Lichens of Belgium, Luxembourg and northern France

Distribution map of Verrucaria macrostoma DC.  by Paul Diederich   Verrucaria macrostoma DC.
« Verrucaria lignicolaVerrucaria maculiformis »
see legend below picture
5 mm
Verrucaria macrostoma – Luxembourg (Lorr.), Lorentzweiler – © 2009 by P. Diederich

Incl. V. macrostoma f. furfuracea B. de Lesd., syn. V. furfuracea (B. de Lesd.) Breuss, V. velana (A. Massal.) Zahlbr.

On calcareous, natural outcrops, and on artificial substrates (walls, bricks, mortar, etc.).

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

Luxembourg: Lorr.: AR.

France: Mar.: R, Boul.: RR, Lorr.: RR.

The blastidiate morph of this species is sometimes treated as the form furfuracea.

Lit.: Boul.: 73, DG: 14, Ertz: 42, La69: 98, NL84: 18, NL87: 23, NL93: 46, NL97: 57, van den Boom & Brand (2003).

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