Lichens of Belgium, Luxembourg and northern France

Distribution map of Verrucaria viridula (Schrad.) Ach. © by Paul Diederich   Verrucaria viridula (Schrad.) Ach.
« Verrucaria umbrinulaVerrucaria xyloxena »

Syn.: V. obductilis (Nyl.) Zschacke, V. polygonia Körb.

On calcareous or siliceous, natural outcrops, and on artificial substrates (walls, concrete, mortar, etc.).

Belgium: Mar.: RR, Fl.: R, Camp.: R, Brab.: R, Mosan: AR, Ard.: RR, Lorr.: RR.

Luxembourg: Ard.: RRR, Lorr.: AC.

France: Mar.: RR, Boul.: RRR, Lorr.: RR. Most probably common, but under-recorded in large parts of the study area.

Lit.: Boul.: 74, Ertz: 46, NL84: 18, NL87: 24, NL92: 165, NL93: 46, NL97: 58, Zschacke (1933: 115).

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