Lichens of Belgium, Luxembourg and northern France

Distribution map of Collema crispum (Huds.) F. H. Wigg.  by Paul Diederich   Collema crispum (Huds.) F. H. Wigg.
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Collema crispum – Belgium (Mar.), Nieuwpoort-Bad – © 2008 by D. Ertz

Syn.: C. cheilum (Ach.) Ach., incl. C. crispum var. metzleri (Arnold) Degel.

On calcareous rocks, usually in moist and shaded conditions, in natural or artificial (walls, stones) habitats.

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

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

France: Mar.: R, Boul.: RR, Pic.: RRR, Brab.: RRR, Ard.: RRR, Lorr.: R.

Lit.: Boul.: 68, NL84: 13, NL92: 169, Degelius (1954: 280-298), Zwaenepoel et al. (1994: 37).

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