Syn.: Coelocaulon aculeatum (Schreb.) Link, Cornicularia aculeata (Schreb.) Ach., C. tenuissima (L.) Zahlbr.

On soil in heaths, on slate debris in abandoned quarries, on sandstone rocks, also present in slightly acidified Mesobromion communities.

Belgium: Mar.: R, Camp.: AR, decreasing rapidly, Brab.: RR, Mosan: AR, Ard.: AR, Lorr.: R.

Luxembourg: Ard.: AR, Lorr.: R.

France: Mar.: R, Mosan: RRR.

Lit.: Boul.: 67, La66: 445, Mü1: 154.