Academic article

• Øvstedal, Dag Olav; Lindblom, Louise (2023). Arrhenia schistidicola (Hygrophoraceae, Agaricales) – a new species on the moss Schistidium crassipilum from western Norway. (external link)
• Ochyra, Ryszard; Øvstedal, Dag Olav; Broady, Paul A. (2022). The distribution of lichens and mosses at Edward VII Peninsula, Marie Byrd Land, Antarctica. (external link)
• Øvstedal, Dag Olav; Elix, J.A.; Broady, P.A. (2020). A new sorediate species of Amandinea (Caliciaceae)Ascomycota) from Antarctica. (external link)
• Fossen, Torgils; Holmelid, Bjarte; Øvstedal, Dag Olav (2019). Bumblebee death associated with Tilia x europaea L. (external link)
• Øvstedal, Dag Olav; Fryday, Alan M.; Lewis Smith, R.I. (2019). Lecanora muscigena (Lichenized Ascomycota, Lecanorales), a new lichen species in the Lecanora fuscescens group from South Georgia. (external link)
• Øvstedal, Dag Olav; Lindblom, Louise; Knudsen, Kerry et al. (2018). A new species of Acarospora (Acarosporaceae, Acarosporales, lichenized Ascomycota) from the Falkland Islands (Islas Malvinas). (external link)
• Øvstedal, Dag Olav (2018). Maritime species of the genus Verrucaria in Kerguelia. (external link)
• Nguyen, Xuan Hong Thy; Juvik, Ole-Johan; Øvstedal, Dag Olav et al. (2014). 6-Carboxydihydroresveratrol 3-O-β-glucopyranoside - A novel natural product from the Cretaceous relict Metasequoia glyptostroboides. (external link)
• de Oliveira-Júnior, Raimundo G.; de Oliveira, Ana P.; Guimarães, Amanda L. et al. (2014). The first flavonoid isolated from Bromelia laciniosa (Bromeliaceae). (external link)
• Ertz, Damien; Ptroot, André A.; Van de Vijver, Bart et al. (2014). Lichens from the utsteinen nunatak (Sør Rondane Mountains, Antarctica), with the description of one new species and the establishment of permanent plots. (external link)
• Øvstedal, Dag Olav; Schaefer, Carlos (2013). A new lichen species from the Heritage Range, Ellsworth Mountains, Antarctica. (external link)
• Fryday, Alan M.; Øvstedal, Dag Olav (2012). New species, combinations and records of lichenized fungi from the Falkland Islands (Islas Malvinas). (external link)
• Elix, John A.; Øvstedal, Dag Olav; Gremmen, Niek J.M. (2011). A new species of Cresponea (Roccellaceae, Ascomycota) from Gough Island. (external link)
• Lumbsch, H. Thorsten; Ahti, Teuvo; Altermann, Susanne et al. (2011). One hundred new species of lichenized fungi: a signature of undiscovered global diversity. (external link)
• Øvstedal, Dag Olav; Lewis Smith, Ronald I. (2011). Four additional lichens from the Antarctic and South Georgia, including a new Leciophysma species. (external link)
• Øvstedal, Dag Olav (2011). Blankburknekomplekset (Asplenium adiantum-nigrum s.lat) på Vestlandet. (external link)
• Øvstedal, Dag Olav; Smith, Ronald Ian Lewis (2009). Further additions to the lichen flora of Antarctica and South Georgia. (external link)
• Øvstedal, Dag Olav; Elix, John A. (2007). Three new lichen species from the French Antilles. (external link)
• Seymour, Fabian A.; Crittenden, Peter D.; Wirtz, Nora et al. (2007). Phylogenetic and morphological analysis of Antarctic lichenforming Usnea species in the group neuropogon. (external link)
• Øvstedal, Dag Olav; Gremmen, Niek J.M. (2006). Lichens of sub-Antarctic Heard Island. (external link)
• Øvstedal, Dag Olav (2005). Løvetenner i Hordaland.I-Taraxacum sect Erythrosperma-sandløvetenner. (external link)
• Elix, J.A.; Øvstedal, Dag Olav; Gremmen, N.J.M. (2005). A new Lepraria species from Gough Island, South Atlantic Ocean. (external link)
• Tønsberg, Tor; Johnsen, J.I.; Øvstedal, Dag Olav (2005). Leptogium britannicum refound in Norway. (external link)
• Torskangerpoll, Kjell; Nørbæk, Rikke; Nodland, Egil et al. (2005). Anthocyanin content of Tulipa species and cultivars and its impact on tepal colours. (external link)
• Øvstedal, Dag Olav; Smith, Ronald Ian Lewis (2004). Additions and corrections to the Lichens of Antarctica and South Georgia. (external link)
• Fossen, Torgils; Øvstedal, Dag Olav; Slimestad, Rune et al. (2003). Anthocyanins from a Norwegian potato cultivar. (external link)
• Fossen, Torgils; Øvstedal, Dag Olav (2003). Anthocyanins from flowers of the orchids Dracula chimaera and D. cordobae. (external link)
• Øvstedal, Dag Olav; Heegaard, Einar (2001). Biodiversity and vegetation dynamics in the coastal heathlands of western Norway. (external link)
• Øvstedal, Dag Olav; Gremmen, Niek J.M. (2001). The lichens of Marion and Prince Edward Islands. (external link)
• Fossen, Torgils; Slimestad, Rune; Øvstedal, Dag Olav et al. (2000). Covalent anthocyanin-flavonol complexes from flowers of chive, Allium schoenoprasum. (external link)
• Øvstedal, Dag Olav; Fossen, Torgils; Andersen, Øyvind Moksheim et al. (1996). Characteristic Anthocyanin Pattern from Onions and other Allium spp. (external link)
• Øvstedal, Dag Olav; Haaland, Inger Margrethe (1996). On the origins of Carex x liidi (Cyperaceae) from Spitzbergen. (external link)
• Øvstedal, Dag Olav; Haaland, Inger Margrethe (1996). On the origins of Carex x liidi (Cyperaceae) from Spitzbergen. (external link)
• Øvstedal, Dag Olav; Fossen, Torgils; Andersen, Øyvind Moksheim et al. (1996). Characteristic Anthocyanin Pattern from Onions and other Allium spp. (external link)
• Øvstedal, Dag Olav; Elix, John A.; Lewis Smith, Ronald I. (1996). A new species of Parmella (Lichenized Ascomycotina) from the Antarctic. (external link)
• Øvstedal, Dag Olav; Gremmen, H. J. M. (1995). Two further biopolar lichens. (external link)
• Tønsberg, Tor; Øvstedal, Dag Olav (1995). Cladonia peziziformis new to Norway from a burnt Calluna heath. (external link)
• Tollsten, L.; Øvstedal, Dag Olav (1994). Differantiation in floral scent chemistry among populations of Conopodium majus (Apiaceae). (external link)
• Smith, R. I. L.; Øvstedal, Dag Olav (1994). Solorina spongiosa in Antarctica, an extremely disjunct bipolar lichen. (external link)
• Øvstedal, Dag Olav (1993). Tre nordnorske lignosar: tromsøbjørk, kola-or og sibirgran. (external link)
• Øvstedal, Dag Olav; Smith, R. I.; Lewis, [Mangler fornavn] (1993). A new Pannaria species from the Antarctic. (external link)
• Vezda, A.; Øvstedal, Dag Olav; Smith, R. I. Lewis (1992). Eine neue Gyalecta-Art aus der Antarctis. G. pezizoides sp. n. (lichenisierte Fungi, Gyalectaceae). (external link)
• Søchting, U.; Øvstedal, Dag Olav (1992). Contributions to the Caloplaca flora of the western Antarctic region. (external link)
• Øvstedal, Dag Olav; Mjaavatten, Olav (1992). A multivariate comparison between three NW European populations of Artemisia norvegica (Asteraceae) by means of chemometric and morphometric data. (external link)
• Øvstedal, Dag Olav; Smith, R. I. Lewis (1992). Pertusaria signyae (Lichenes), a new species from the Antarctic. (external link)

Poster

• Nguyen, Xuan Hong Thy; Juvik, Ole-Johan; Øvstedal, Dag Olav et al. (2013). A novel natural product from the dinosaur-age tree Metasequoia glyptostroboides. (external link)
• Fossen, Torgils; Slimestad, Rune; Øvstedal, Dag Olav et al. (2000). Anthocyanins from grasses. (external link)

Popular scientific article

• Øvstedal, Dag Olav (2011). Evjestorr, Carex oederi var. bergrothii, ein sjeldsynt og raudlista storr på Vestlandet. (external link)
• Øvstedal, Dag Olav (2011). Raggtelgkomplekset (Dryopteris affinis s.lat.) på Vestlandet. (external link)
• Øvstedal, Dag Olav (2008). Den eldste naturaliserte påskelilja på Vestlandet. (external link)
• Øvstedal, Dag Olav (2008). Fjelltjæreblomen i Almklovdalen - ein ny varietet som veks på olivin. (external link)
• Øvstedal, Dag Olav (2006). Løvetenner i Hordaland II - seksjonene Borea, Borealia, Borigena, Celtica, Hamata, Macrodonta, Maevosa, Spectabilia og Taraxacum. (external link)
• Moe, Bjørn; Myking, Reidun; Øvstedal, Dag Olav (2006). Månadsblomen 2005. (external link)
• Øvstedal, Dag Olav (1999). Rhododendron catawbiense i Bergen. (external link)
• Øvstedal, Dag Olav (1997). Om fruktkarakterar hos tromsøpalme og kjempebjønnkjeks. (external link)

Abstract

• Øvstedal, Dag Olav; Elix, John A. (2011). Echinoplaca pernambucensis Øvstedal & Elix sp.nov. (external link)

Academic monograph

• Øvstedal, Dag Olav; Tønsberg, Tor; Elvebakk, Arve (2009). The lichen flora of Svalbard. (external link)

Interview

• Øvstedal, Dag Olav; Moe, Bjørn (2007). Nye farger i Arboretet: "Ugress" til pynt og Nye hager kommer til sommeren. (external link)

Non-fiction book

• Øvstedal, Dag Olav; Smith, Ronald Ian Lewis (2001). Lichensof Antarctica and South Georgia.A guide to their identification and ecology. xii, 411 s. (external link)

Textbook

• Moe, Dagfinn; Salvesen, Per Harald; Øvstedal, Dag Olav (2000). Historiske hager. (external link)
• Moe, Dagfinn; Salvesen, Per Harald; Øvstedal, Dag Olav (2000). Historiske hager. (Bergen Museums skrifter nr. 5). (external link)
• Moe, Dagfinn; Salvesen, Per Harald; Øvstedal, Dag Olav (2000). Historiske hager. (external link)
• Moe, Dagfinn; Salvesen, Per Harald; Øvstedal, Dag Olav (2000). Historiske hager. (external link)
• Moe, Dagfinn; Salvesen, Per Harald; Øvstedal, Dag Olav (2000). Historiske hager. (external link)
• Moe, Dagfinn; Salvesen, Per Harald; Øvstedal, Dag Olav (2000). Historiske hager. (external link)

Academic chapter/article/Conference paper

• Fægri, Knut; Jørgensen, Per Magnus; Karlsen, Peder Ole et al. (2000). Den botaniske hage - Muséhagen på Nygårdshøyden - et hundreårsjubileum. (external link)

Compendium

• Øvstedal, Dag Olav (1993). Vossakvann-prosjektet ved Botanisk Hage, Universitetet i Bergen. (external link)

See a complete overview of publications in Cristin.