Lichens of Belgium, Luxembourg and northern France
Zwackhia viridis (Ach.) Poetsch & Schied. |
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).