Syn. V. mutabilis auct. p.p., non Leight., incl. V. floerkeana Dalla Torre & Sarnth.

On calcareous, either natural or artificial substrates.

Belgium: Brab.: RRR, Mosan: AR, Ard.: R, Lorr.: RRR.

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

France: Ard.: RRR.

Lit.: BDL3: 34, NL84: 18, NL87: 23.