Blar i NTNU Open på forfatter "Holien, Håkon"
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Lavfloraen på dødt organisk materiale under overhengende berg og steinblokker
Gaarder, Geir; Hofton, Tom Hellik; Holien, Håkon; Tønsberg, Tor (Peer reviewed; Journal article, 2022)Dead wood remnants and other dead organic material in dry and semi-shady environments underneath overhanging rock walls and boulders, constitute a specific habitat for a number of lichens. We describe this peculiar habitat ... -
Lecidea subhumida Vain., a pine wood specialist new to Scandinavia.
Holien, Håkon; Palice, Zdenek (Journal article; Peer reviewed, 2018) -
Lichens facilitate seedling recruitment in alpine heath
Nystuen, Kristin Odden; Sundsdal, Kristine; Opedal, Øystein Hjorthol; Holien, Håkon; Strimbeck, Richard; Graae, Bente Jessen (Peer reviewed; Journal article, 2019)Questions How do mat thickness, physical structure and allelopathic properties of terricolous mat‐forming lichens affect recruitment of vascular plants in dwarf‐shrub and lichen heath vegetation? Location The mountains of ... -
Melaspilea bagliettoana new to Fennoscandia
Jordal, John Bjarne; Holien, Håkon; Nordén, Björn (Peer reviewed; Journal article, 2022) -
Microcalicium loraasii, a new calicioid fungus from old-growth boreal forest in Norway.
Holien, Håkon; Frisch, Andreas (Journal article; Peer reviewed, 2022) -
New and noteworthy lichens and lichenicolous fungi from Norway
Frisch, Andreas; Klepsland, Jon T; Palice, Zdenek; Bendiksby, Mika; Tønsberg, Tor; Holien, Håkon (Peer reviewed; Journal article, 2020)Twelve species of lichens and lichenicolous fungi are reported as new to Fennoscandia. Additionally, we report 19 species as new to Norway. New localites are given for 47 rare or seldom collected species. The new combination ... -
New and noteworthy lichens and lichenicolous fungi from Norway.
Frisch, Andreas; Klepsland, J.; Palice, Z; Bendiksby, Mika; Tønsberg, Tor; Holien, Håkon (Peer reviewed; Journal article, 2020)Twelve species of lichens and lichenicolous fungi are reported as new to Fennoscandia. Additionally, we report 19 species as new to Norway. New localites are given for 47 rare or seldom collected species. The new combination ... -
New data on lichenicolous fungi in Norway
Frisch, Andreas; Holien, Håkon; Klepsland, Jon T.; Suija, Ave; Bendiksby, Mika (Peer reviewed; Journal article, 2022) -
Notes on Cladonia asahinae, C. conista and the C. grayi-group in Norway
Holien, Håkon; Tønsberg, Tor (Gunneria, 0332-8554; 51, Research report, 1985) -
Perigrapha superveniens (Nyl.) Hafellner, a lichenicolous fungus new to Fennoscandia from Norway.
Holien, Håkon; Frisch, Andreas (Journal article; Peer reviewed, 2022) -
A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphidaceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato
Frisch, Andreas; Ohmura, Yoshihito; Holien, Håkon; Bendiksby, Mika (Peer reviewed; Journal article, 2022)The genus Arthrorhaphis is a group of ascomycetes comprising lichenised and non-lichenised taxa from temperate to arctic-alpine regions in both hemispheres. Nine species and two infraspecific taxa are currently recognised. ... -
Vegetation change on mountaintops in northern Sweden: Stable vascular-plant but reordering of lichen and bryophyte communities
Hagenberg, Liyenne Wu Chen; Vanneste, Thomas; Opedal, Øystein Hjorthol; Petlund, Hanne Torsdatter; Björkman, Mats Peter; Björk, Robert G.; Holien, Håkon; Limpens, Juul; Molau, Ulf; Graae, Bente Jessen; De Frenne, Pieter (Peer reviewed; Journal article, 2022)Alpine ecosystems harbor remarkably diverse and distinct plant communities that are characteristically limited to harsh, and cold climatic conditions. As a result of thermal limitation to species occurrence, mountainous ...