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  1. By: Tønsberg, Tor
    Type: Article
    In: Evansia
    Volume: 11
    Issue: 3
    Date: 1994
    Page Range: 100--101
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  2. By: Tønsberg, Tor
    Type: Article
    In: Evansia
    Volume: 12
    Issue: 1
    Date: 1995
    Page Range: 27--30
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  3. By: Tønsberg, Tor - Coppins, Brian
    Type: Article
    In: Evansia
    Volume: 17
    Issue: 4
    Date: 2000
    Page Range: 135--136
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  4. By: Tønsberg, Tor
    Type: Article
    In: Evansia
    Volume: 12
    Issue: 2
    Date: 1995
    Page Range: 66--67
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  5. By: Tønsberg, Tor - Henssen, Aino
    Type: Article
    In: Evansia
    Volume: 16
    Issue: 4
    Date: 1999
    Page Range: 184--184
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  6. By: Tønsberg, Tor - McCune, Bruce
    Type: Article
    In: Evansia
    Volume: 18
    Issue: 4
    Date: 2001
    Page Range: 128--128
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  7. By: Tønsberg, Tor - Williams, Cameron
    Type: Article
    In: Evansia
    Volume: 23
    Issue: 4
    Date: 2006
    Page Range: 80--81
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  8. By: Ekman, Stefan - Tønsberg, Tor
    Type: Article
    In: MycoKeys
    Volume: 48
    Date: 2019
    Page Range: 55-65
    Publication Info: Pensoft Publishers 2019
  9. By: Rodrigues, Sandrina Azevedo - Tønsberg, Tor - Terrón-Alfonso, Arsenio - Soares, Amadeu M V M
    Type: Article
    In: Mycotaxon
    Volume: 115
    Issue: 1
    Date: 2011
    Page Range: 335--344
    Publication Info: Ithaca, N.Y Mycotaxon
  10. By: Tønsberg, Tor - Goward, Trevor
    Type: Article
    In: Evansia
    Volume: 9
    Issue: 2
    Date: 1992
    Page Range: 56--58
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  11. By: Tønsberg, Tor - Blom, Hans H. - Goffinet, Bernard - Holtan-Hartwig, Jon - Lindblom, Louise
    Type: Article
    In: Opuscula philolichenum
    Volume: 15
    Date: 2016
    Page Range: 12--21
    Publication Info: Philadelphia J. Lendemer 2004-
  12. By: Tønsberg, Tor
    Type: Article
    In: Evansia
    Volume: 19
    Issue: 2
    Date: 2002
    Page Range: 78--79
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  13. By: McHenry, Gayle - Tønsberg, Tor
    Type: Article
    In: Evansia
    Volume: 19
    Issue: 4
    Date: 2002
    Page Range: 158--160
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  14. By: Lendemer, James C. - Tønsberg, Tor
    Type: Article
    In: Opuscula philolichenum
    Volume: 13
    Date: 2014
    Page Range: 20--25
    Publication Info: Philadelphia J. Lendemer 2004-
  15. By: Rosso, Abbey L. - McCune, Bruce - Tønsberg, Tor - Printzen, Christian
    Type: Article
    In: Evansia
    Volume: 16
    Issue: 3
    Date: 1999
    Page Range: 137--142
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  16. By: Hopkins, Bjarke - Tønsberg, Tor
    Type: Article
    In: Evansia
    Volume: 23
    Issue: 2
    Date: 2006
    Page Range: 34--35
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  17. By: Tønsberg, Tor
    Type: Article
    In: Opuscula philolichenum
    Volume: 4
    Date: 2007
    Page Range: 51--54
    Publication Info: Philadelphia J. Lendemer 2004-
  18. By: Tønsberg, Tor
    Type: Article
    In: Evansia
    Volume: 23
    Issue: 3
    Date: 2006
    Page Range: 61--63
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  19. By: Ptach-Styn, Łucja - Guzow-Krzemińska, Beata - Lendemer, James C. - Tønsberg, Tor - Kukwa, Martin
    Type: Article
    In: MycoKeys
    Volume: 102
    Date: 2024
    Page Range: 155--181
    Publication Info: Pensoft Publishers 2024
  20. By: Tønsberg, Tor
    Type: Article
    In: Opuscula philolichenum
    Volume: 17
    Date: 2018
    Page Range: 1--5
    Publication Info: Philadelphia J. Lendemer 2004-