Lichens of Belgium, Luxembourg and northern France
Thelidium dionantense (Hue) Zschacke |
Syn.: Verrucaria dionantensis Hue
On natural, calcareous outcrops.
Belgium: Mosan: RR (type locality).
Luxembourg: - .
France: - .
Lit.: Hue (1898), Tonglet (1898), Zschacke (1933: 378).