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  3. Geir Harald Mathiassen
Bilde av Mathiassen, Geir Harald
Foto: June Åsheim
Bilde av Mathiassen, Geir Harald
Norges arktiske universitetsmuseum geir.mathiassen@uit.no +4777620783 92296169 Tromsø

Geir Harald Mathiassen

Førsteamanuensis

Stillingsbeskrivelse

Curator of Cryptogamic herbarium (TROM)

  • Juan Carlos Zamora, Måns Svensson, Roland Kirschner, Ibai Olariaga, Svengunnar Ryman, Luis Alberto Parra m.fl.:
    Considerations and consequences of allowing DNA sequence data as types of fungal taxa
    IMA Fungus 2018 ARKIV / DOI
  • Geir Harald Mathiassen, Alfred Granmo, Øyvind Stensrud :
    Lophiotrema lennartii and Lophiotrema kerstiniae – two new species from Norway and Sweden.
    Sydowia 2017 DOI
  • Geir Harald Mathiassen, Alfred Granmo, Øyvind Stensrud :
    Lophiotrema borealiforme, a new species close to L. boreale.
    Karstenia 2017 DOI
  • Teppo Rämä, Marie Louise Davey, Jenni Nordén, Rune Halvorsen, Rakel Blaalid, Geir Harald Mathiassen m.fl.:
    Fungi sailing the Arctic ocean: speciose communities in North Atlantic driftwood as revealed by high-throughput amplicon sequencing
    Microbial Ecology 2016 DOI
  • Geir Harald Mathiassen, Alfred Granmo, Teppo Rämä :
    Barrmaelia pseudobombarda (Ascomycota), a rare European species with a peculiar disjunct distribution
    Österreichische Zeitschrift für Pilzkunde 2015 ARKIV / DOI
  • Eric WA Boehm, Guy Marson, Geir Harald Mathiassen, Alain Gardiennet, Conrad L Schoch :
    An overview of the genus Glyphium and its phylogenetic placement in Patellariales
    Mycologia 2015 DOI
  • Teppo Rämä, Jenni Nordén, Marie Davey, Geir Harald Mathiassen, Joseph W. Spatafora, Håvard Kauserud :
    Fungi ahoy! Diversity on marine wooden substrata in the high North
    Fungal ecology 2014 ARKIV / DOI
  • Teppo Rämä, Geir Harald Mathiassen, Håvard Kauserud :
    Marine fungi new to Norway, with an outlook to the overall diversity
    Agarica 2014
  • Geir Harald Mathiassen, Alfred Granmo, Teppo Rämä :
    Lophium elegans (Ascomycota), a rare European species
    Mycotaxon 2014 ARKIV / DOI
  • Geir Harald Mathiassen, Alfred Granmo :
    Rhynchostoma minutum (Ascomycota), en særegen og sjelden sekksporesopp i Norge
    Agarica 2013
  • Alfred Granmo, Geir Harald Mathiassen :
    A new species of Dothiopeltis from Norway
    Sydowia 2013
  • Geir Harald Mathiassen, Alfred Granmo, Teppo Rämä :
    Saccardoella kanderana (Ascomycota) - species and genus new to Finland
    Karstenia 2013 DOI
  • Alfred Granmo, Teppo Rämä, Geir Harald Mathiassen :
    The secrets of Cryptomyces maximus (Rhytismataceae) - Ecology and distribution in Norden, and a morphological and ontogenetic update
    Karstenia 2012 DOI
  • Jarle Werner Bjerke, Geir Harald Mathiassen, Alfred Granmo, Leif Tibell :
    Phaeocalicium compressulum new to North Norway
    Graphis Scripta 2011
  • Geir Harald Mathiassen, Alfred Granmo, Guðríður Gyða Eyjólfsdóttir, Øyvind Stensrud :
    Hypoxylon macrosporum P. Karst., a new species for Iceland
    Acta Botanica Islandica 2011
  • Geir Harald Mathiassen, Alfred Granmo, Teppo Rämä :
    Hypoxylon macrosporum P.Karst. (Xylariaceae) new to Finland - and a new northern limit
    Karstenia 2011 DOI
  • Geir Harald Mathiassen, Alfred Granmo :
    Ophiognomonia (Ascomycota) new to Norway
    Agarica 2011
  • Geir Harald Mathiassen, Alfred Granmo :
    Amphisphaerella erikssonii (Ascomycota), en sjelden art med ny nordgrense i Norge
    Agarica 2011
  • Geir Harald Mathiassen, Alfred Granmo, Trine Bottolfsen, Per Marstad :
    Gulnende reddikmusserong (Tricholoma sulphurescens Bres.) i Norge
    Agarica 2007
  • Geir Harald Mathiassen, Rune Halvorsen Økland, Rune Halvorsen Økland :
    Relative importance of host tree species and environmental gradients for epiphytic species composition, exemplified by pyrenomycetes s. lat. (Ascomycota) on Salix in central north Scandinavia
    Ecography 2007 DOI
  • Geir Harald Mathiassen, Alfred Granmo :
    Beltekullsopp (Daldinia concentrica) i Norge. Status og historisk oversikt
    Polarflokken 2002
  • Geir Harald Mathiassen, Alfred Granmo :
    Om et funn av beltekullsopp i Nordreisa (Troms) � en sopp som inntil nylig har vært kalt Daldinia concentrica (Bolton : Fr.) Ces. & De Not
    Polarflokken 2001
  • Alfred Granmo, Geir Harald Mathiassen :
    Albatrellus syringae (Albatrellaceae) in Fennoscandia and the Baltic region: ecology and distribution
    Karstenia 2001
  • Alfred Granmo, Geir Harald Mathiassen :
    Albatrellus syringae and A. Peckianus (Albatrellaceae): taxonomic remarks and world distribution
    Karstenia 2001
  • Geir Harald Mathiassen :
    Glyphium grisonense Math. Norwegian Fungus of the Month � January 2001 (Mytilinidiaceae, Dothidiales, Incertae sedis, Ascomycota)
    http://www.uio.no/conferences/imc7/ 2001
  • Geir Harald Mathiassen, Alfred Granmo, Oddrun Abelsen :
    Bestemmelse av ukjent sopp over telefon � et tvilsomt foretak. Seig østerssopp (Pleurotus dryinus s.l.) i Norge
    Polarflokken 2000
  • Alfred Granmo, Geir Harald Mathiassen :
    Stubbehorn (Xyrlaria) i Nord-Norge
    Polarflokken 2000
  • Geir Harald Mathiassen, Alfred Granmo, Ola Skifte :
    Tretti år med gulporet fåresopp (Albatrellus syringae) i Nord-Norge, og dens nåværende norske utbredelse
    Polarflokken 1999
  • Margaret E. Barr, Geir Harald Mathiassen :
    Proposed redisposition of Schizostoma vicinum and a newly recognized taxon
    Mycotaxon 1998
  • Geir Harald Mathiassen, Alfred Granmo :
    The 11th Nordic Mycological Congress in Skibotn, North Norway 1992
    Rapport 1995
  • Geir Harald Mathiassen :
    Corticolous and lignicolous Pyrenomycetes s. lat. (Ascomycetes) on Salix along a mid-Scandinavian transect
    Sommerfeltia 1993
  • Geir Harald Mathiassen :
    Some corticolous and lignicolous Pyrenomycetes s. lat. (Ascomycetes) on Salix in Troms, N Norway
    Sommerfeltia 1989
  • Geir Harald Mathiassen, Alfred Granmo, Kolbjørn Mohn Jenssen :
    Et oppsiktsvekkende soppfunn i Lavangsdalen (Troms)
    Polarflokken 2016
  • Teppo Rämä, Marie Louise Davey, Jenni Nordén, Rune Halvorsen, Rakel Blaalid, Geir Harald Mathiassen m.fl.:
    High-throughput amplicon sequencing reveals high fungal diversity in North Atlantic driftwood
    2016
  • Teppo Rämä, Jenni Nordén, Marie Davey, Geir Harald Mathiassen, JW Spatafora, Håvard Kauserud :
    Diversity of wood-inhabiting marine fungi in the high North
    2013
  • Geir Harald Mathiassen, Alfred Granmo :
    Sluttrapport for Artsprosjektet Sekksporesopper i Finnmark 2010 – 2011. Tromsø Museum, Universitetsmuseet 2012, ADB 56-09, Prosjekt 70184216
    Artsdatabanken 2012
  • Geir Harald Mathiassen, Alfred Granmo, Teppo Rämä :
    Livets ark 23: Fagervokssopp Hygrophorus calophyllus
    2011 FULLTEKST
  • Teppo Rämä, Geir Harald Mathiassen :
    Livets ark 11: Marin sekksporesopp, Amylocarpus encephaloides
    2010 FULLTEKST
  • Geir Harald Mathiassen, Alfred Granmo, Per Marstad :
    Vårtrevlesopp Inocybe ereubescens - en sjelden rødlisteart med ny nordgrense i Norge (Polarflokken 2005)
    Polarflokken 2008
  • Geir Harald Mathiassen, Alfred Granmo, Per Marstad :
    Soppfunn i Troms høsten 2003 - med kommentarer til interessante, sjeldne og rødlista arter (Polarflokken 2005)
    Polarflokken 2008
  • Alfred Granmo, Geir Harald Mathiassen :
    Soppforeninger i Norge og litt nordnorsk sopphistorie
    Polarflokken 2005
  • Geir Harald Mathiassen :
    Review and evaluation of the article �Molecular phylogeny of Leptosphaeria and Phaeosphaeria�, in relation to my project on the Lophiostomataceae sensu lato
    UiT Norges arktiske universitet 2002
  • Geir Harald Mathiassen :
    Alfred Granmo - doktorgrad i mykologi ved Universitetet i Tromsø på sitt arbeid om råtesopper og halvparasittære sopper på nordiske lauvtrær
    Polarflokken 2000
  • Alfred Granmo, Geir Harald Mathiassen, Trond Schumacher :
    Biologisk mangfold i soppriket
    Ottar 1998
  • Geir Harald Mathiassen, Alfred Granmo, Torstein Engelskjøn :
    Curator emeritus Ola Skifte � 75 years old
    Agarica 1998
  • Geir Harald Mathiassen :
    De naturhistoriske samlingene ved Tromsø Museum sett i sammenheng med Universitetsmuseenes naturhistoriske dokumentasjonsprosjekt (UNADOK)
    UiT Norges arktiske universitet 1996
  • Alfred Granmo, Geir Harald Mathiassen, Brynhild Mørkved :
    Ola Skifte
    Polarflokken 1993
  • Geir Harald Mathiassen :
    Corticolous and lignicolous Pyrenomycetes s. lat. (Asco-mycetes) on Salix along a mid-Scandinavian transect
    UiT Norges arktiske universitet 1992
  • Geir Harald Mathiassen :
    Sopp fra Svanvik, Sør-Varanger, 1990
    Polarflokken 1990
  • Geir Harald Mathiassen :
    Svartsporinger
    Ottar 1987

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    Publikasjoner utenom Cristin

    Publications

    Mathiassen G & Granmo A, 2011: Amphisphaerella erikssonii (Ascomycota), a rare fungus with a new northern limit in Norway. Agarica 30: In press. 

    Mathiassen G, Granmo A & Rämä T, 2011: Hypoxylon macrosporum P. Karst. (Xylariaceae) new to Finland – and a new northern limit. Karstenia 2011: In press.

    Bjerke JW, Mathiassen G, Granmo A & Tibell L, 2011: Phaeocalicium compressulum new to North Norway and with a new northern distribution limit. Graphis Scripta 2011. In press.

    Mathiassen G & Granmo A, 2011: Ophiognomonia rosae (Ascomycota) new to Norway. Agarica 30: 77-80. 

    Mathiassen G, Granmo A, Eyjólfsdóttir GG & Stensrud Ø, 2011: Hypoxylon macrosporum Karst., a new species for Iceland. Acta Botanica Islandica 15: 3-9.

    Mathiassen G, Granmo A, Bottolfsen T & Marstad P, 2007: Tricholoma sulphurescens Bres. in Norway. Agarica 27: 13-17.

    Mathiassen GH & Økland RH, 2007: Relative importance of host tree species and environmental gradients for epiphytic species composition, exemplified by pyrenomycetes s. lat. (Ascomycota) on Salix in central north Scandinavia. Ecography 30:251-263.

    Granmo A & Mathiassen G, 2001: Albatrellus syringae and A. peckianus (Alba-trellaceae): taxonomic remarks and world distribution. Karstenia 41: 49-54. Helsinki.

    Granmo A & Mathiassen G, 2001: Albatrellus syringae (Albatrellaceae) in Fenno-scandia and the Baltic region: ecology and distribution. Karstenia 41: 37-48. Helsinki.

    Mathiassen G, 2001: Glyphium grisonense Math. Norwegian Fungus of the Month – January 2001 (Mytilinidiaceae, Dothidiales, Incertae sedis, Ascomycota). http://www.uio.no/conferences/imc7/

    Barr ME & Mathiassen G, 1998: Proposed redisposition of Schizostoma vicinum and a newly recognized taxon. Mycotaxon 69: 159-165.

    Mathiassen G & Granmo A, 1995: The 11th Nordic Mycological Congress in Skibotn, North Norway 1992: Univ. Trondheim. Vitensk.Mus. Rapp. Bot. Ser. 1995-6: 1-77.

    Mathiassen G, 1993: Corticolous and lignicolous Pyrenomycetes s. lat. (Ascomycetes) on Salix along a mid-Scandinavian transect. Sommerfeltia 20: 1-180.

    Mathiassen G, 1989: Some corticolous and lignicolous Pyrenomycetes s. lat. (Ascomycetes) on Salix in Troms, N Norway. Sommerfeltia 9: 1-100.

    Popular publications

    Mathiassen G, Granmo A & Rämä T, 2011. Livets ark 23: Fagervokssopp Hygrophorus calophyllus. https://uit.no/Content/223632/livets_ark23_fagervokssopp.pdf

    Rämä T & Mathiassen G, 2010. Livets ark 11: Marin sekksporesopp Amylocarpus encephaloides. https://uit.no/Content/207316/livets_ark_soppsporer.pdf

    Mathiassen G, Granmo A, Ramberg E, Werner H & Marstad P, 2009: Clavaria rosea – a rare, red-listed fungus with new northern limit in Norway. Polarflokken 33 (1): 3-9.

    Mathiassen G, Granmo A, Bottolfsen T & Marstad P, 2009: New northern limit in Norway for Tricholoma sulphurescens. Polarflokken 33 (1): 23-26.

    Mathiassen G, Granmo A & Marstad P, 2005: Inocybe erubescens - a rare, red-listed fungus with a new northern limit in Norway. Polarflokken 29 (1-2): 27-31.

    Mathiassen G, Granmo A & Marstad P, 2005: Autumnal finds of mushrooms in Troms county, North Norway, 2003, with comments on interesting, rare and red-listed species. Polarflokken 29 (1-2): 3-26.

    Mathiassen G & Granmo A, 2002: History and current status of Daldinia concentrica in Norway. Polarflokken 26 (2): 133-143.

    Mathiassen G, 2001: A record of Daldinia in Nordreisa (Troms) – the species which until recently was called Daldinia concentrica (Bolton : Fr.) Ces. & De Not. Polarflokken 25 (1): 103-106.

    Mathiassen G, 2000: Alfred Granmo – dr. scient. in mycology at the University of Tromsø, and his work concerning saprobic and semi-parasitic fungi on Nordic deciduous trees. Polarflokken 24 (2): 179-187.

    Granmo A & Mathiassen G, 2000: The genus Xylaria in North Norway. Polarflokken 24 (2): 147-154.

    Mathiassen G, Granmo A & Abelsen O, 2000: Identification of mushrooms per telephone – a dubious undertaking. Pleurotus dryinus s.l. in Norway. Polarflokken 24 (1): 41-48.

    Mathiassen G, Granmo A & Skifte O, 1999: Thirty years with Albatrellus syringae (Parmasto) Pouzar in North Norway, and its present Norwegian distribution. Polarflokken 23 (2): 157-164.

    Granmo A, Mathiassen G & Schumacher T, 1998: Biologisk mangfold i soppriket. Ottar 222 (4): 17-24.

    Mathiassen G, Granmo A & Engelskjøn T, 1998: Curator emeritus Ola Skifte – 75 years old. Agarica 15: VII.

    Granmo A, Mathiassen G & Mørkved B, 1993: Ola Skifte. Polarflokken (17) 2: 177-178.

    Mathiassen G, 1990: Sopp fra Svanvik, Sør-Varanger, 1990. Polarflokken 14 (2): 195-203.

    Mathiassen G, 1987a: Brunsporinger. Ottar 167 (4): 30-33.

    Mathiassen G, 1987: Svartsporinger. Ottar 167 (4): 25-29.

    Mathiassen G, 1984: Kjuketur 8. mai med Gaute Mohn Jenssen. Polarflokken 8 (3): 169-17.

    Mathiassen G, 1983: Sopptur til Straumsbukta, Kvaløya, Tromsø kommune. Blyttia 41 (2): 85-86.

    Mathiassen G,1982a: Soppekskursjon til Dividalen. Blyttia 40 (2): 134-135.

    Mathiassen G, 1982: Vrangpipe Merismodes anomalus (Pers. ex Fr.) Sing. en interessant vedboende sopp. Polarflokken 6 (2): 115-122.

    Thesis

    Mathiassen G, 1992: Corticolous and lignicolous Pyrenomycetes s. lat. (Ascomycetes) on Salix along a mid-Scandinavian transect. Dr. Scient. avhandling, Universitetet i Tromsø. Unpublished.

    Mathiassen G, 1985: Pyrenomyceter (Ascomyceter) på Salix i Troms. Hovedfag-soppgave (Cand. real.), Universitetet i Tromsø. Unpublished.

    Reports

    Mathiassen G, 2002: Review and evaluation of the article ”Molecular phylogeny of Leptosphaeria and Phaeosphaeria”, in relation to the project on the Lophiostomataceae sensu lato. Scientific review in molecular genetics, University of Tromsø, Tromsø, 21 pages. Unpublished.

    Mathiassen G,1996: De naturhistoriske samlingene ved Tromsø Museum sett i sammenheng med Universitetsmuseenes naturhistoriske dokumentasjonsprosjekt (UNADOK). Rapport, Tromsø Museum, Universitetet i Tromsø. 40 pages. Unpublished.

    Forskningsinteresser

    Pyrenomycetes (Ascomycetes)

    Taxonomy, ecology and distribution in northern regions