/ UiT Norges arktiske universitet
 

Geir Harald Mathiassen. foto June Åsheim

Mathiassen, Geir Harald


Førsteamanuensis
Seksjon naturvitenskap


Telefon: 776 20783
Mobil jobb / Mobil privat: / 92296169
Epost : geir.mathiassen@uit.no
Kontor/besøksadresse : TMU BOTANISK 116 / Tromsø Museum botanisk avd.
Funksjon : Førsteamanuensis

Stillingsbeskrivelse:

Curator of Cryptogamic herbarium (TROM)

Forskningsinteresser

Pyrenomycetes (Ascomycetes)

Taxonomy, ecology and distribution in northern regions

Forskningsprosjekter

Northern Ascomycota: Taxonomy, systematics and phylogeny of selected pyrenomycetes

- The Lophiostomataceae s. lato:

The Lophiostoma compressum – complex in Fennoscandia

The genus Lophiostoma

The genus Lophiotrema

- The Xylariaceae:

The genus Amphisphaerella

The genus Entoleuca (A. Granmo)

- Ascomycetes in Finnmark County (Artsdatabanken: The Norwegian Biodiversity Information Centre)

 

PhD and master students:

Teppo Rämä (2010-2014 PhD): Taxonomy and biodiversity of wood-inhabiting marine fungi in the North Atlantic

Virve Ravolainen (1998-2000 M. Sc.). Beitesopper i kulturlandskapet på Reinøya i Troms

Alfred Granmo (1993-1998 PhD). A regional study of the genera Biscogniauxia, Hypoxylon and Nemania (Xylariaceae) in the Nordic countries

Andre publikasjoner

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. http://uit.no/Content/223632/livets_ark23_fagervokssopp.pdf

Rämä T & Mathiassen G, 2010. Livets ark 11: Marin sekksporesopp Amylocarpus encephaloides. http://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.

Arbeider i CRIStin

  • Rämä, Teppo; Nordén, Jenni; Davey, Marie; Mathiassen, Geir Harald; Spatafora, Joseph W.; Kauserud, Håvard. Fungi ahoy! Diversity on marine wooden substrata in the high North. Fungal ecology 2014; Volum 8. ISSN 1754-5048.s 46 - 58.s doi: 10.1016/j.funeco.2013.12.002.
  • Rämä, Teppo; Mathiassen, Geir Harald; Kauserud, Håvard. Marine fungi new to Norway, with an outlook to the overall diversity. Agarica 2014; Volum 35. ISSN 0800-1820.
  • Mathiassen, Geir Harald; Granmo, Alfred. Rhynchostoma minutum (Ascomycota), en særegen og sjelden sekksporesopp i Norge. Agarica 2013; Volum 33. ISSN 0800-1820.s 87 - 91.
  • Granmo, Alfred; Mathiassen, Geir Harald. A new species of Dothiopeltis from Norway. Sydowia 2013; Volum 65 (2). ISSN 0082-0598.s 343 - 348.
  • Mathiassen, Geir Harald; Granmo, Alfred; Rämä, Teppo. Saccardoella kanderana (Ascomycota) - species and genus new to Finland. Karstenia 2013; Volum 53. ISSN 0453-3402.
  • Granmo, Alfred; Rämä, Teppo; Mathiassen, Geir Harald. The secrets of Cryptomyces maximus (Rhytismataceae) - Ecology and distribution in Norden, and a morphological and ontogenetic update.. Karstenia 2012. ISSN 0453-3402.
  • Bjerke, Jarle Werner; Mathiassen, Geir Harald; Granmo, Alfred; Tibell, Leif. Phaeocalicium compressulum new to North Norway. Graphis Scripta 2011; Volum 23. ISSN 0901-7593.s 33 - 35.
  • Mathiassen, Geir Harald; Granmo, Alfred. Amphisphaerella erikssonii (Ascomycota), en sjelden art med ny nordgrense i Norge.. Agarica 2011; Volum 31. ISSN 0800-1820.s 123 - 127.
  • Mathiassen, Geir Harald; Granmo, Alfred. Ophiognomonia (Ascomycota) new to Norway. Agarica 2011; Volum 30. ISSN 0800-1820.s 77 - 80.
  • Mathiassen, Geir Harald; Granmo, Alfred; Eyjólfsdóttir, Guðríður Gyða; Stensrud, Øyvind. Hypoxylon macrosporum P. Karst., a new species for Iceland. Acta Botanica Islandica / Náttúrufræðistofnun Íslands 2011 (15). ISSN 0374-5066.s 3 - 9.
  • Mathiassen, Geir Harald; Granmo, Alfred; Rämä, Teppo. Hypoxylon macrosporum P.Karst. (Xylariaceae) new to Finland - and a new northern limit. Karstenia 2011; Volum 51 (1). ISSN 0453-3402.s 17 - 22.
  • Mathiassen, Geir Harald; Granmo, Alfred; Bottolfsen, Trine; Marstad, Per. Gulnende reddikmusserong (Tricholoma sulphurescens Bres.) i Norge.. Agarica 2007; Volum 27. ISSN 0800-1820.s 13 - 17.
  • Mathiassen, Geir Harald; Økland, Rune Halvorsen; Økland, Rune Halvorsen. 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; Volum 30. ISSN 0906-7590.s 251 - 263.s doi: 10.1111/j.2006-0906-7590-04665.x.
  • Mathiassen, Geir Harald; Granmo, Alfred. Beltekullsopp (Daldinia concentrica) i Norge. Status og historisk oversikt. Polarflokken 2002; Volum 26 (2). ISSN 0332-9119.s 133 - 143.
  • Granmo, Alfred; Mathiassen, Geir Harald. Albatrellus syringae and A. Peckianus (Albatrellaceae): taxonomic remarks and world distribution. Karstenia 2001; Volum 41. ISSN 0453-3402.s 49 - 54.
  • Mathiassen, Geir Harald; Granmo, Alfred. 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; Volum 25 (1). ISSN 0332-9119.s 103 - 106.
  • Mathiassen, Geir Harald. Glyphium grisonense Math. Norwegian Fungus of the Month � January 2001 (Mytilinidiaceae, Dothidiales, Incertae sedis, Ascomycota). http://www.uio.no/conferences/imc7/ 2001.
  • Granmo, Alfred; Mathiassen, Geir Harald. Albatrellus syringae (Albatrellaceae) in Fennoscandia and the Baltic region: ecology and distribution. Karstenia 2001; Volum 41. ISSN 0453-3402.s 37 - 48.
  • Granmo, Alfred; Mathiassen, Geir Harald. Stubbehorn (Xyrlaria) i Nord-Norge. Polarflokken 2000; Volum 24 (2). ISSN 0332-9119.s 147 - 154.
  • Mathiassen, Geir Harald; Granmo, Alfred; Abelsen, Oddrun. Bestemmelse av ukjent sopp over telefon � et tvilsomt foretak. Seig østerssopp (Pleurotus dryinus s.l.) i Norge. Polarflokken 2000; Volum 24 (1). ISSN 0332-9119.s 41 - 48.
  • Mathiassen, Geir Harald; Granmo, Alfred; Skifte, Ola. Tretti år med gulporet fåresopp (Albatrellus syringae) i Nord-Norge, og dens nåværende norske utbredelse. Polarflokken 1999; Volum 23 (2). ISSN 0332-9119.s 155 - 162.
  • Barr, Margaret E.; Mathiassen, Geir Harald. Proposed redisposition of Schizostoma vicinum and a newly recognized taxon. Mycotaxon 1998; Volum 69. ISSN 0093-4666.s 159 - 165.
  • Mathiassen, Geir Harald; Granmo, Alfred. The 11th Nordic Mycological Congress in Skibotn, North Norway 1992. Rapport 1995. ISSN 0802-2992.s 1 - 77.
  • Mathiassen, Geir Harald. Corticolous and lignicolous Pyrenomycetes s. lat. (Ascomycetes) on Salix along a mid-Scandinavian transect. Sommerfeltia 1993; Volum 20. ISSN 0800-6865.s 1 - 180.
  • Mathiassen, Geir Harald. Some corticolous and lignicolous Pyrenomycetes s. lat. (Ascomycetes) on Salix in Troms, N Norway. Sommerfeltia 1989; Volum 9. ISSN 0800-6865.s 1 - 100.
  • Mathiassen, Geir Harald. Vrangpipe Merismodes anomalus (Pers. ex Fr.) Sing. en interessant vedboende sopp. Polarflokken 1982; Volum 6 (2). ISSN 0332-9119.s 115 - 122.
  • Rämä, Teppo; Nordén, Jenni; Davey, Marie; Mathiassen, Geir Harald; Spatafora, JW; Kauserud, Håvard. Diversity of wood-inhabiting marine fungi in the high North. Asian Mycological Conference 2013, 13th International Marine and Freshwater Mycology Symposium 2013-08-20 - 2013.
  • Mathiassen, Geir Harald; Granmo, Alfred. Sluttrapport for Artsprosjektet Sekksporesopper i Finnmark 2010 – 2011. Tromsø Museum, Universitetsmuseet 2012, ADB 56-09, Prosjekt 70184216.. 2012.
  • Mathiassen, Geir Harald; Granmo, Alfred; Rämä, Teppo. Livets ark 23: Fagervokssopp Hygrophorus calophyllus. (fulltekst) 2011.
  • Rämä, Teppo; Mathiassen, Geir Harald. Livets ark 11: Marin sekksporesopp, Amylocarpus encephaloides. (fulltekst) 2010.
  • Mathiassen, Geir Harald; Granmo, Alfred; Marstad, Per. Soppfunn i Troms høsten 2003 - med kommentarer til interessante, sjeldne og rødlista arter (Polarflokken 2005). Polarflokken 2008; Volum 29 (1-2). ISSN 0332-9119.s 3 - 26.
  • Mathiassen, Geir Harald; Granmo, Alfred; Marstad, Per. Vårtrevlesopp Inocybe ereubescens - en sjelden rødlisteart med ny nordgrense i Norge (Polarflokken 2005). Polarflokken 2008; Volum 29 (1-2). ISSN 0332-9119.s 27 - 31.
  • Granmo, Alfred; Mathiassen, Geir Harald. Soppforeninger i Norge og litt nordnorsk sopphistorie.. Polarflokken 2005; Volum 29 (1). ISSN 0332-9119.
  • Mathiassen, Geir Harald. Review and evaluation of the article �Molecular phylogeny of Leptosphaeria and Phaeosphaeria�, in relation to my project on the Lophiostomataceae sensu lato. 2002.
  • Mathiassen, Geir Harald. Alfred Granmo - doktorgrad i mykologi ved Universitetet i Tromsø på sitt arbeid om råtesopper og halvparasittære sopper på nordiske lauvtrær. Polarflokken 2000; Volum 24 (2). ISSN 0332-9119.s 179 - 187.
  • Mathiassen, Geir Harald; Granmo, Alfred; Engelskjøn, Torstein. Curator emeritus Ola Skifte � 75 years old. Agarica 1998; Volum 15. ISSN 0800-1820.s 7 - 7.
  • Granmo, Alfred; Mathiassen, Geir Harald; Schumacher, Trond. Biologisk mangfold i soppriket. Ottar 1998; Volum 222 (4). ISSN 0030-6703.s 17 - 24.
  • Mathiassen, Geir Harald. De naturhistoriske samlingene ved Tromsø Museum sett i sammenheng med Universitetsmuseenes naturhistoriske dokumentasjonsprosjekt (UNADOK). 1996.
  • Granmo, Alfred; Mathiassen, Geir Harald; Mørkved, Brynhild. Ola Skifte. Polarflokken 1993; Volum 17 (2). ISSN 0332-9119.s 177 - 178.
  • Mathiassen, Geir Harald. Corticolous and lignicolous Pyrenomycetes s. lat. (Asco-mycetes) on Salix along a mid-Scandinavian transect. 1992.
  • Mathiassen, Geir Harald. Sopp fra Svanvik, Sør-Varanger, 1990. Polarflokken 1990; Volum 14 (2). ISSN 0332-9119.s 195 - 203.
  • Mathiassen, Geir Harald. Brunsporinger. Ottar 1987; Volum 167 (4). ISSN 0030-6703.s 30 - 33.
  • Mathiassen, Geir Harald. Svartsporinger. Ottar 1987; Volum 167 (4). ISSN 0030-6703.s 25 - 29.
  • Mathiassen, Geir Harald. Pyrenomyceter (Ascomyceter) på Salix i Troms. 1985.
  • Mathiassen, Geir Harald. Kjuketur 8. mai med Gaute Mohn Jenssen. Polarflokken 1984; Volum 8 (3). ISSN 0332-9119.s 169 - 170.
  • Mathiassen, Geir Harald. Sopptur til Straumsbukta, Kvaløya, Tromsø kommune. Blyttia : Norsk botanisk forenings tidsskrift 1983; Volum 41 (2). ISSN 0006-5269.s 85 - 86.
  • Mathiassen, Geir Harald. Soppekskursjon til Dividalen. Blyttia : Norsk botanisk forenings tidsskrift 1982; Volum 40 (2). ISSN 0006-5269.s 134 - 135.



  •