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Pycnothelia papillaria Dufour Ann. Gén. Sci. Phys. 8: 46. Mai 1821. England, Surrey, Bagshot; drawing in Dillenius, Hist. Musc.: t. 16, f. 28. 1742.,
  Epitype OXF-Dillenius- No. 107.28
  Lectotype: Laundon, J. R. 1986. Studies in the nomenclature of British lichens II. Lichenologist 18: 169-177.