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List of works by Tor Tønsberg

(−)-Allo-pertusaric acid and (−)-dihydropertusaric acid from the lichen Pertusaria albescens

scientific article published on 25 July 2002

A New Species of Megalaria from the North American West Coast, and Notes on the Generic Circumscription

scientific article published in 1996

A new corticolous species ofRinodina(Physciaceae) and two interesting range extensions for species collected from Katmai National Park, Alaska

article

Additions to the Lichen Flora of North America

scientific article

Additions to the Lichen Flora of North America XI

scientific article published in March 2002

Additions to the Lichen Flora of North America. II

scientific article

Additions to the Lichen Flora of North America. VI

scientific article

Additions to the Lichen Flora of North America. VII. Some Species Found on Waadah Island, Washington

scientific article published in 1999

Additions to the lichen flora of North America III. Halecania viridescens and Opegrapha sorediifera ⬇️

scientific article published in 1994

Additions to the lichen flora of North America IV. Scoliciosporum sarothamni ⬇️

scientific article published in 1995

Additions to the lichen flora of North America IX. Micarea alabastrites and M. synotheoides ⬇️

scientific article published in 2000

Additions to the lichen flora of North America V. Arthonia stellaris ⬇️

scientific article published in 1995

Additions to the lichen flora of North America VIII. Santessoniella grisea new to North America ⬇️

scientific article published in 1999

Additions to the lichen flora of North America X. Buellia arborea ⬇️

scientific article published in 2001

Ameliella- A Bryicolous Lichen Genus Rediscovered in North America after 50 Years

scientific article published in 2015

Arthothelium norvegicum in North America ⬇️

scientific article published in 2006

Arthrorhaphis Aeruginosa and A. Olivaceae, Two New Lichenicolous Fungi

Bacidia lobarica (Bacidiaceae, Lecanorales) sp. nov., a sorediate lichen from the southeastern U.S.A

scientific article published in September 2007

Biatora alnetorum (Ramalinaceae, Lecanorales), a new lichen species from western North America

scientific article published on 05 March 2019

Biodiversity and ecology of lichens of Kenai Fjords National Park, Alaska

scientific article published in 2020

Chrysothrix flavovirens, Lepraria elobata , and Ochrolechia arborea new to Portugal ⬇️

article

Cladonia norvegica new to North America ⬇️

scientific article published in 1992

Cliostomum piceicola, a New Lichen Species from Oldgrowth Coniferous Forests in Northern Europe

scholarly article published in 2017

Considerations and consequences of allowing DNA sequence data as types of fungal taxa

scientific article published in 2018

Contributions to an epiphytic lichen flora of northwest North America: I. Eight new species from British Columbia inland rain forests

scientific article published in March 2009

Enterographa zonata and Opegrapha gyrocarpa New to North America

scientific article

Fertile Usnea longissima in Washington, U.S.A. ⬇️

scientific article published in 2002

Five New Species ofBiatorafrom Four Continents

scholarly article published in 2016

Further Contributions to the GenusRinodina(Physciaceae, Lecanoromycetidae): Two Species New to Science and a New Record for the Canadian High Arctic

scholarly article published in 2012

Heterodermia sitchensis found in Oregon, U.S.A. ⬇️

scientific article published in 2002

Hidden diversity in the morphologically variable script lichen (Graphis scripta) complex (Ascomycota, Ostropales, Graphidaceae)

Hildur Krog: a birthday tribute

scientific article published in 2002

Japewia aliphatica (Lecanoraceae, lichenized Ascomycota), a new acidophilous, sorediate-blastidiate lichen from Europe

scientific article

Lecanora stanislai, a new, sterile, usnic acid containing lichen species from Eurasia and North America

scientific article published in December 2017

Lecanora thysanophora, a Common Leprose Lichen in Eastern North America

scientific article published in December 2000

Lecidea roseotincta, a new lichen species from Norway

scientific article published in September 1988

Leioderma cherokeense (Pannariaceae, Lecanorales)sp. nov.from the Great Smoky Mountains, North Carolina, U.S.A

scientific article published in September 2005

Lichen-Forming and Lichenicolous Fungi New to Kazakhstan

scholarly article published in 2013

Lichens and associated fungi from Glacier Bay National Park, Alaska

scientific article published on 01 March 2020

Lichens and lichenicolous fungi of the Klondike Gold Rush National Historic Park, Alaska, in a global biodiversity context

scholarly article by Toby Spribille et al published September 2010 in The Bryologist

Lichens of an old-growth forest in a little explored area of western Oregon, U.S.A. ⬇️

scientific article published in 1999

Loxospora cristinae Found in Germany

scholarly article published in 2018

Molecular Evidence of Apatococcus, including A. fuscideae sp. nov., as Photobiont in the Genus Fuscidea

scientific article

Molecular analyses uncover the phylogenetic placement of the lichenized hyphomycetous genus Cheiromycina.

scientific article

Molecular systematics of the wood-inhabiting, lichen-forming genus Xylographa (Baeomycetales, Ostropomycetidae) with eight new species

scientific article

Morphological, chemical and species delimitation analyses provide new taxonomic insights into two groups of Rinodina

scientific article published in September 2016

New Depsides from the Lichens Dimelaena oreina and Fuscidea viridis

scientific article published in January 1984

New Records, Range Extensions and Nomenclatural Innovations for Lichens and Lichenicolous Fungi from Alaska, U.S.A

article

Notes on Botryolepraria lesdainii in North America ⬇️

scientific article published in 2006

Notes on Some Small Species of Leptogium from Pacific North America

scientific article published in 1999

Notes on some lichens from the Great Smoky Mountains National Park, North Carolina/Tennessee, U.S.A. ⬇️

scientific article published in 2006

Phycotype pairs in Nephroma, Peltigera and Lobaria in Norway

scientific article published in 1983

Phylogenetic Data and Chemical Traits Characterize a New Species in the Lichen GenusTephromela

scholarly article by Lorenzo Cestaro et al published December 2016 in Herzogia

Pseudocyphellaria arvidssonii New to Africa and P. mallota New to North America

scientific article published in 1999

Rinodina sheardii, a New Lichen Species from Northwest Europe and Northwest North America

scientific article published in 1992

Rinodina stictica, a New Corticolous, Sorediate Lichen Species from the Pacific Northwest of North America

scientific article published in 1995

Sticta oroborealis sp. nov.,and Other Pacific North American Lichens Forming Dendriscocauloid Cyanotypes

scientific article published in March 2001

The Lichen Genus Biatora in Northwestern North America

scientific article published in 1999

The Lichenicolous Genus Lettauia in North America

scientific article published in 1996

Two New Species of Dactylospora (Dactylosporaceae, Lecanorales), with a Key to the Known Species in Scandinavia

scientific article published in September 2004

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