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• Brodo, Irwin M.; Tønsberg, Tor (2019). Opegrapha halophila (Opegraphaceae), a new lichen species from coastal British Columbia, Canada, and Alaska, U.S.A.. (ekstern lenke)
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• Tønsberg, Tor; Printzen, Christian (2018). Biatora troendelagica new to North America from Alaska, USA. (ekstern lenke)
• Wirth, V.; Tønsberg, Tor; Reif, A. et al. (2018). Loxospora cristinae found in Germany.. (ekstern lenke)
• Haugan, Reidar; Tønsberg, Tor (2018). Lecidella varangrica sp. nov. from the Varanger Peninsula, northernmost Norway. (ekstern lenke)
• Elvebakk, Arve; Tønsberg, Tor (2018). Psoroma spinuliferum (Pannariaceae), a new corticolous lichen species from Alaska with two different types of cephalodia. (ekstern lenke)
• Tønsberg, Tor (2018). Varicellaria lactea new to the U.S.A. from Alaska. (ekstern lenke)
• Tønsberg, Tor (2018). Jamesiella scotica new to Fennoscandia. (ekstern lenke)
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• Holien, Håkon; Tønsberg, Tor (2017). Cliostomum piceicola, a new lichen species from oldgrowth coniferous forests in Northern Europe.. (ekstern lenke)
• Muggia, Lucia; Mancinelli, Riccardo; Tønsberg, Tor et al. (2017). Molecular analyses uncover the phylogenetic placement of the lichenized hyphomycetous genus Cheiromycina. (ekstern lenke)
• Zahradnikova, Martina; Tønsberg, Tor; Andersen, Heidi Lie (2017). The taxonomy of the lichen Fuscidea cyathoides (Fuscideaceae, Umbilicario¬mycetidae, Ascomycota) in Europe.. (ekstern lenke)
• Guzow-Krzemińska, Beata; Łubek, Anna; Malíĉek, Jir̂í et al. (2017). Lecanora stanislai, a new, sterile, usnic acid containing lichen species from Eurasia and North America. (ekstern lenke)
• Sheard, John W.; Ezhkin, A. K.; Galanina, I. A. et al. (2017). The lichen genus Rinodina (Physciaceae, Caliciales) in north-eastern Asia. (ekstern lenke)
• Resl, Philipp; Mayrhofer, Helmut; Clayden, Stephen R. et al. (2016). Morphological, chemical and species delimitation analyses provide new taxonomic insights into two groups of Rinodina. (ekstern lenke)
• Tønsberg, Tor (2016). Jamesiella scotica new to North America from USA, Alaska. (ekstern lenke)
• Cestaro, L.; Tønsberg, Tor; Muggia, L. (2016). Phylogenetic data and chemical traits characterize a new species in the lichen genus Tephromela. (ekstern lenke)
• Lücking, R.; Tønsberg, Tor (2016). Gyalideopsis pusilla (Gomphillaceae, lichenized Ascomycetes), a new species from southeastern North America. (ekstern lenke)
• Printzen, Christian; Halda, J.P.; McCarthy, J.W. et al. (2016). Five new species of Biatora from four continents. (ekstern lenke)
• Johnsen, J.I.; Tønsberg, Tor (2016). Fjordkrinslav Hypotrachyna aff. taylorensis, en for Norge og Fennoskandia ny bladlav. (ekstern lenke)
• Tønsberg, Tor (2016). Laven Fellhanera duplex ny for Norge og Fennoskandia. (ekstern lenke)
• Olsen, Oddvar; Tønsberg, Tor (2016). Thelocarpon superellum ny for Norge [Thelocarpon superellum new to Norway]. (ekstern lenke)
• Tønsberg, Tor; Goward, Trevor (2016). Cliostomum spribillei (Ramalinaceae, lichenized Ascomycetes), a new species from Western North America. (ekstern lenke)
• Palice, Zdenek; Tønsberg, Tor (2016). Porpidia nadvornikiana new to Norway. (ekstern lenke)
• Carlberg, Tom; Jørgensen, Per Magnus; Tønsberg, Tor (2016). Scytinium singulare, a new lichen species from coastal California. (ekstern lenke)
• Tønsberg, Tor; Blom, Hans H.; Goffinet, Bernard et al. (2016). The cyanomorph of Ricasolia virens comb. nov. (Lobariaceae, lichenized Ascomycetes). (ekstern lenke)
• Nygaard, Endre; Tønsberg, Tor (2015). Liten eikelav Flavoparmelia soredians funnet ny for Norge i Stavanger. (ekstern lenke)
• Tønsberg, Tor; Türk, Roman (2015). Biatora aureolepra from Austria, new to Central Europe.. (ekstern lenke)
• Kraichak, Ekaphan; Lücking, Robert; Aptroot, André et al. (2015). Hidden diversity in the morphologically variable script lichen (Graphis scripta) complex (Ascomycota, Ostropales, Graphidaceae). (ekstern lenke)
• Spribille, Toby; Tønsberg, Tor; Stabentheiner, Edith et al. (2014). Reassessing evolutionary relationships in the filamentous cyanolichen genus Spilonema (Peltigerales, Lecanoromycetes). (ekstern lenke)
• Klepsland, Jon T.; Tønsberg, Tor (2014). Schaereria corticola from the Canary Islands, new to Africa.. (ekstern lenke)
• Sheard, John W.; McCune, Bruce; Tønsberg, Tor (2014). A new corticolous species of Rinodina (Physciaceae) and two interesting range extensions for species collected from Katmai National Park, Alaska.. (ekstern lenke)
• Spribille, Toby; Resl, P.; Ahti, Teuvo et al. (2014). Molecular systematics of the wood-inhabiting, lichen-forming genus Xylographa (Baeomycetales,Ostropomycetidae) with eight new species. (ekstern lenke)
• Lendemer, James C.; Tønsberg, Tor (2014). Lepraria brodoi (Stereocaulaceae, lichenized Ascomycetes), a new species from the temperate rainforests of western Canada and southeastern Alaska, U.S.A. (ekstern lenke)
• Hauck, Markus; Tønsberg, Tor; Mayrhofer, Helmut et al. (2013). Lichen-forming and lichenicolous fungi new to Kazakhstan. (ekstern lenke)
• Hutten, M.; Arup, Ulf; Breuss, O. et al. (2013). Lichens and Lichenicolous Fungi of Yosemite National Park, California. (ekstern lenke)
• Hauck, M.; Tønsberg, Tor; Mayrhofer, H. et al. (2013). New records of lichen species from western Mongolia. (ekstern lenke)
• Tønsberg, Tor (2013). Xylographa soralifera (lichenized Ascomycetes) new to Switzerland. (ekstern lenke)
• Palice, Zdeněk; Printzen, Christian; Spribille, Toby et al. (2013). Taxonomy of the genus Myrionora, with a second species from South America. (ekstern lenke)
• Lendemer, James C.; Sheard, John W.; Thor, Göran et al. (2012). Rinodina chrysidiata, a new species from far eastern Asia and the Appalachian Mountains of North America. (ekstern lenke)
• Holien, Håkon; Tønsberg, Tor (2012). Biatora kodiakensis confirmed from Europe. (ekstern lenke)
• Tønsberg, Tor; Nordin, Anders; Tibell, Leif (2012). Amandinea lignicola, a new species from the Pacific coast of North America. (ekstern lenke)
• Sheard, John W.; Lendemer, James C.; Spribille, Toby et al. (2012). Further contributions to the genus Rinodina (Physciaceae, Lecanoromycetidae): two species new to science and a new record for the Canadian High Arctic. (ekstern lenke)
• Timdal, Einar; Tønsberg, Tor (2012). Cladonia straminea, the correct name for C. metacorallifera. (ekstern lenke)
• Dillman, Karen L.; Ahti, Teuvo; Björk, Curtis R. et al. (2012). New records, range extensions and nomenclatural innovations for lichens and lichenicolous fungi from Alaska, USA. (ekstern lenke)
• Holien, Håkon; Tønsberg, Tor (2012). Ramboldia subcinnabarina revisited. (ekstern lenke)
• Rodrigues, Sandrina Azevedo; Terrón-Alfonso, Arsenio; Elix, John A. et al. (2011). Lecanora sorediomarginata, a new epiphytic lichen species discovered along the Portuguese coast. (ekstern lenke)
• Muggia, Lucia; Nelson, Peter; Wheeler, Tim et al. (2011). Convergent evolution of a symbiotic duet: The case of the lichen genus Polychidium (Peltigerales, Ascomycota). (ekstern lenke)
• Tønsberg, Tor (2011). Pertusaria mccroryae new to Europe. (ekstern lenke)
• Rodrigues, Sandrina Azevedo; Tønsberg, Tor; Terrón-Alfonso, Arsenio et al. (2011). Chrysothrix flavovirens, Lepraria elobata, and Ochrolechia arborea new to Portugal. (ekstern lenke)
• Spribille, Toby; Perez-Ortega, Sergio; Tønsberg, Tor et al. (2010). Lichens and lichenicolous fungi of the Klondike Gold Rush National Historic Park, Alaska, in a global biodiversity context. (ekstern lenke)
• Giralt, Mireia; Van den Boom, Pieter P.G.; Tønsberg, Tor et al. (2010). New data for Rinodina flavosoralifera. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor; Glew, Katherine A. (2010). Fuscopannaria cheiroloba, a rarely collected lichen species. (ekstern lenke)
• Sheard, John; Tønsberg, Tor; Johnsen, John Inge (2010). Rinodina orculata and R. roboris new to Fennoscandia. (ekstern lenke)
• Gaarder, Geir; Tønsberg, Tor (2010). Buellia violaceofusca new to Norway. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (2010). The lichen Bryoria bicolor found fertile in western Norway. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (2010). Leptogium insigne, a new species from the Pacific Northwest of North America. (ekstern lenke)
• Tønsberg, Tor; Johnsen, John Inge (2009). Micarea stipitata and Myochroidea leprosula new to Fennoscandia. (ekstern lenke)
• Spribille, Toby; Björk, Curtis R.; Ekman, Stefan et al. (2009). Contributions to an epiphytic lichen flora of northwest North America: I. Eight new species from British Columbia inland rain forests. (ekstern lenke)
• Holien, Håkon; Tønsberg, Tor (2008). Xylographa soralifera : a new species in the X. vitiligo complex. (ekstern lenke)
• Printzen, Christian; Spribille, Toby; Tønsberg, Tor (2008). Myochroidea, a new genus of corticolous, crustose lichens to accommodate the Lecidea leprosula group. (ekstern lenke)
• Tønsberg, Tor; Johnsen, John Inge (2008). Fuscidea lightfootii new to Fennoscandia. (ekstern lenke)
• Holien, Håkon; Tønsberg, Tor (2008). Xylographa soralifera, a new species in the X. vitiligo complex. (ekstern lenke)
• Tønsberg, Tor (2007). Notes on the Lichen Genus Lepraria in Great Smoky Mountains National Park, southeastern North America: Lepraria lanata and L. salazinica spp. nov. (ekstern lenke)
• McCune, Bruce; Tønsberg, Tor; Ahti, T. (2007). Hypogymnia incurvoides new to Scandinavia and the Appalachian Mountains. (ekstern lenke)
• Spribille, T.; Tønsberg, Tor (2007). Mycoblastus marginatus, a new synonym for M. affinis (Mycoblastacea, Lichenized Ascomycota). (ekstern lenke)
• Spribille, T.; Tønsberg, Tor (2007). Lepraria bergensis and L. obtusatica new to Germany. (ekstern lenke)
• Printzen, Christian; Tønsberg, Tor (2007). Bacidia lobarica (Bacidiaceae, Lecanorales) sp nov., a sorediate lichen from the southeastern USA. (ekstern lenke)
• Guttová, Anna; Tønsberg, Tor; Lackovicová, Anna et al. (2007). The identity of Lecanora carpathica (Lecanoraceae) described from Slovakia. (ekstern lenke)
• Crespo, Ana; Arguello, Arturo; Lumbsch, H. Thorsten et al. (2006). A new species of Lepraria (Lecanorales : Stereocaulaceae) from the Canary Islands and the typification of Lepravia isidiata. (ekstern lenke)
• Tønsberg, Tor (2006). Notes on some lichens from the Great Smoky Mountains National Park, North Carolina/Tennessee, U.S.A. (ekstern lenke)
• Elix, John A.; Tønsberg, Tor (2006). Notes on the chemistry of Scandinavian Lobaria species. (ekstern lenke)
• Tønsberg, Tor; Zhurbenko, Mikhail P. (2006). Lepraria gelida, a new species from the Arctic. (ekstern lenke)
• Tønsberg, Tor (2006). Pertusaria flavocorallina new to Norway. (ekstern lenke)
• Tønsberg, Tor; Williams, Cameron (2006). Arthothelium norvegicum in North America. (ekstern lenke)
• Timdal, Einar; Tønsberg, Tor (2006). Psoroma paleaceum comb. nov. the only hairy Psoroma in northern Europe. (ekstern lenke)
• Hopkins, Bjarke; Tønsberg, Tor (2006). Notes on Botryolepraria lesdainii in North America. (ekstern lenke)
• Elix, J.A.; Tønsberg, Tor (2005). On the chemistry of Ramalina thrausta. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (2005). Leioderma cherokeense (Pannariaceae, Lecanorales) sp. nov. from the Great Smoky Mountains, North Carolina, U.S.A. (ekstern lenke)
• Thor, G.; Tønsberg, Tor; Kashiwadani, H. et al. (2005). Lecidea roseotincta new to Asia. (ekstern lenke)
• Tønsberg, Tor; Johnsen, J.I.; Øvstedal, Dag Olav (2005). Leptogium britannicum refound in Norway. (ekstern lenke)
• Ihlen, Per G.; Holien, Håkon; Tønsberg, Tor (2004). Two new species of Dactylospora (Dactylosporaceae, Lecanorales), with a key to the known species in Scandinavia. (ekstern lenke)
• Printzen, Christian; Tønsberg, Tor (2004). New and interesting Biatora-species, mainly from North America. (ekstern lenke)
• Elix, J.A.; Tønsberg, Tor; Wardlaw, J.H. (2004). The structure of friesiic acid. (ekstern lenke)
• Ihlen, Per Gerhard; Holien, Håkon; Tønsberg, Tor (2004). Two new species of Dactylospora (Dactylosporaceae, Lecanorales), with a key to the known species in Scandinavia. (ekstern lenke)
• Tønsberg, Tor (2004). Additions to the lichen flora of Great Smoky Mountains National Park. (ekstern lenke)
• Ihlen, Per Gerhard; Owe-Larsson, B.; Tønsberg, Tor (2004). Arthonia biatoricola sp. nov. from north-western Europe and northern Pacific North America. (ekstern lenke)
• Elix, J.A.; Tønsberg, Tor (2004). Notes on the chemistry of some lichens, including four species of Lepraria. (ekstern lenke)
• Printzen, Christian; Ekman, Stefan; Tønsberg, Tor (2003). Phylogeography of Cavernularia hultenii: Evidence for slow genetic drift in a widely disjunct lichen. (ekstern lenke)
• Giralt, Mireia; Tønsberg, Tor; Holien, Håkon (2002). Notes on the misunderstood Buellia dives (Th. Fr.) Th. Fr. (ekstern lenke)
• Holien, Håkon; Tønsberg, Tor (2002). Two new species in the lichen genus Szczawinskia A. Funk. (ekstern lenke)
• Giralt, Mireia; Tønsberg, Tor; Holien, Håkon (2002). Notes on the misunderstood Buellia dives (Th. Fr.) Th. Fr. (ekstern lenke)
• Jørgensen, Per Magnus; Printzen, Christian; Tønsberg, Tor (2002). Biatora amaurospoda Anzi, a superfluous name for Lecidea pullata (Norman) Th. Fr. (ekstern lenke)
• Ekman, Stefan; Tønsberg, Tor (2002). Most species of Lepraria and Leproloma form a monophyletic group closely related to Stereocaulon. (ekstern lenke)
• Fahselt, Dianne; Krol, Marianna; Hüner, Norm et al. (2000). Pigmentation of Cladonia infected by the lichenicolous fungus Arthrorhaphis aeruginosa. (ekstern lenke)
• Henssen, Aino; Tønsberg, Tor (2000). Spilonemella, a new genus of cyanophilic lichens with species from North America and Japan (Coccocarpiaceae). (ekstern lenke)
• Fahselt, Dianne; Krol, Marianna; Hüner, Norm et al. (2000). Pigmentation of Cladonia infected by the lichenicolous fungus Arthrorhaphis aeruginosa. (ekstern lenke)
• Tønsberg, Tor (1999). Additions to the lichen flora of North America VII. Soem species found on Waadah Island, Washington. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (1999). Notes on small species of Leptogium from Pacific North America. (ekstern lenke)
• Elix, John A.; Tønsberg, Tor (1999). Notes on the chemistry of some lichens from Norway. (ekstern lenke)
• Tønsberg, Tor (1999). Pseudocyphellaria arvidssonii new to Africa, and P. mallota new to North America. (ekstern lenke)
• Rosso, Abbey L.; McCune, Bruce; Tønsberg, Tor et al. (1999). Lichens of an Old-Growth Forest in a Little Explored Area of Western Oregon, U.S.A. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (1999). Notes on small Leptogium species from Pacific North America. (ekstern lenke)
• Printzen, Christian; Tønsberg, Tor (1999). The lichen genus Biatora in northwestern North America. (ekstern lenke)
• Tønsberg, Tor; Henssen, Aino (1999). Additions to the lichen flora of North America VIII. Santessoniella grisea new to North America. (ekstern lenke)
• Tønsberg, Tor (1998). Additions to the lichen flora of North America VI. (ekstern lenke)
• Tønsberg, Tor (1998). Additions to the lichen flora of Norway and Sweden. (ekstern lenke)
• McCarthy, P.M.; Tønsberg, Tor (1998). Porina radicicola, a new lichen from western North America. (ekstern lenke)
• Bjelland, Torbjørg; Halleraker, Grete; Tønsberg, Tor (1997). The chemotypes of Cetrelia olivetorum in Norway. (ekstern lenke)
• Tønsberg, Tor; Jørgensen, Per Magnus (1997). On the alleged apothecia of Leproloma. (ekstern lenke)
• Søchting, Ulrik; Tønsberg, Tor (1997). Caloplaca xanthostigmoidea (R@æs.) Zahlbr., a common lichen in cool regions of the Northern Hemisphere. (ekstern lenke)
• Tønsberg, Tor; Gauslaa, Yngvar; Haugan, Reidar et al. (1996). The threatened macrolichens of Norway - 1995. (ekstern lenke)
• Ihlen, Per Gerhard; Tønsberg, Tor (1996). The lichenicolous genus Lettauia in North America. (ekstern lenke)
• Holien, Håkon; Tønsberg, Tor (1996). Boreal regnskog i Norge - habitatet for trøndelagselementets lavarter. (ekstern lenke)
• Ekman, Stefan; Tønsberg, Tor (1996). A new species of Megalaria from the Norht American West Coast, and Notes on the Generic Circumscription. (ekstern lenke)
• Ihlen, Per Gerhard; Tønsberg, Tor (1996). The lichenicolous genus Lettauia in North America. (ekstern lenke)
• Holien, Håkon; Tønsberg, Tor (1996). Boreal regnskog i Norge - habitatet for trøndelagselementets lavarter. (ekstern lenke)
• Ekman, Stefan; Tønsberg, Tor (1996). A new species of Megalaria from the North American west coast, and notes on the generic circumscription. (ekstern lenke)
• Tønsberg, Tor; Øvstedal, Dag Olav (1995). Cladonia peziziformis new to Norway from a burnt Calluna heath. (ekstern lenke)
• Tønsberg, Tor (1995). Cladonia incrassata new to Norway and the problem of C. anitae in Europe. (ekstern lenke)
• Sheard, J. W.; Tønsberg, Tor (1995). Rinodina stictica, a new corticolous, sorediate lichen species from the Pacific northwest of North America. (ekstern lenke)
• Tønsberg, Tor (1995). Additions to the lichen flora of North America V. Arthonia stellaris. (ekstern lenke)
• Tønsberg, Tor (1995). Additions to the lichen flora of North America IV. Scoliciosporum sarothamni. (ekstern lenke)
• Tønsberg, Tor; Culberson, C. F.; Johnson, A. (1995). 4-O-Methylcryptochlorophaeic acid found in Bacidia. (ekstern lenke)
• Holien, H.; Jørgensen, Per Magnus; Timdal, E. et al. (1994). Norske lavanavn, supplement. (ekstern lenke)
• Tønsberg, Tor (1994). Chrysothrix flavovirens sp. nov. - the sorediate counterpart of C. chrysophthalma. (ekstern lenke)
• Tønsberg, Tor (1994). Leptogium cochleatum and Rinodina isidioides new to Scandinavia. (ekstern lenke)
• Holien, H.; Tønsberg, Tor (1994). The 10th meeting of the Nordic Lichen Society in Nord-Trøndelag, Norway, 1993. (ekstern lenke)
• Tønsberg, Tor (1994). The lichen genus Solenopsora and the species S. vulturiensis new to Scandinavia. (ekstern lenke)
• Brodo, I. M.; Tønsberg, Tor (1994). A new species of Micarea with stalked pycnidia from the west coast of North America. (ekstern lenke)
• Tønsberg, Tor (1994). Additions to the lichen flora of North America III. Halecania viridescens and Opegrapha sorediifera. (ekstern lenke)
• Santesson, R.; Tønsberg, Tor (1994). Arthrorhaphis aeruginosa and A. olivaceae, two new lichenicolous fungi. (ekstern lenke)
• Ihlen, Per Gerhard; Tønsberg, Tor (1994). The distribution of Cladonia borealis Stenroos in Norway. (ekstern lenke)
• Tønsberg, Tor; Elvebakk, A. (1993). Cetraria inermis new to Europe. (ekstern lenke)
• Tønsberg, Tor (1993). Additions to the lichen flora of North America. (ekstern lenke)
• Tønsberg, Tor (1993). Additions to the lichen flora of North America. (ekstern lenke)
• Tønsberg, Tor (1993). Collema leptaleum new to Europe. (ekstern lenke)
• Tønsberg, Tor (1992). Fellhanera new to Norway. (ekstern lenke)
• Tønsberg, Tor; Brodo, I. M. (1992). Enterographa zonata and Opegrapha gyrocarpa, new to North America. (ekstern lenke)
• Tønsberg, Tor; Goward, T. (1992). Cladonia norvegica new to North America. (ekstern lenke)
• Tønsberg, Tor (1992). Rinodina sheardii, a new lichen species from northwest Europe and northwest North America. (ekstern lenke)
• Gauslaa, Yngvar; Anonby, J.; Gaarder, G. et al. (1992). Huldrestry, Usnea longissima, en sjelden urskogslav på Vestlandet. (ekstern lenke)
• Tønsberg, Tor (1992). Fellhanera new to Norway. (ekstern lenke)
• Tønsberg, Tor (1992). The sorediate and isidiate, corticolous, crustose lichens in Norway. (ekstern lenke)
• Elvebakk, A.; Tønsberg, Tor (1992). Additions to the lichen flora of Svalbard. (ekstern lenke)

Vitenskapelig monografi

• Spribille, Toby; Fryday, Alan M.; Hamton-Miller, Celia J. et al. (2023). Compendium of the Lichens and Associated Fungi of Alaska . (ekstern lenke)
• Øvstedal, Dag Olav; Tønsberg, Tor; Elvebakk, Arve (2009). The lichen flora of Svalbard. (ekstern lenke)

Museumsutstilling

• Mennerat, Adele; Lislevand, Terje; Bartley, Adam et al. (2019). Utvalgets kraft. (ekstern lenke)

Doktorgradsavhandling

• Zahradnikova, Martina; Tønsberg, Tor; Andersen, Heidi Lie (2017). Taxonomy and phylogeny of the family Fuscideaceae (Umbilicariales, Ascomycota) with special emphasis on Fuscidea. (ekstern lenke)
• Tønsberg, Tor (1992). The sorediate and isidiate, corticolous, crustose lichens in Norway. (ekstern lenke)

Populærvitenskapelig artikkel

• Høyer, Jo; Jordal, Bjarte Henry; Hufthammer, Anne Karin et al. (2015). Klimaendringer – spor i museets samlinger. (ekstern lenke)
• Jordal, Bjarte Henry; Willassen, Endre; Hufthammer, Anne Karin et al. (2015). Klimaendringer – spor i museets samlinger. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (2012). Lav – vekster med flere ansikter. (ekstern lenke)
• Andersen, Trond; Fossen, Haakon; Rio, Knut et al. (2006). Publikasjonar Bergen Museum 2005. Vitenskaplege og populærvitskaplege artikklar. (ekstern lenke)
• Tønsberg, Tor (2005). Notes on the lichen flora of the Great Smoky Mountains National Park. (ekstern lenke)
• Printzen, Christian; Tønsberg, Tor; Ekman, Stefan (2005). Jetsetter oder Säulenheilige. (ekstern lenke)
• Ekman, Stefan; Tønsberg, Tor (2003). Lepraria + Stereocaulon = sant. (ekstern lenke)
• Tønsberg, Tor; Ekman, Stefan (2003). Lepraria bergensis, en ny lav for vitenskapen fra Bergen. Glimt fra Lepraria-forskningen ved UiB. (ekstern lenke)

Vitenskapelig foredrag

• Tønsberg, Tor (2015). Flavoparmelia soredians in Norway—a recently introduced lichen species?. (ekstern lenke)
• Tønsberg, Tor (2015). Lepraria. (ekstern lenke)
• Zahradnikova, Martina; Tønsberg, Tor; Andersen, Heidi Lie (2014). An evolutionary study of the Fuscideaceae (Lecanoromycetes, Ascomycota). (ekstern lenke)
• Zahradnikova, Martina; Tønsberg, Tor; Andersen, Heidi Lie (2014). An evolutinary study of the Fuscideaceae (Lecanoromycetes, Ascomycota). (ekstern lenke)
• Spribille, Toby; Goffinet, Bernard; Dillman, Karen L. et al. (2014). Forestry, research debt and the decline of oldgrowth-dependent green (Dendrisco-)sticta(Lobariaceae) in British Columbia, Canada. (ekstern lenke)
• Zahradnikova, Martina; Tønsberg, Tor; Andersen, Heidi Lie (2013). An evolutionary study of the Fuscideaceae (Umbilicariales). (ekstern lenke)
• Printzen, Christian; Ekman, Stefan; Tønsberg, Tor (2002). Phylogeography of the widely disjunct lichen Cavernularia hultenii. (ekstern lenke)
• Glew, K.A.; Tønsberg, Tor (2000). Lichens from the Pacific northwest of North America associated with a Mediterranean climate. (ekstern lenke)
• Glew, K.A.; Tønsberg, Tor (2000). Lichens from the Pacific northwest of North America associated with a Mediterranean climate. (ekstern lenke)
• Tønsberg, Tor (1999). Lichen conservation in Norway, with emphasis on Norway's responsibilities to the European and global conservation effort. (ekstern lenke)

Poster

• Zahradnikova, Martina; Tønsberg, Tor; Andersen, Heidi Lie (2014). An evolutionary study of the Fuscideaceae (Lecanoromycetes, Ascomycota). (ekstern lenke)
• Ekman, Stefan; Tønsberg, Tor (2004). Chemistry, ecology, and genetic differentiation - an example from the Ramalina farinacea complex. (ekstern lenke)
• Ekman, Stefan; Tønsberg, Tor (2002). The phylogenetic position of the genera Lepraria and Leproloma. (ekstern lenke)

Populærvitenskapelig foredrag

• Tønsberg, Tor (2013). Glimt fra flora og landskap på vestkysten av Nord-Amerika fra Alaska til Arizona. (ekstern lenke)
• Botnen, Astri; Odland, Arvid; Tønsberg, Tor (2011). Flora og vegetasjon på Rocky Mountains, Colorado, USA. (ekstern lenke)
• Botnen, Astri; Hjelmtveit, Solfrid; Tønsberg, Tor (2011). Vulkanhopping i det vestlige USA. (ekstern lenke)
• Hjelmtveit, Solfrid; Tønsberg, Tor (2009). Fra regnskog til ørken i det vestlige USA - II. (ekstern lenke)
• Hjelmtveit, Solfrid; Tønsberg, Tor (2008). Fra regnskog til ørken i det vestlige U.S.A. (ekstern lenke)
• Tønsberg, Tor; Helle, Beate; Hjelmtveit, Solfrid (2007). Floraen i Great Smoky Mountains National Park, southern Appalachian Mountains, North Carolina og Tennessee. (ekstern lenke)

Populærvitenskapelig kapittel/artikkel

• Tønsberg, Tor (2013). Lav i overhengene. (ekstern lenke)
• Tønsberg, Tor (2013). Møteplass for vestlige og østlige lavarter. (ekstern lenke)

Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

• Holien, Håkon; Tønsberg, Tor (2011). Lavfloraen i Midt-Norges unike regnskoger. (ekstern lenke)
• Timdal, Einar; Bratli, Harald; Haugan, Reidar et al. (2010). Lav "Lichenes". (ekstern lenke)
• Timdal, Einar; Bratli, Harald; Haugan, Reidar et al. (2010). Lav Lichenes. (ekstern lenke)
• Purvis, O.W.; Skjolddal [Skjoldahl], L.H.; Tønsberg, Tor (2009). Ropalospora A. Massal. (1860). (ekstern lenke)
• Gilbert, O.L.; Purvis, O.W.; Skjolddal [Skjoldahl], L.H. et al. (2009). Fuscidea V. Wirth & Vězda (1972). (ekstern lenke)
• Tønsberg, Tor (2008). Botryolepraria. (ekstern lenke)
• Tønsberg, Tor (2008). Psilolechia. (ekstern lenke)
• Tønsberg, Tor; Jørgensen, Per Magnus (2007). Lobaria. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (2007). Sticta. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (2007). Pseudocyphellaria. (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (2007). Lobariacea. (ekstern lenke)
• Holien, Håkon; Timdal, Einar; Bratli, Harald et al. (2006). Lav Lichenes. (ekstern lenke)
• Timdal, E.; Bratlie, H.; Haugan, R. et al. (2006). Lav. (ekstern lenke)
• Tønsberg, Tor (2005). Havaas som lichenolog i nasjonal og internasjonal sammenheng. (ekstern lenke)
• Tønsberg, Tor (2004). Normandina. (ekstern lenke)
• Ryan, B.D.; Tønsberg, Tor; Nash III, T.H. et al. (2004). Pyrrhospora. (ekstern lenke)
• Nash III, T.H.; Tønsberg, Tor (2004). Gyalideopsis. (ekstern lenke)
• Tønsberg, Tor (2004). Chrysothrix. (ekstern lenke)
• Printzen, Christian; Tønsberg, Tor (2004). Japewia. (ekstern lenke)
• Ekman, Stefan; Tønsberg, Tor (2004). Scoliciosporum. (ekstern lenke)
• Tønsberg, Tor (2004). Lepraria. (ekstern lenke)
• Tønsberg, Tor (2004). Phlyctis. (ekstern lenke)
• Purvis, O. W.; Skjolddal, L. H.; Tønsberg, Tor (1992). Fuscidea. V. Wirth & V#vezda (1972). (ekstern lenke)

Short communication

• Tønsberg, Tor; Johnsen, John I. (2011). Micarea viridileprosa new to Norway. (ekstern lenke)

Rapport

• Wiig, Øystein; Bakken, Vidar; Ebeling, Jarle et al. (2009). Evaluering av samlingsforvaltningssystemet KE EMu for bruk ved universitetsmuseene i Norge. Rapport til styret. (ekstern lenke)
• Tønsberg, Tor (1999). Lichenes isidiosi et sorediosi crustacei exsiccati. Schedae to Fasc. 2 (nos 26-50). (ekstern lenke)
• Håpnes, Arnodd; Tønsberg, Tor; Holien, Håkon et al. (1997). Boreal regnskog i Midt-Norge : registreringer. (ekstern lenke)
• Tønsberg, Tor (1997). Lichenes isidiosi et sorediosi crustacei exsiccati. Schedae to Fasc. 1 (nos 1-25). (ekstern lenke)
• Jørgensen, Per Magnus; Tønsberg, Tor (1992). Truete busk og bladlav i Norge. Rapport til Direktoratet for Naturvern. (ekstern lenke)

Anmeldelse

• Tønsberg, Tor (2008). Review of: Galloway, D.J. 2007. Flora of New Zealand Lichens. Revised second edition. Manaaki Whenua Press. ISBN: 978-0-478-09376-6. (ekstern lenke)
• Tønsberg, Tor (2008). Review of: Hinds, J.W. & Hinds, P.L. 2008. The macrolichens of of New England. Memoirs of The New York Botanical Garden: 96: 1-608. (ekstern lenke)

Fagbok

• Holien, Håkon; Tønsberg, Tor (2008). Norsk lavflora. (ekstern lenke)
• Holien, Håkon; Tønsberg, Tor (2006). Norsk lavflora. (ekstern lenke)
• Santesson, Rolf; Moberg, Roland; Nordin, Anders et al. (2004). Lichen-forming and lichenicolous fungi of Fennoscandia. (ekstern lenke)
• Gaarder, Geir; Holien, Håkon; Håpnes, A. et al. (1998). Boreal regnskog i Midt-Norge. DN-rapport 1997. (ekstern lenke)
• Krog, H.; Østhagen, H.; Tønsberg, Tor (1994). Lavflora. Norske busk- og bladlav. 2. utg. (ekstern lenke)

Populærvitenskapelig bok

• Holien, Håkon; Tønsberg, Tor (2006). Norsk lavflora. (ekstern lenke)

Kronikk

• Tønsberg, Tor (1992). (Bokanmeldelse av:) H. K@ymmerling, Zur Kenntnis der Flechtenflora am Hohen Mei@sner und in seinen Vorland (Hessen) unter besonderer Berucksichtigung chemischer Merkmale. (Bibliotheca Lichenologica 41). (ekstern lenke)

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