• Biatora alnetorum (Ramalinaceae, Lecanorales), a new lichen species from western North America 

      Ekman, Stefan; Tønsberg, Tor (Peer reviewed; Journal article, 2019-03-05)
      Biatora alnetorum S. Ekman & Tønsberg, a lichenised ascomycete in the family Ramalinaceae (Lecanorales, Lecanoromycetes), is described as new to science. It is distinct from other species of Biatora in the combination of ...
    • Biodiversity and ecology of lichens of Kenai Fjords National Park, Alaska. 

      McCune, Bruce; Arup, Ulf; Breuss, Othmar; Di Meglio, Elisa; Di Meglio, Joseph; Esslinger, T.L.; Miadlikowska, Jolanta; Miller, A.E.; Rosentreter, R.; Schultz, M.; Sheard, John; Tønsberg, Tor; Walton, J. (Journal article; Peer reviewed, 2020-12)
      We inventoried lichens in Kenai Fjords National Park in Alaska, USA We assembled the known information on occurrence and ecology of lichens in this park by combining field, herbarium, and literature studies. Our results ...
    • 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 ...
    • Integrative taxonomy reveals a new species, Nephroma orvoi, in the N. parile species complex (lichenized Ascomycota) 

      Timdal, Einar; Westberg, Martin; Haugan, Reidar; Hofton, Tom Hellik; Holien, Håkon; Speed, James David Mervyn; Tønsberg, Tor; Bendiksby, Mika (Journal article; Peer reviewed, 2020)
      Our knowledge of the diversity and distribution of many groups of lichens remains poor due to unclear species boundaries and challenging species identification. We have studied the medium sized to large foliose lichen ...
    • Lecidella varangrica sp. nov. from the Varanger Peninsula, northernmost Norway 

      Haugan, Reidar; Tønsberg, Tor (Peer reviewed; Journal article, 2018)
      The new species Lecidella varangrica Haugan & Tønsberg is described from the northern shores of the Varanger Peninsula, Finnmark, Norway. It probably belongs to the saxicolous L. asema group by having a pigmented hypothecium ...
    • Lichens and associated fungi from Glacier Bay National Park, Alaska 

      Spribille, Toby; Fryday, Alan M.; Pérez-Ortega, Sergio; Svensson, Måns; Tønsberg, Tor; Ekman, Stefan; Holien, Håkon; Resl, Philipp; Schneider, Kevin; Stabentheiner, Edith; Thüs, Holger; Vondrak, Jan; Sharman, Lewis (Journal article; Peer reviewed, 2020)
      Lichens are widely acknowledged to be a key component of high latitude ecosystems. However, the time investment needed for full inventories and the lack of taxonomic identification resources for crustose lichen and ...
    • Miriquidica majae, a new lichen species from oldgrowth Picea abies forests in central Norway 

      Tønsberg, Tor; Andersen, Heidi Lie (Peer reviewed; Journal article, 2019)
      The new species Miriquidica majae Tønsberg is described from northern boreal forests in Central Norway where it is restricted to trunks of Picea abies, mainly in oldgrowth forests. Chemically M. majae recalls Myochroidea ...
    • New and noteworthy lichens and lichenicolous fungi from Norway 

      Frisch, Andreas; Klepsland, Jon T; Palice, Zdenek; Bendiksby, Mika; Tønsberg, Tor; Holien, Håkon (Journal article; Peer reviewed, 2020)
      Twelve species of lichens and lichenicolous fungi are reported as new to Fennoscandia. Additionally, we report 19 species as new to Norway. New localites are given for 47 rare or seldom collected species. The new combination ...
    • A new species of Sagiolechia (Sagiolechiaceae) from Norway, with lirelliform ascomata and 1-septate ascospores 

      Ertz, Damien; Tønsberg, Tor (Journal article; Peer reviewed, 2020)
      The new species Sagiolechia monoseptata is described from the northern boreal zone of Norway where it was found on a shaded siliceous rock under a boulder in a north-facing, small, steep scree. It is characterized by the ...
    • 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 taxonomy of the lichen Fuscidea cyathoides (Fuscideaceae, Umbilicariomycetidae, Ascomycota) in Europe 

      Zahradníková, Martina; Tønsberg, Tor; Andersen, Heidi Lie (Peer reviewed; Journal article, 2017-11)
      Based on morphometric and molecular methods, the taxonomy of the infraspecific taxa of Fuscidea cyathoides (Ach.) V. Wirth & Vězda, var. corticola (Fr.) Kalb and var. sorediata (H. Magn.) Poelt, has been assessed. No formal ...