Syn.: Coelocaulon muricatum (Ach.) J. R. Laundon, Cornicularia muricata (Ach.) Ach., C. tenuissima (L.) Zahlbr. var. muricata (Ach.) Dalla Torre & Sarnth.

On soil in heaths, on slate debris in abandoned quarries and on sandstone rocks.

Belgium: Camp.: AR, decreasing rapidly, Brab.: RR (†1969), Mosan: RR, Ard.: AR, Lorr.: RR.

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

France: - .

Lit.: La66: 446, Mü3: 44, Kuborn & Diederich (2008).