• Considerations and consequences of allowing DNA sequence data as types of fungal taxa 

      Zamora, Juan Carlos; Svensson, Måns; Kirschner, Roland; Olariaga, Ibai; Ryman, Svengunnar; Parra, Luis Alberto; Geml, József; Rosling, Anna; Adamčík, Slavomír; Ahti, Teuvo; Aime, M. Catherine; Ainsworth, Martyn; Albert, László; Alberto, Altés Garcia; Albertó, Edgardo; Aronsen, Arne; Arup, Ulf; Asgari, Didier; Assyov, Boris; Atienza, Violeta; Bandini, Ditte; Baptista-Ferreira, João Luís; Baral, Hans-Otto; Bendiksby, Mika; Bendiksen, Egil; Bendiksen, Katriina; Brandrud, Tor Erik; Frisch, Andreas; Gulden, Gro; Høiland, Klaus; Holien, Håkon; Jørgensen, Per Magnus; Larsson, Karl-Henrik; Mathiassen, Geir Harald; Ronikier, Anna; Salcedo, Isabel; Schulz, Barbara; Schumacher, Trond; Senn-Irlet, Beatrice; Spribille, Toby; Taskin, Hatira; Timdal, Einar; Tønsberg, Tor; Vellinga, Else C; Vizzini, Alfredo; Vetlesen, Per; Voglmayr, Hermann; Wedin, Mats; Weholt, Øyvind; Westberg, Martin (Peer reviewed; Journal article, 2018-06)
      Nomenclatural type definitions are one of the most important concepts in biological nomenclature. Being physical objects that can be re-studied by other researchers, types permanently link taxonomy (an artificial agreement ...
    • Flora Norvegica av J.E. Gunnerus. På norsk og med kommentarer 

      Jørgensen, Per Magnus; Weidemann, Einar; Fremstad, Eli (Gunneria, Book; Peer reviewed, 2016)
      This is the first version in Norwegian of Norway’s first flora which was published in Latin in two volumes in 1766 and 1776 (the second part posthumously, by the nephew N.D. Gunnerus) by bishop Johan Ernst Gunnerus (1718–1773) ...
    • The genus Massalongia (lichenised ascomycetae) in the Southern Hemisphere 

      Jørgensen, Per Magnus; Andersen, Heidi; Elvebakk, Arve (Peer reviewed; Journal article, 2019-12-04)
      The species of Massalongia recorded and described from the Southern Hemisphere are revised and it is shown that only one is present; M. patagonica which is widespread, with populations in Australia and New Zealand that ...
    • On the typification of the lichen genus Lepra Scop. 

      Jørgensen, Per Magnus; Nimis, Pier Luigi (Peer reviewed; Journal article, 2019)
      The first typification of Lepra Scop. by Pertusaria discoidea (Pers.) Malme (= Lepra albescens (Hudson) Hafellner), made in the Paris Code (1956), is shown to be correct after studies of the original material in the Micheli ...
    • The Sticta fuliginosa group in Norway and Sweden 

      Ekman, Stefan; Tønsberg, Tor; Jørgensen, Per Magnus (Peer reviewed; Journal article, 2019)
      A recent investigation demonstrated that Sticta fuliginosa (Hoffm.) Ach., as currently treated, includes four distinct species in Europe: Sticta fuliginosa s. str., S. fuliginoides Magain & Sérus., S. ciliata Tayl., and ...
    • 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 ...