• Tindved (Hippophaë rhamnoides) i Muséhagen 

      Salvesen, Per Harald; Jørgensen, Per Magnus (Journal article, 2018-05)
    • The troublesome genus Thamnolia (lichenized Ascomycota) 

      Jørgensen, Per Magnus (Peer reviewed; Journal article, 2019)
      A new neotypus is designated for Thamnolia vermicularis in accordance with the protologue. The taxonomy is best reflected by molecular evidence which recognizes three subspecies: the widespread subsp. vermicularis, and the ...
    • The typification of Variolaria discoidea Pers. 

      Jørgensen, Per Magnus; Schmitt, Imke (Journal article; Peer reviewed, 2023)
      The type species of the lichen genus Variolaria is V. discoidea. The name is solely based on a Hoffmann (1784) illustration. To stabilize the nomenclature, we have designated a lectotype and an epitype from Germany, for ...