.: Trapelia involuta (Taylor) Hertel
On siliceous rocks, in natural and artificial habitats.
Belgium: Fl.: RR, Camp.: RRR, Mosan: R, Ard.: AR, Lorr.: RRR.
Luxembourg: Ard.: R, Lorr.: R.
France: Pic.: RRR, Ard.: RR.
Lit.: NL77: 23, NL84: 18, Sé: 139, 144, Hertel (1973: 511).