Letter to the editor
Academic article
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Per Magnus Jørgensen
(2025). On some mostly forgotten, but important British lichenologists. (external link)
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Per Magnus Jørgensen
(2004). Proposal to reject Homodium pernigratum Nyl. (external link)
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Per Magnus Jørgensen
(2004). The first yellow Pannaria. (external link)
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Juan Carlos Zamora; Måns Svensson; Roland Kirschner
et al. (2018). Considerations and consequences of allowing DNA sequence data as types of fungal taxa. (external link)
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Per Magnus Jørgensen
(2004). Proposals to add examples to two articles of the Code concerning valid publication. (external link)
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Per Magnus Jørgensen
(2004). More, new Asian species in the lichen genus Fuscopannaria. (external link)
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Per Magnus Jørgensen
(2004). Revision of the Pannaria rubiginosa complex in South America. (external link)
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Per Magnus Jørgensen
(2011). Pannaria reflectens (Nyl.) P.M.Jørg. comb.nov., the correct name for the lichen Pannaria sorediata C. Knight. (external link)
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Per Magnus Jørgensen; David J. Galloway
(2011). Proposal to conserve Pseudocyphellaria Vain., nom.cons. (lichenized Ascomycetina) with a new conserved type. (external link)
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Per Magnus Jørgensen
(2004). The nomenclature of Umbilicaria havaasii. (external link)
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Per Magnus Jørgensen
(2004). Nomenclatural notes on Biatoridium Körb. (lichenized ascomycetes). (external link)
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Per Magnus Jørgensen
(2004). En merkelig hvitveis med grønnprikkete blomster. (external link)
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Per Magnus Jørgensen
(2004). Psoroma tenue var. boreale, an overlooked, widespread, artic-alpine lichen. (external link)
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Per Magnus Jørgensen
(2004). A new north American species of the lichen genus Staurolemma (Collemataceae). (external link)
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Per Magnus Jørgensen
(2007). The history of lichenology in Norway. (external link)
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Per Magnus Jørgensen
(2007). Further notes on Asian pannariaceous lichens. (external link)
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Per Magnus Jørgensen
(2007). The importance of bishop Gunnerus for Linnaeus. (external link)
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Per Magnus Jørgensen; Håkon Holien
(2000). A blue-green Psoroma hypnorum found in Trøndelag, Central Norway. (external link)
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Per Magnus Jørgensen
(2000). Studies in the Pannariaceae IX. A revision of Pannaria subg. Chryopannaria. (external link)
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Per Magnus Jørgensen
(2000). Proposal to reject the name Hueella (Pannariaceae, lichenised Ascomycota). (external link)
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Per Magnus Jørgensen; G. Kantvilas; David Galloway
(2000). Three new species in the lichen genus Degelia. (external link)
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Per Magnus Jørgensen
(2000). On the identity of Ocellularia atlantica Erichs. (external link)
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Per Magnus Jørgensen
(2010). New discoveries in the lichen genus Staurolemma Korber. (external link)
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Per Magnus Jørgensen
(2018). 'Pauperrimi rustici', a Linnean myth about lichens, rectified. (external link)
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Per Magnus Jørgensen; Pier Luigi Nimis
(2019). On the typification of the lichen genus Lepra Scop.. (external link)
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T. Spribille; Per Magnus Jørgensen; M. Schultz
et al. (2007). Santessoniella saximontana, a new lichen species from British Columbia. (external link)
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Per Magnus Jørgensen
(2000). Die Flechte Santessoniella arctophila (Th. Fr.) Henssen, neu für die Alpen. (external link)
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Per Magnus Jørgensen
(2000). Names are defined, but not as taxa. (external link)
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Per Magnus Jørgensen; Mats Wedin
(2019). Further additions to 'Rustici pauperrimi': a Linnean phrase for mosses.. (external link)
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Per Magnus Jørgensen
(2000). New or interesting Parmeliella species from Andes and Central America. (external link)
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Per Magnus Jørgensen
(2000). The sorediate counterparts of the lichen Fuscopannaria leucosticta (Tuck.) P.M. Jørg. (external link)
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Per Magnus Jørgensen
(2018). Trouble with botanical Latin?. (external link)
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Per Magnus Jørgensen
(2008). Proposals to reject the name Verrucaria thelostoma and its synonym Pyrenula umbonata (lichenized ascomycota). (external link)
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Per Magnus Jørgensen; Anders Nordin
(2008). Proposal to conserve Aspicilia aquatica against Lichen mazarinus (Ascomycota: Pertusariales: Megasporaceae). (external link)
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Per Magnus Jørgensen
(1992). Forvillete krypende mjølker i Norge. (external link)
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Eli Fremstad; Per Magnus Jørgensen
(2011). Fantes klokkesøte Gentiana pneumonanthe engang i Gudbrandsdalen?. (external link)
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Per Magnus Jørgensen; Christian Printzen; Tor Tønsberg
(2002). Biatora amaurospoda Anzi, a superfluous name for Lecidea pullata (Norman) Th. Fr. (external link)
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Per Magnus Jørgensen; William R. Buck
(2013). Further contributions to the lichen genus Leptogium in southern South America. (external link)
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Per Magnus Jørgensen; P.W. James
(2001). A new Erioderma taxon from the Azores. (external link)
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Per Magnus Jørgensen
(1992). More on a giant hodgenweeds. (external link)
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Per Magnus Jørgensen
(1992). Notes on Candelaria crawfordii. (external link)
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Per Magnus Jørgensen; D. Galloway
(1992). Pannariaceae. (external link)
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David J. Galloway; Wanda Quilhot; Per Magnus Jørgensen
(2006). Pannaria conoplea and P-tavaresii (Ascomycota : Pannariaceae) new to Chile. (external link)
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Alan M. Fryday; Damien Ertz; Per Magnus Jørgensen
(2017). Insights into the genus Austrella (Pannariaceae, Peltigerales), including a new species from Falkland Islands. (external link)
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Per Magnus Jørgensen
(2007). New discoveries in Asian pannariaceous lichens. (external link)
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Håkon Holien; Per Magnus Jørgensen
(2000). A bluegreen Psoroma hypnorum found in Trøndelag, Central Norway. (external link)
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Per Magnus Jørgensen; Lars Arvidsson
(2002). The lichen genus Erioderma (Pannariaceae) in Ecuador and neighbouring countries. (external link)
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Per Magnus Jørgensen
(2002). Two species of Pannariaceae (lichenised ascomycetes) from New Zealand with a wider Southern Hemisphere distribution. (external link)
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Per Magnus Jørgensen
(2002). Proposals to reject the name Collema proboscidale and to conserve the name Collema phyllocarpum with a conserved type, thereby stabilizing the nomenclature of some tropical Leptogium species (Collemataceae, Lecanorales). (external link)
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Stefan Ekman; Per Magnus Jørgensen
(2002). Towards a molecular phylogeny for the lichen family Pannariaceae (Lecanorales, Ascomycota). (external link)
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Per Magnus Jørgensen; H.J.M Sipman
(2002). The lichen genus Erioderma in Southeast Asia. (external link)
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Per Magnus Jørgensen; M Zhurbenko
(2002). Two new, remarkable, arctic species in the lichen genus Fuscopannaria (Pannariaceae, lichenized ascomycetes). (external link)
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Per Magnus Jørgensen
(2002). Further notes on Asian species of the lichen genus. (external link)
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Per Magnus Jørgensen; Anders Nordin
(2009). Lichens in Scandinavia known mainly from Norwegian type-specimens. (external link)
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Per Magnus Jørgensen; Anders Nordin
(2009). Proposal to reject the name Lecidea epiploica. (external link)
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Per Magnus Jørgensen; H.J.M Sipman
(2002). A new species in the lichen genus Fuscoderma from New Guinea. (external link)
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Per Magnus Jørgensen; A Aptroot
(2002). The lichen Physma hondoanum Asah. discovered in Taiwan. (external link)
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Per Magnus Jørgensen
(1998). Studies in the lichen family Pannariaceae VII. On some poorly known parmelielloid species from the Southern Hemisphere. (external link)
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Per Magnus Jørgensen; P.W. James
(1998). Two aquatic cyanolichens new to the Azores. (external link)
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Per Magnus Jørgensen
(2009). A new Asian speicies in the Parmeliella mariana group. (external link)
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Per Magnus Jørgensen
(2009). Proposal to conserve the name Lichen lichenoides (Leptogium lichenoides) against Lichen tremelloides and L. tremella (lichenized Ascomycota). (external link)
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Per Magnus Jørgensen
(2009). A new, Asian species in the Parmeliella mariana complex (Pannariaceae). (external link)
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Mats Wedin; Elisabeth Wiklund; Per Magnus Jørgensen
et al. (2009). Slippery when wet: phylogeny and character evolution in the gelatinous cyanobacterial lichens (Peltigerales, Ascomycetes). (external link)
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Per Magnus Jørgensen
(2009). Noen mykologiske observasjoner fra Njåskogen, Rogaland. (external link)
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Per Magnus Jørgensen
(2009). Godtfred Bohr og hans mulige funn av trådbregne i Bergensregionen. (external link)
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Per Magnus Jørgensen; Stephen R. Clayden; Claudia Hanel
et al. (2009). The lichen Erioderma mollissimum (Sampaio) DuRietz found with certainty in Newfoundland, Canada. (external link)
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Per Magnus Jørgensen
(1998). What shall we do with the blue-green counterparts?. (external link)
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Per Magnus Jørgensen
(1998). Two proposals concerning Art. 59.5. (external link)
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Per Magnus Jørgensen
(1998). A new species in the lichen genus Lempholemma from the Baltic islands. (external link)
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Per Magnus Jørgensen
(1998). Botanical Latin, quo vadis?. (external link)
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Per Magnus Jørgensen; Hiroyuki Kashiwadani
(2008). Leptogium loriforme P. M. Jorg. & Kashiw., a new hairy species from Papua New Guinea. (external link)
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Per Magnus Jørgensen; Louise Olley
(2010). A new hairy Leptogium from Nepal. (external link)
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Per Magnus Jørgensen
(2023). Personene i planteslektsnavnene: IV. Tillegg og rettelser. (external link)
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Per Magnus Jørgensen
(2023). Personene i planteslektnavnene: IIIb. Botanikere og samlere S-W, og noen norske fra eksotiske områder. (external link)
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Per Magnus Jørgensen
(2002). Kroswia, a new genus in the Pannariaceae (lichenised ascomycetes). (external link)
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Per Magnus Jørgensen
(2002). Two nomenclatural systems?. (external link)
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Per Magnus Jørgensen; A. Henssen
(1993). Physma omphalarioides - its taxonomic position and phytogenography. (external link)
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Per Magnus Jørgensen
(1993). Pseudohepatica, a remarkable new lichen genus from Venezuela. (external link)
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Per Magnus Jørgensen; Pieter P.G. Van den Boom; Emmanuel Serusiaux
(2009). Notes on the lichen genus Erioderma in Reunion. (external link)
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Stefan Ekman; Mats Wedin; Louise Maria Lindblom
et al. (2014). Extended phylogeny and a revised generic classification of the Pannariaceae (Peltigerales, Ascomycota). (external link)
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A. Henssen; Per Magnus Jørgensen
(1994). Discussion 5. Gyalectales, Lichinales, Peltigerales and Pertusariales. (external link)
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Per Magnus Jørgensen
(1998). Acantholichen pannarioides, a new Basidiolichen from South America. (external link)
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G. Kantvilas; Per Magnus Jørgensen
(1998). Observations on the lichen genus Lempholemma Körb. in Australia. (external link)
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Per Magnus Jørgensen
(1994). Leptogium palustre, a new lichen from East Africa. (external link)
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Per Magnus Jørgensen
(1994). Further notes on European taxa of the lichen genus Leptogium, with emphasis on the small species. (external link)
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H. Holien; Per Magnus Jørgensen; E. Timdal
et al. (1994). Norske lavanavn, supplement. (external link)
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Per Magnus Jørgensen
(2011). Erfaringer fra artssamlingen av Rhododendron i Det norske arboret. Del I, subgenus Rhododendron. (external link)
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Walter Gams; J.A. Stalpers; Per Magnus Jørgensen
et al. (1998). Two proposals concerning recognition of living types. (external link)
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Carolina Cornejo; Peter R. Nelson; Irina Stepanchikova
et al. (2016). Contrasting pattern of photobiont diversity in the Atlantic and Pacific populations of Erioderma pedicellatum (Pannariaceae). (external link)
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Per Magnus Jørgensen
(2023). Personene i plante-slektsnavnene: IIIa. Botanikere og samlere, A–P. (external link)
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Per Magnus Jørgensen; R. Santesson
(1993). Nine proposals to conserve generic names of lichenized fungi. (external link)
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Per Magnus Jørgensen
(1994). Studies in the lichen family Pannariaceae VI: The taxonomy and phytogeography of Pannaria Del. s lat. (external link)
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B. J. Coppins; O. L. Gilbert; Per Magnus Jørgensen
(1993). Lempholemma, Psorotichia. (external link)
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Per Magnus Jørgensen
(1994). The lichen genus Leioderma in Japan. (external link)
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B. J. Coppins; O. L. Gilbert; Per Magnus Jørgensen
(1993). Pyrenopsis, Spilonema. (external link)
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Per Magnus Jørgensen
(1993). En rar orkid#/e uten klorofyll. (external link)
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B. J. Coppins; Per Magnus Jørgensen
(1993). Euopsis. (external link)
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Per Magnus Jørgensen
(1992). Forvillete krypende mjølker i Norge. (external link)
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Per Magnus Jørgensen
(1992). Notes on Candelaria crawfordii. (external link)
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Per Magnus Jørgensen
(1994). Mer om hvitbladet breiflangre. (external link)
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O. W. Purvis; Per Magnus Jørgensen; B. J. Coppins
(1994). Ochrolechia szatala#"ensis Vers., new to Great Britain and Ireland. (external link)
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Per Magnus Jørgensen
(1994). Proposals to reject four species names of lichenized fungi. (external link)
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Per Magnus Jørgensen
(2012). Typification of the names published in Gunnerus’ Flora norvegica. (external link)
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Per Magnus Jørgensen
(2012). Leptogium resupinans, a lichen to look out for in the British Isles. Bull. (external link)
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Per Magnus Jørgensen
(2012). Distribution and status of Leptogium schraderi (Bernh.) Nyl. in Norway. (external link)
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Per Magnus Jørgensen
(2010). The state of botaniy in The British Isles about 1815 as reported by Christen Smith. (external link)
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Per Magnus Jørgensen
(2013). Plantenavnene hos Gunnerus i Flora norvegica. (external link)
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Per Magnus Jørgensen; Aino Henssen
(1999). Further species of the lichen genus Staurolemma (Collemataceae, Lichenized ascomycetes). (external link)
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Per Magnus Jørgensen; G. Kantvilas
(1998). Observations on the lichen genus Lempholemma Körb. in Australia. (external link)
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Per Magnus Jørgensen
(1998). A new species in the lichen genus Lempholemma from the Baltic Islands. (external link)
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Per Magnus Jørgensen
(1999). The shaping of early lichenology: Linnaeus and his pupils. (external link)
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Per Magnus Jørgensen; M. Wedin
(1999). On Psoroma species from the southern Hemisphere with ceplalodia producing vegetative dispersal units. (external link)
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Per Magnus Jørgensen
(2017). The Development of lichenology in the history of botany.. (external link)
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Per Magnus Jørgensen
(2017). Puttbo, a secluded Linnean relic. (external link)
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Arve Elvebakk; Soon Gyu Hong; Chae Haeng Park
et al. (2016). Gibbosporina, a new genus for foliose and tripartite, Palaeotropic Pannariaceae species previously assigned to Psoroma. (external link)
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Håkon Holien; Per Magnus Jørgensen; Einar Timdal
et al. (1994). Norske lavnavn - supplement. (external link)
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Per Magnus Jørgensen
(2017). Norge på lavtoppen. (external link)
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Per Magnus Jørgensen
(2008). Vahliella, a new lichen genus. (external link)
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Mats Wedin; Per Magnus Jørgensen; Elisabeth Wiklund
(2007). Massalongiaceae fam. nov., an overlooked monophyletic group among the cyanobacterial lichens (Peltigerales, Lecanoromycetes, Ascomycota). (external link)
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Per Magnus Jørgensen
(2017). An unknown Lem hybrid discovered at his ancestral home in Norway. (external link)
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Per Magnus Jørgensen
(2003). Notes on African Pannariaceae (lichenized ascomycetes). (external link)
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Per Magnus Jørgensen
(2003). A new species of Arctomia from Sichuan province, China. (external link)
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Per Magnus Jørgensen
(2003). Studies in the lichen family Pannariaceae XI. The isidiate species of the genus Pannaria. (external link)
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Per Magnus Jørgensen; Ivar Gjerde
(2012). Notes on some pannariaceous lichens from New Caledonia. (external link)
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Per Magnus Jørgensen; John C. Brinda; Wedin Mats
(2021). (2823) Proposal to reject the name Riccia sinuata (Marchantiophyta). (external link)
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Per Magnus Jørgensen
(2003). Etableringen av botanikken ved vårt første universitet. (external link)
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Per Magnus Jørgensen
(2003). Notes on some misunderstood, subtropical Parmeliella species. (external link)
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Per Magnus Jørgensen; H. Kristinsson
(2003). Psoroma hirsutulum, a lichen found in Iceland, new to the Northern Hemisphere. (external link)
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Per Magnus Jørgensen
(2003). Conspectus familiae Pannariaceae (Ascomycetes lichenosae). (external link)
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Per Magnus Jørgensen; Heidi Lie Andersen; Arve Elvebakk
(2019). The genus Massalongia (lichenised ascomycetae) in the Southern Hemisphere. (external link)
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Alan M. Fryday; Damien Ertz; Per Magnus Jørgensen
(2017). Insights into the genus Austrella (Pannariaceae, Peltigerales), including a new species from the Falkland Islands. (external link)
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Per Magnus Jørgensen; Pieter P.G. Van den Boom; Emmanuel Serusiaux
(2009). Notes on the lichen gentis Erioderma in La Reunion. (external link)
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Per Magnus Jørgensen
(2022). Rhododendron-portrett: Rh. macabeanum. (external link)
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Per Magnus Jørgensen; Zdenek Palice
(2015). Additions to the cyanolichens of the Andes.. (external link)
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Per Magnus Jørgensen; Imke Schmitt
(2023). The typification of Variolaria discoidea Pers. (external link)
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Per Jørgensen; Ivan Digernes
(2003). Ladning på naturlig organisk materiale. (external link)
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Aud Helland; Gjertrud Holtan; Per Jørgensen
(2003). Riverine Inputs of Organic Carbon and Nitrogen to Norwegian Coastal Areas. (external link)
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Per Magnus Jørgensen; Matthias Schultz; Anna Guttová
(2013). Validation of Anema tumidulum (Lichinaceae, lichenized Ascomycota), a widespread cyanophilic lichen. (external link)
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Per Magnus Jørgensen; Heidi Lie Andersen
(2015). The lichen genus Psoromidium (Pannariaceae) re-evaluated, with nomenclatural notes on Degeliella and Psoromaria. (external link)
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Per Magnus Jørgensen; T Goward
(2015). Notes on the Collema tenax complex with recognition of two further species in the genus Enchylium.. (external link)
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Per Magnus Jørgensen
(2012). En ny norsk hinnelav, Leptogium aragonii. (external link)
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Per Magnus Jørgensen; R. Cezanne; M. Eichler
et al. (2018). An unusual record of Vahliella atlantica. (external link)
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Per Magnus Jørgensen; A. K. Ezhkin
(2018). New records of Pannariaceae (lichenized Ascomycota) from Sakhalin and the Kurile Islands, Russia Far East.. (external link)
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Per Magnus Jørgensen; Leena Myllys; Saara Velmala
et al. (2012). Bryoria rigida, a new Asian lichen species from the Himalayan region. (external link)
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Per Magnus Jørgensen
(2012). Erfaringer fra artssamlingen av Rhododendron i Det norske arboret, Milde. II. subgenus Hymenanthes. (external link)
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Per Magnus Jørgensen; Hiroyuki Kashiwadani
(2001). Notes on the Lichen Genus Parmeliella in Japan. (external link)
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Mats Wedin; Per Magnus Jørgensen; Stefan Ekman
(2011). Vahliellaceae, a new familyy of cyanobacterial lichens (Peltigerales,Ascomycetes). (external link)
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Per Magnus Jørgensen
(2018). Proposal to conserve Variolaria Pers. against Lepra and Variolaria Bull. (lichenized ascomycetes). (external link)
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Per Magnus Jørgensen
(2015). A tribute to Peter James (1930 - 2014). (external link)
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Per Magnus Jørgensen
(2015). David John Galloway (1942 - 2014) an appreciation of his life and work.. (external link)
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Per Magnus Jørgensen
(2015). Hildur Krog (1922 - 2014). (external link)
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Per Magnus Jørgensen
(2001). The lichen genus Erioderma (Pannariaceae) in China and Japan. (external link)
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Per Magnus Jørgensen
(2013). Gunnerus om nytteplanter, eller 'Pan norvegicus'. (external link)
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D.L. Hawksworth; Per Magnus Jørgensen
(2013). Proposal to conserve the name Alectoria fuscenscens Gyelsn. over Lichen chalybeiformis L. and Alectoria subcana (Nyl. ex Stitzenb.) Gyeln. (Fungi, Ascomycota, Lecanorales). (external link)
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Israel Perez-Vargas; Consuelo Hernández-Padrón; Pedro Luís Pérez de Páz
et al. (2014). A new species in the lichen genus Vahliella from the Canary Islands, including a key to Vahliellaceae, Pannariaceae, and Coccocarpiaceae in Macaronesia. (external link)
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Per Magnus Jørgensen
(2015). 'Arnulf', uusi norjalainen aippiruusulajike pohjoisen puutarhoihin. (external link)
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Per Magnus Jørgensen; Tor Tønsberg
(2005). Leioderma cherokeense (Pannariaceae, Lecanorales) sp. nov. from the Great Smoky Mountains, North Carolina, U.S.A. (external link)
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Per Magnus Jørgensen
(2000). Moelleropsis nebulosa ssp. frullaniae, a new lichen for Europe. (external link)
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Per Magnus Jørgensen
(2000). Notes on some East- Asian species of the lichen genus Fuscopannaria. (external link)
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Per Magnus Jørgensen; Tor Tønsberg
(1999). Notes on small species of Leptogium from Pacific North America. (external link)
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Per Magnus Jørgensen; Reidar Elven
(2012). Proposal to conserve the name Carex norvegica against C. halleri and with a conserved type (Cyperaceae). (external link)
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Per Magnus Jørgensen; Zdeněk Palice
(2012). Collema paramense, a new lichen species with notes on the genus in the Andes. (external link)
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Per Magnus Jørgensen
(2000). Porina isidiata Kalb. & Hafellner, new to the British Isles. (external link)
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Per Magnus Jørgensen
(2012). Årets blomstring i rhododendronsamlingene på Milde. (external link)
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Håkon Holien; Per Magnus Jørgensen
(2010). Narreglye Staurolemma omphalarioides, en av Norges merkeligste lavarter. (external link)
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Kalle Kirsimae; Volli Kalm; Per Jørgensen
(1999). Diagenetic transformation of clay minerals in lower Cambrian argillaceous sediments of North Estonia. (external link)
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Per Magnus Jørgensen
(2005). Notes on two subantarctic pannariaceous lichens. (external link)
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Per Magnus Jørgensen
(2005). Niels Gregerts Ingvald Wulfsverg (1847-1888) - en norsk mosepionér. (external link)
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Per Magnus Jørgensen; HJM Sipman
(2004). A revision of the Pannaria rubiginosa complex in South America. (external link)
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Per Magnus Jørgensen
(1996). On the nomenclature of lichen phototypes. (external link)
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D. J. Galloway; Per Magnus Jørgensen
(1995). The lichen genus Leptogium (Collemataceae) in southern Chile, South America. (external link)
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Per Magnus Jørgensen; D. Moe
(1995). Damsgård garden, the plants used in a restored and reconstructed baroque garden from 1780. (external link)
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Per Magnus Jørgensen; Stephen R. Clayden; Claudia Hanel
et al. (2009). Erioderma mollissimum (Pannariaceae) found with certainty in Newfoundland, Canada. (external link)
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H. M. Jahns; P. Klöcker; Per Magnus Jørgensen
et al. (1995). Development of thallus and ascocaps in Stereocaulon tornensis. (external link)
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Per Magnus Jørgensen; T. Ouren
(1995). Ussurisennep, en ny norsk adventivplante. (external link)
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Mats Wedin; Per Magnus Jørgensen; Stefan Ekman
(2010). Vahliellaceae, a new family of cyanobacterial lichens (Peltigerales, Ascomycetes). (external link)
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Per Magnus Jørgensen
(2002). Leptogium in. (external link)
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Per Magnus Jørgensen
(1999). The shaping of early lichenology: Linnaeus and his pupils. (external link)
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Per Magnus Jørgensen; Tor Tønsberg
(1999). Notes on small Leptogium species from Pacific North America. (external link)
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Per Magnus Jørgensen; Mats Wedin
(1999). On Psoroma species from the Southern Hemisphere with cephalodia producing vegetative dispersal units. (external link)
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Stefan Ekman; Tor Tønsberg; Per Magnus Jørgensen
(2019). The Sticta fuliginosa group in Norway and Sweden. (external link)
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Per Magnus Jørgensen; Scott A. Redhead
(2006). Proposal to conserve the name Hygrophorus hudsonianus agains Endocarpon viride and Normandina davidis (lichenized Basidiomycota). (external link)
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Harald Bratli; Per Magnus Jørgensen; Reidar Haugan
et al. (2010). Catapyrenium psoromoides, new to Norway. (external link)
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Per Magnus Jørgensen; Tor Tønsberg
(2010). The lichen Bryoria bicolor found fertile in western Norway. (external link)
-
Per Magnus Jørgensen; Zdeněk Palice
(2010). Additions to the lichen family Pannariaceae in Ecuador. (external link)
-
Per Magnus Jørgensen; F Schumm
(2010). Parmeliella borbonica, a new lichen species from Reunion. (external link)
-
Per Magnus Jørgensen; Aino Henssen
(1999). Further species of the lichen genus Staurolemma (Collemataceae, Lichenized Ascomycetes). (external link)
-
Sverre Sandberg; K Hellsing; Per Magnus Jørgensen
et al. (1999). Skandinavisk utprøving av laboratorieutstyr for primærhelsetjenesten. Etablering av SKUP og igangsetting av de første evalueringene. (external link)
-
Per Magnus Jørgensen
(1999). Studies in the lichen family Pannariaceae VIII. Seven new parmelielloid lichens from New Zealand. (external link)
-
Per Magnus Jørgensen
(1999). Martin Vahl (1749-1804), den første norske botanikkprofessor. (external link)
-
Per Magnus Jørgensen; J.I. Johnsen
(2006). Fuscopannaria atlantica discovered in Scandinavia. (external link)
-
Per Magnus Jørgensen
(2006). Leptochidium crenatulum, a misunderstood arctic-alpine lichen species. (external link)
-
Per Magnus Jørgensen; Harrie J.M. Sipman
(2006). The lichen family Pannariaceae in the montane regions of New Guinea. (external link)
-
Per Magnus Jørgensen; Tor Tønsberg
(2010). Leptogium insigne, a new species from the Pacific Northwest of North America. (external link)
-
Per Magnus Jørgensen
(2014). (032) Proposal to substitute Art.9 Ex.9 With a New Example. (external link)
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Tor Tønsberg; Per Magnus Jørgensen
(1997). On the alleged apothecia of Leproloma. (external link)
-
Per Magnus Jørgensen
(1997). Lichen phototypes, Nature's unmanageable misprints?. (external link)
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Per Magnus Jørgensen; Tor Tønsberg; Katherine A. Glew
(2010). Fuscopannaria cheiroloba, a rarely collected lichen species. (external link)
-
Per Magnus Jørgensen
(2010). Biskop Gunnerus som botaniker. (external link)
-
Tom Carlberg; Per Magnus Jørgensen; Tor Tønsberg
(2016). Scytinium singulare, a new lichen species from coastal California. (external link)
-
Per Magnus Jørgensen
(1997). Further notes on hairy Leptogium species. (external link)
-
Per Magnus Jørgensen
(2014). Notes on the New Ex.9 in Art.9.8 of the ICN. (external link)
-
Per Magnus Jørgensen
(2014). Taxonomy and nomenclature of Collema fascuculare (L.) G.H. Weber. (external link)
-
Per Magnus Jørgensen
(2005). A new Atlantic species in Fuscopannaria, with a key to its European species. (external link)
-
Per Magnus Jørgensen
(1996). On the nomenclature of lichen phototypes. (external link)
-
Kalle Kirsimäe; Per Jørgensen
(2000). Mineralogical and Rb-Sr isotope studies of low-temperature diagenesis of Lower Cambrian clays of the Baltic paleobasin of North Estonia. (external link)
-
Per Magnus Jørgensen; Eli Fremstad
(2012). Angivelser av karplanter som det er verdt å merke seg i J.E. Gunnerus' "Flora Norvegica" (1766-76). (external link)
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Kalle Kirsimae; Per Jørgensen; Volli Kalm
et al. (1999). Low-temperature diagenetic illite-smectite in Lower Cambrian clays in North Estonia. (external link)
-
Håkon Holien; Per Magnus Jørgensen
(2000). A bluegreen Psoroma hypnorum found in Trøndelag, Central Norway. (external link)
-
Per Magnus Jørgensen
(2009). Knut Fægri i historisk perspektiv på 100-årsdagen. (external link)
-
Per Magnus Jørgensen; Zdeněk Palice
(2016). Leptogium insgne new to Ecuador, with a note on its generic position.. (external link)
-
Per Magnus Jørgensen
(2016). Er "Arnulf" en grex?. (external link)
-
Per Magnus Jørgensen
(2015). Rik høstblomstring hos duftende Rhododendron kjemper.. (external link)
-
Per Magnus Jørgensen
(2004). The lichen family Pannariaceae in Ecuador. (external link)
-
Jan Toftegaard Støckel; Åse Strandbu; Oskar Solenes
et al. (2010). Sport for children and youth in the Scandinavian countries. (external link)
-
Per Magnus Jørgensen
(2015). The gender of generic tree names. (external link)
-
Per Magnus Jørgensen
(2015). Pannaria reflectens, a misunderstood lichen of Australian mangroves, with a annotated key to the Australian species of the Pannaria lurida group.. (external link)
-
Per Magnus Jørgensen
(2016). Rhododendron Leucaspis og noen av dens hybrider. (external link)
-
Per Magnus Jørgensen
(2022). ‘Cupcake’, et yak-kupp. (external link)
-
Per Magnus Jørgensen
(2004). Additional lichen records from Australia 23: Kroswia crystallifera P.M Jørg. and Pannaria molkenboeri. (external link)
-
Per Magnus Jørgensen
(2004). Further contributions to the Pannariaceae (licheized Ascomycetes) of the Southern Hemisphere. (external link)
-
Per Harald Salvesen; Per Magnus Jørgensen
(2020). Rhododendronbyen Bergen i nytt lys. (external link)
-
Per Magnus Jørgensen; Mats Wedin; M Otora
(2017). The genus Paracollema validated (Collemataceae, Peltigerales, Lecanoromycetes. (external link)
-
Per Magnus Jørgensen; M.A.G. Otalora; M. Wedin
(2013). Proposal to conserve the generic name Leptogium (lichen Ascomycota) with a new type. (external link)
-
Per Magnus Jørgensen; Einar Timdal
(2013). What is Lichen oederi Gunnerus?. (external link)
-
Mónica A.G. Otálora; Per Magnus Jørgensen; Mats Wedin
(2014). A revised generic classification of the jelly lichens, Collemataceae. (external link)
-
Per Magnus Jørgensen
(2021). Harold Eldon Greer (1945-2021), en amerikansk rhododendron-legende. (external link)
-
Per Magnus Jørgensen
(2022). ‘Maid of Norway’ og andre rhododendronsorter knyttet til foreningens virksomhet. (external link)
-
Per Magnus Jørgensen; Per Harald Salvesen; Per A. Åsen
(2013). Tulipa norvegica, en ny norsk endemisk tulipanart?. (external link)
-
Per Magnus Jørgensen; K. J. Grimstad; O Olsen
(2013). Epiphloea byssina, a new lichen for Norway. (external link)
Popular science article
-
Per Magnus Jørgensen
(2011). 'Milderubin', gammel kjenning med nytt navn. (external link)
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Per Magnus Jørgensen
(2011). En feilparkert lav. (external link)
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Per Magnus Jørgensen
(2011). Høstblomstrende Rhododendron. (external link)
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Per Magnus Jørgensen
(2011). Problem med gamle Rhododendron. (external link)
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Mary H. Losvik; Per Magnus Jørgensen
(1999). Musehagen. (external link)
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Per Magnus Jørgensen; Per Harald Salvesen
(2011). Trompetteret har funnet melodien i Bergen. (external link)
-
Per Magnus Jørgensen; Svein Imsland
(2018). Syrinslirekne, en plante å se opp med.. (external link)
-
Per Magnus Jørgensen
(2019). Royale asaleaer på Milde. (external link)
-
Per Magnus Jørgensen
(2018). Kamelia på friland i Norge. (external link)
-
Per Harald Salvesen; Per Magnus Jørgensen
(2018). Tinnved (Hippophaë rhamnoides) i Muséhagen. (external link)
-
Per Magnus Jørgensen
(2018). En perle av en rhododendron på Jæren.. (external link)
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Per Magnus Jørgensen
(2019). Svar på spørsmål. (external link)
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Per Magnus Jørgensen
(2019). Hva er Rhododendron kyawii?. (external link)
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Per Magnus Jørgensen
(2018). Rhododamene.. (external link)
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Per Magnus Jørgensen
(1996). Borrelåslav til reir. (external link)
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Per Magnus Jørgensen
(1996). Diamanter i Finnmark. (external link)
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Per Magnus Jørgensen
(1996). Svalbards skitne hemmelighet. (external link)
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Per Magnus Jørgensen
(1996). Liv på Mars?. (external link)
-
Per Magnus Jørgensen
(2002). Fløyelsbjørnebær i Arboretet. (external link)
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Per Magnus Jørgensen
(2002). Farfars tulipan. (external link)
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Per Magnus Jørgensen
(2002). Fra blomsterpotten til breranden - et bergensk forskerportrett, Knut Fægri. (external link)
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Per Magnus Jørgensen
(2002). Rhododendron "Polar Bear". (external link)
-
Per Magnus Jørgensen
(2002). Knut Fægri (1909-2001), the inextinguishable. (external link)
-
Per Magnus Jørgensen
(2005). Placynthium garovaglioi not present in Scandinavia. (external link)
-
Per Magnus Jørgensen
(2005). A new Atlantic species in Fuscopannaria, with a key to the European species. (external link)
-
Per Magnus Jørgensen
(2004). Sophie Maren Møller, en glemt bergensk botaniker - den første kvinnelige norske?. (external link)
-
Per Magnus Jørgensen
(2005). Tillegg om navnsetting av eldre Rhododendron-sorter. (external link)
-
Per Magnus Jørgensen
(2005). Eldre, lave rhododendron-sorter. (external link)
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Per Magnus Jørgensen
(2002). Ambrosia, gudenæring eller farlig ugress?. (external link)
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Per Magnus Jørgensen
(2002). Et Martin Vahl-portrett. (external link)
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Per Magnus Jørgensen
(1999). Martin Vahl (1749-1804) den første norske botanikkprofessor. (external link)
-
Per Magnus Jørgensen
(2002). Nekrolog over Knut Fægri, "Naturen's redaktør 1947-78. (external link)
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Per Magnus Jørgensen
(2002). Th. M. Fries (1832-1913), a grand Scandinavian lichenologist. (external link)
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Per Magnus Jørgensen
(2007). Cammellia, en plante med fremtid i norske hager?. (external link)
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Per Magnus Jørgensen
(2008). Tillegg om Wille. (external link)
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Per Magnus Jørgensen; HH Blom
(2007). Jens Holmboes undersøkelse av bergflettens utbredelse i Norge. (external link)
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Per Magnus Jørgensen
(2008). Rhododendron midtvinters. (external link)
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Per Magnus Jørgensen; A. Vaalund
(2008). Johan Nordal Fischer Wille, et 150 års minne. (external link)
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Per Magnus Jørgensen; Asbjørn Karlsen; Per Harald Salvesen
(2022). Astrid Karlsen - en kvinnelig pionér i botanikken. (external link)
-
Per Magnus Jørgensen
(2007). Blomsterkongen og biskopen. (external link)
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Per Magnus Jørgensen
(2005). Forsythia, det gule band mellom Japans flora og bergenske hager. (external link)
-
Per Magnus Jørgensen
(2004). Om Linnés okända norske ursprung. (external link)
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Per Magnus Jørgensen
(2005). Leptogium diffractum in Slovakia and the Czech Republic (lichenized Ascomycota). (external link)
-
Per Magnus Jørgensen
(2005). Azalea til besvær. (external link)
-
Per Magnus Jørgensen
(2005). Additions to the Pannariaceae of North America. (external link)
-
Per Magnus Jørgensen
(2005). Placynthium garovaglioi in the British Isles. (external link)
-
Per Magnus Jørgensen; J Montejunaite
(2005). Lemmopsis pelodes found in Lithuania. (external link)
-
Per Magnus Jørgensen
(2005). 'Sanderling', en ny tidligblomstrende, hvit rhododendron. (external link)
-
Per Magnus Jørgensen
(2005). Linnaeus at work with 'Species Plantarum'. (external link)
-
Per Magnus Jørgensen
(2008). E. Amundsen, en norsk rhododendronmisjonær?. (external link)
-
Per Magnus Jørgensen
(2008). 'Elisabeth Hobbie's ukjente halvsøster. (external link)
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Per Magnus Jørgensen
(2008). Gunnerus, Linnés norske tvillingsjel. (external link)
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Per Magnus Jørgensen
(2007). Linnaea - herba nostra. (external link)
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Per Magnus Jørgensen
(2007). Linné og Norge. (external link)
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Per Magnus Jørgensen
(2006). Fins det ingen rhodoer som blomstrer om høsten?. (external link)
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Per Magnus Jørgensen
(2006). Hvem kjenner hvem på gamle bilder av botanikere. (external link)
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Per Magnus Jørgensen
(2005). Johan Havaas - eit 50 års minne. (external link)
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Per Magnus Jørgensen
(2006). Norske plantenavn - til hvilken brk?. (external link)
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Per Magnus Jørgensen
(2006). Gunnera - Nidarosbispens plante. (external link)
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Per Magnus Jørgensen
(2006). Rhododendron-indrefileten. (external link)
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Per Magnus Jørgensen
(2006). "Latinske" navn er entydige, men ikke konstante. (external link)
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Per Magnus Jørgensen; Louise Lindblom
(2006). Greta Sernander-DuRietz - Sveriges första kvinnliga lavforskare. (external link)
-
Per Magnus Jørgensen
(2006). Amatørenes betydning for botanikken i Norge. (external link)
-
Per Magnus Jørgensen
(2006). Rhododendron ripense eller Rh. mucronatum?. (external link)
-
Per Magnus Jørgensen
(2006). Conspectus familiae Pannariaceae (Ascomycetes lichenosae), revidert versjon. (external link)
-
Per Magnus Jørgensen
(2017). Flere overraskelser i Halfdan Lems heimbygd. (external link)
-
Per Magnus Jørgensen
(2017). Wanted: portraits of British lichenologists.. (external link)
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Per Magnus Jørgensen; Ole Jonny Larsen
(2017). En ukjent Lem hybrid i Norge, har fått navn 'Lem's Tribute'. (external link)
-
Per Magnus Jørgensen
(1999). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1999). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1999). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1999). Tidens gang. (external link)
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Per Magnus Jørgensen
(1999). Kommentar fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1999). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1999). Farvel Dolly. (external link)
-
Per Magnus Jørgensen
(1999). Mendel leste Darwin. (external link)
-
Per Magnus Jørgensen
(2017). "Teddyen" har blomstret rikelig på Milde. (external link)
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Per Magnus Jørgensen
(2017). Norske floraer i 250 år. (external link)
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Per Magnus Jørgensen
(1999). Nightly conversations with Linnaeus. (external link)
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Per Magnus Jørgensen
(1999). Further nightly conversations with Linnaeus. (external link)
-
Per Magnus Jørgensen
(1999). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1999). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1999). Vår tidsregning ble gjort av engelsk munk. (external link)
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Per Magnus Jørgensen
(1999). I skammekroken - Botanisk saus. (external link)
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Per Magnus Jørgensen
(1999). Rhododendron på norske frimerker?. (external link)
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Per Magnus Jørgensen
(1999). Publisering for hvem, når og hvordan?. (external link)
-
Per Magnus Jørgensen
(1999). To ville rhododendron i Norge?. (external link)
-
Per Magnus Jørgensen
(1999). "Hilario" - en ny rhododendron. (external link)
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Helge Henriksen; Noralf Rye; Oddmund Soldal
et al. (1998). Naturens egne detektiver forteller om vannets strømning under overflaten. (external link)
-
Per Magnus Jørgensen; Heidi Lie Andersen
(2008). Bokmeldinger. (external link)
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Per Magnus Jørgensen; Bjørn Moe
(2014). Gode tider for vinterblomstrende busker.. (external link)
-
Per Magnus Jørgensen
(2020). Historien om en ny storbladet Rhododendron uten navn.. (external link)
-
Per Magnus Jørgensen
(2020). English Rhodoladies. (external link)
-
Per Magnus Jørgensen
(1992). Verdens største organisme. (external link)
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Per Magnus Jørgensen
(1992). I skammekroken. (external link)
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Per Magnus Jørgensen
(2020). Rhodoladies, with emphasis on Americans. (external link)
-
Per Magnus Jørgensen
(2020). Sentblomstrende Rhododendron. (external link)
-
Per Magnus Jørgensen
(2020). Notes on Wahlenberg's names in Acharius' Methodus. (external link)
-
Per Magnus Jørgensen
(1995). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1994). Lav som mat. (external link)
-
Per Magnus Jørgensen
(1995). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1992). Rhododendron-misforståelse. (external link)
-
Per Magnus Jørgensen
(1993). Botaniske julegleder. (external link)
-
Per Magnus Jørgensen
(1993). Gåsevås. (external link)
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Per Magnus Jørgensen
(1995). I skammekroken. (external link)
-
Per Magnus Jørgensen
(1995). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1995). Storm i en tekopp. (external link)
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Per Magnus Jørgensen
(1995). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1995). Apeskrekkens gjenoppdagede søster - et levende fossil. (external link)
-
Per Magnus Jørgensen
(1995). Medisinegg. (external link)
-
Per Magnus Jørgensen
(1995). Anna Anderson og Anastasisa. (external link)
-
Per Magnus Jørgensen; Per Harald Salvesen
(2019). Brunchorsts pil og andre originale elementer i Muséhagen. (external link)
-
Per Magnus Jørgensen
(1994). Håp for Magnus. (external link)
-
Per Magnus Jørgensen
(1993). Verdens eldste fossil. (external link)
-
Per Magnus Jørgensen
(1993). Linnaeus' twin brother?. (external link)
-
Per Magnus Jørgensen
(1992). Bregner med innebygde maurtuer. (external link)
-
Per Magnus Jørgensen
(1993). Tsarfamiliens skjebne belyst med DNA-studier. (external link)
-
Per Magnus Jørgensen
(2020). Botanikken som vitenskap i Bergen. (external link)
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Per Magnus Jørgensen
(1995). Lav er sopp. (external link)
-
Per Magnus Jørgensen
(1995). Hukommelsesmedisin. (external link)
-
Per Magnus Jørgensen
(1994). Verdens mest berømte blomsterutstilling. (external link)
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Per Magnus Jørgensen
(1995). Erling Christophersen - et tillegg. (external link)
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Per Magnus Jørgensen
(1994). Smokerings. (external link)
-
Per Magnus Jørgensen
(1995). Rhododendron, gartnernes fryd- botanikernes problem. (Kronikk). (external link)
-
Per Magnus Jørgensen
(1995). Lichens in focus. (external link)
-
Per Magnus Jørgensen
(1995). Veritas nuda. (external link)
-
Per Magnus Jørgensen
(1992). Problemer med svensk gås. (external link)
-
Per Magnus Jørgensen
(1993). Irsk munk med nytt verdensbilde. (external link)
-
Per Magnus Jørgensen
(1992). Mer om peanøtter. (external link)
-
Per Magnus Jørgensen
(1992). Feil dinosaurjubileum. (external link)
-
Per Magnus Jørgensen
(1995). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1995). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(2017). Du store kineser - enda flere rhododendron arter. (external link)
-
Per Magnus Jørgensen
(2018). Grønn duskamarant trives i Nygårdsgaten i Bergen. (external link)
-
Per Magnus Jørgensen
(2015). Levande kulturminnen i Sundborns trakten. (external link)
-
Per Magnus Jørgensen
(2013). Arter som blomstret første gang i Rhododendronsamlingen på Milde våren 2013. (external link)
-
Per Magnus Jørgensen
(2023). Peter M. A. Tigerstedt (1936–2022) – en finsk rhodopioner. (external link)
-
Per Magnus Jørgensen
(2007). Linné og Norge. (external link)
-
Per Magnus Jørgensen
(2007). Warren Berg in memoriam. (external link)
-
Per Magnus Jørgensen
(2007). Hvorfor vi feirer Linné. (external link)
-
Per Magnus Jørgensen
(2012). Bergen period in Welzen, P. van & al.: In memoriam Cees („Kees“) Berg, July 2nd 1934- August 31th 2012. (external link)
-
Per Magnus Jørgensen
(2012). Ove Dahl og hans ’Plantegeografiske undersøgelser i det indre af Romsdals amt med tilstødende fjeldtrakter I, II’. (external link)
-
Per Magnus Jørgensen
(2023). Jakten på den første Rhododendron-dyrkeren i Norge. (external link)
-
Per Magnus Jørgensen
(2023). ‘Calfort Bounty’ – en velluktende kjempe. (external link)
-
Per Magnus Jørgensen
(2012). Olav Gjærevoll om ’Overvintringsteoriens stilling i dag’. (external link)
-
Per Magnus Jørgensen
(2007). Nye, gullblomstrende, elepidote rhododendron. (external link)
-
Per Magnus Jørgensen
(2023). Jørgen Brunchorst (1862—1917), mannen som anla Muséhagen. (external link)
-
Per Magnus Jørgensen
(2007). To sjeldne Rhododendron-kultivarer blomstret på Milde. (external link)
-
Per Magnus Jørgensen
(2007). Enda en kjempe har blomstret på Milde. (external link)
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Per Magnus Jørgensen
(2007). Den forbaskete h-en. (external link)
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Per Magnus Jørgensen
(2007). Linnés rhododendron. (external link)
-
Per Magnus Jørgensen
(2012). Minneord om C. C. Berg. (external link)
-
Per Magnus Jørgensen
(2012). Kommentar til 'Plaget av Rh. ponticum'. (external link)
-
Per Magnus Jørgensen
(2012). Meir frå Kari sitt rhodoskattekammer på Stord. (external link)
-
Per Magnus Jørgensen
(2012). Johan Ernst Gunnerus’ ’Etterretning om de saa kaldede Løsnings-stene eller Vette-nyrer …’. (external link)
-
Per Magnus Jørgensen
(2009). Skjønnhetene fra Littleworth. (external link)
-
Per Magnus Jørgensen
(2008). Plantene i Japanhagen. (external link)
-
Per Magnus Jørgensen
(2008). God Camellia melding. (external link)
-
Per Magnus Jørgensen
(2008). Hagtorn + Mispel = sant. (external link)
-
Per Magnus Jørgensen
(1997). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1997). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1998). Bambusen blomstrer!. (external link)
-
Per Magnus Jørgensen
(1998). Nord-norske elever oppdager faktafeil i naturfagbok. (external link)
-
Per Magnus Jørgensen
(1998). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1998). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1997). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1997). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1997). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1997). Fra redaktøren. (external link)
-
Per Magnus Jørgensen
(1997). Fra tanke til bevegelse - en slagpasients opplevelser. (external link)
-
Per Magnus Jørgensen
(1997). Pressens ansvar for naturvitenskapen. (external link)
-
Per Magnus Jørgensen
(2001). Rhododendornportrett: "Polar Bear". (external link)
-
Per Magnus Jørgensen
(1998). Den misforståtte dronten. (external link)
-
Per Magnus Jørgensen
(1998). I skammekroken. (external link)
-
Per Magnus Jørgensen
(1997). Dolly - kloningsdebatt på avveier. (external link)
-
Per Magnus Jørgensen
(1998). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(1998). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(1998). Hva er "Cunningman's White"?. (external link)
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Per Magnus Jørgensen
(1997). Neanderthaler-DNA klarlagt. (external link)
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Per Magnus Jørgensen
(1998). Fossiler på internett. (external link)
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Per Magnus Jørgensen
(1998). The Botanical Garden "Sir Seewoosagur Ramgoolam". (external link)
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Per Magnus Jørgensen
(1998). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(1998). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(1997). Mars, nok engang. (external link)
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Per Magnus Jørgensen
(1997). Universitetet - børs eller katedral?. (external link)
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Per Magnus Jørgensen
(2003). En Linnéelev i Bergen 1760. (external link)
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Per Magnus Jørgensen
(2004). Im Frühling, to Hachmannske vårgleder. (external link)
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Per Magnus Jørgensen
(2003). Minnetale over professor Knut Fægri sr. (external link)
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Per Magnus Jørgensen
(1995). Universitetet som arbeidskontor; Karrieresenteret - en korreksjon. (external link)
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Per Magnus Jørgensen
(1995). Feilmerking. (replikk til leder). (external link)
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Per Magnus Jørgensen
(1995). Ordmagi og studentopptak. (external link)
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Per Magnus Jørgensen
(2004). H.H. Davidian in memoriam. (external link)
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Per Magnus Jørgensen
(2004). Langveisfarende rarieteter blomstrer på Milde. (external link)
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Per Magnus Jørgensen
(2004). Hans Hachmann, noen minneord. (external link)
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Per Magnus Jørgensen
(2004). Rhododendron og gjødsling. (external link)
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Per Magnus Jørgensen
(2010). Rhododendron - underet på Stord. (external link)
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Per Magnus Jørgensen
(2010). Hans Strøm, Norges første moderne biolog. (external link)
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Per Magnus Jørgensen
(2010). Edvard Amundsen, en norsk rhododendronmisjonær. (external link)
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Per Magnus Jørgensen
(2000). Om seriøs forskningsformidling. (external link)
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Per Magnus Jørgensen
(2000). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(2000). Three early Nordic botanical visitors to England. (external link)
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Per Magnus Jørgensen
(2000). Fra redaktørn. (external link)
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Per Magnus Jørgensen
(2000). Martin Vahl, mannen som oppdaget lapprosen i Norge. (external link)
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Per Magnus Jørgensen
(2000). Den gule bølge i Bergen. (external link)
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Per Magnus Jørgensen
(2000). Linnaeus and the Rhododendron Names. (external link)
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Per Magnus Jørgensen
(2000). Fra årets rhododendronblomstring på Milde. (external link)
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Per Magnus Jørgensen
(2000). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(2009). Tidlige rødblomstrende rhododendron. (external link)
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Per Magnus Jørgensen; Kari Schøyen
(2009). Sjelden, gammel rhododendron oppdaget på Sunnmøre. (external link)
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Per Magnus Jørgensen
(2009). Mørkblomstrete rhododendron - gamle sorter og noen av deres moderne etterkommere. (external link)
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Per Magnus Jørgensen
(2009). Biskop Gunnerus och Archiater Linné, två tvillingsjäler. (external link)
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Per Magnus Jørgensen; N. Voje Johansen; B.R. Pedersen
(2009). Christian Frederik Gotfred Bohr - mannen som opplyste Bergen. (external link)
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Per Magnus Jørgensen
(2009). Debutanter i samlingen av Rhododendron arter. (external link)
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Per Magnus Jørgensen
(2014). Tre storbladete kjemper under observasjon på Milde. (external link)
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Per Magnus Jørgensen
(2014). Rolf Santesson (1916-2013). (external link)
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Per Magnus Jørgensen
(2013). Erfaringer fra artssamlingen av Rhododendron i Det norske Arboret, Milde. Del III "Azalea" (de løvfellende artene). (external link)
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Per Magnus Jørgensen
(2010). Vinterskader på fire antatt følsomme Rhododendron sorter på Milde. (external link)
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Per Magnus Jørgensen
(2010). Hvordan gikk det med vinterskadene. (external link)
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Per Magnus Jørgensen
(1998). Hva er kanari?. (external link)
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Per Magnus Jørgensen
(2000). Den første lapprosen. (external link)
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Per Magnus Jørgensen
(2000). Blanda inte namn och systematik. (external link)
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Per Magnus Jørgensen
(2000). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(2000). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(2000). Litt om rhododendronnavn og -oppdagere. (external link)
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Per Magnus Jørgensen
(2000). Turistbotanikk på Mauritius. (external link)
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Per Magnus Jørgensen
(2000). Rhododendronportrett: Rh. lacteum Franch. (external link)
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Per Magnus Jørgensen
(2000). Roser til besvær. (external link)
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Per Magnus Jørgensen
(2000). Fra redaktøren. (external link)
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Per Magnus Jørgensen
(2014). Norske Rhododendron hybrider. (external link)
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Per Magnus Jørgensen; Daniel Ducrocq
(2012). Gustave Croux, a forgotten Franch Rhododendron breeder. (external link)
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Per Magnus Jørgensen
(2016). Halfdan Lem og hans Rhododendron hybrider.. (external link)
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Per Magnus Jørgensen
(2003). Ambrosia-hysteriet brer seg. (external link)
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Per Magnus Jørgensen
(2003). On Linnaeus' obscure Norwegian ancestry. (external link)
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Per Magnus Jørgensen
(2003). Kommentar til klassifiseringen av Rhododendron camtchaticum. (external link)
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Per Magnus Jørgensen
(2003). Rhododendronbyen Bergen i et historisk perspektiv. (external link)
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Per Magnus Jørgensen
(2003). Pytheas, grekeren som seilte til Norge i jernalderen. (external link)
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Per Magnus Jørgensen
(2014). 'Arnulf', a New Norwegian rhododendron cultivar for Northern gardens, and its breeder. (external link)
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Per Magnus Jørgensen
(2022). Jordnøtt Conopodium majus – en av Oeders vestnorske oppdagelser. (external link)
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Per Magnus Jørgensen
(2003). En litterær potteplante?. (external link)
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Per Magnus Jørgensen
(2003). Det nordiske hjørnet. (external link)
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Per Harald Salvesen; Per Magnus Jørgensen
(2019). Brunchorsts pil, og andre opprinnelige elementer i Muséhagen. (external link)
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Per Magnus Jørgensen; Dagfinn Moe
(2013). Iver Ancher Heltzen og hans upubliserte 'Forsøg til Helgelands Flora'. (external link)
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Per Magnus Jørgensen
(2015). "February Dawn", et sikkert, første vårtegn.. (external link)
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Per Magnus Jørgensen
(2015). Den gale porsen.. (external link)
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Per Magnus Jørgensen
(2022). Personnavnene I plantenavnene I. Linné og linnea. (external link)
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Per Magnus Jørgensen
(2022). Personene i planteslektsnavnene: II. Blant guder og sagnfigurer. (external link)
Lecture
Media interview
Media feature article
Academic book chapter
Editorial/Leader article
Research report
Journal review
Doctoral thesis (PhD)
Popular science book
Non-fiction monograph
Book anthology
Academic literature review
Academic monograph
Conference poster
Professional article
Journal corrigendum
Textbook
Popular science book chapter
See a complete overview of publications in NVA.