Lichens of Belgium, Luxembourg and northern France

Distribution map of Zwackhia viridis (Ach.) Poetsch & Schied. © by Paul Diederich   Zwackhia viridis (Ach.) Poetsch & Schied.
« Zwackhia sorediifera

Syn.: Opegrapha viridis (Ach.) Behlen & Desberger, Zwackhia involuta (Wallr.) Körb.

Corticolous, mostly on smooth bark in humid and shaded forests.

Belgium: Mosan: RRR, Ard.: R.

Luxembourg: Ard.: RR, Lorr.: AR.

France: Pic.: RRR, Lorr.: RR.

Lit.: Di: 181, NL92: 172, NL97: 52, Ertz & Duvivier (2006: 51-52).

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