Wieczorek, A., Łysko, A., Popiela, A. & Śliwa, L. 2017. Additions to the flora of lichenized and lichenicolous fungi of Bornholm (Denmark). — Herzogia 30: 304–308.
Based on a recent collection from Bornholm island, two lichens, Lecanora thysanophora and Micarea nigella, and two lichenicolous fungi, Dactylospora parasitica and Illosporiopsis christiansenii are newly reported; the first species is new record for Denmark and the others are new to Bornholm.