Publications from the lichen herbarium in O


Chronological list of lichenological papers from the Botanical museum, University of Oslo, and papers by botanists whos main lichen collections are kept here.

Updated 06/01/1997, by Einar Timdal


  • Sommerfelt,SC, 1823: Lichenologiska bidrag. K. sv. vetensk.-akad. handl. 1823: 112-119.
  • Sommerfelt,SC, 1826: Supplementum florae lapponicae.. Christiania [Oslo]..
  • Sommerfelt,SC, 1827: Physisk-oeconomisk beskrivelse over Saltdalen i Nordlandene.. K. norske Vidensk. Selsk. Skr. 2, 2: 1-176.
  • Sommerfelt,SC, 1828: Bemærkninger paa en botanisk Excursion til Bergens Stift. Mag. Naturvid. 8: 246-262.
  • Sommerfelt,SC, 1828: Bemærkninger paa en botanisk Excursion til Bergens Stift. Mag. Naturvid. 9: 1-33.
  • Sommerfelt,SC, 1828: Bemærkninger ved Supplementum floræ lapponicæ. Mag. Naturvid. 8: 163-166.
  • Sommerfelt,SC, 1833: Bidrag til Spitsbergens og Beeren-Eilands Flora, efter Herbarier medbragte af M. Keilhau. Mag. Naturvid. 11: 232-252.
  • Norman,JM, 1855: Botanisk Reise i et Strøg af Kysten mellem Stavanger og Bergen fra c. 59°12' n. B. til c. 60°8' n. B.. Nyt Mag. Naturvidensk. 08: 249-335.
  • Norman,JM, 1861: Om en formentlig ny Lavslækt. Forh. Skand. Naturf. 8. Møde Kbh. 1860 : 726-727.
  • Norman,JM, 1861: Descriptio speciei novae lichenis, quam detexit et sub nomine Tholurna dissimilis proponit. Flora 44: 409.
  • Norman,JM, 1863: Descriptio exactior Tholurna dissimilis. Bot. Zeitung 21: 225-227.
  • Norman,JM, 1867: De praeparatione specierum terrigenarum lichenum pro herbario. Flora 50: 180-181.
  • Norman,JM, 1867: Novæ lichenum species. Bot. Notiser 1867: 86-88.
  • Norman,JM, 1868: Lichenes Finmarkici novi. Bot. Notiser 1868: 191-193.
  • Norman,JM, 1868: Specialia loca natalia plantarum nonnullarum vascularium & characearum & lichenum in agro Arctico Norvegiæ confiniisque sponte nascentium. K. norske Vidensk. Selsk. Skr. 5: 241-378.
  • Norman,JM, 1869: Corrigendum. In opusculo "Specialia loca natalia plant.". Flora 52: 525.
  • Norman,JM, 1871: Novitiæ lichenææ arcticæ. Öfversigt K. Vetensk.-Akad. Förhandl. 27: 803-806.
  • Norman,JM, 1872: Cives novi lichenoeæ arcticæ Norvegiæ. Bot. Notiser 1872: 33-39.
  • Norman,JM, 1872: Conjectura de affinitate mutua Heterolichenum, ab. J. M. Norman anno 1852 proposita, nunc modo graphico plenius exhibita cum mutationibus, nexu arctiore formarum et indole sporarum præcipue ducibus. K. norske Vidensk. Selsk. Skr. 7: 1-16.
  • Norman,JM, 1872: Fuligines lichenosæ eller Moriolei. Bot. Notiser 1872: 9-20.
  • Norman,JM, 1872: Cetraria ciliaris Ach. civis florae Europaeae. Flora 55: 276.
  • Norman,JM, 1875: Alectoria nigricans Ach. quoque in Europa fructificans. Flora 58: 496.
  • Norman,JM, 1876: Nonnullæ observationum ulteriorum Morioleorum. Bot. Notiser 1876: 161-176.
  • Norman,JM, 1885: Nova genera et species Lichenum floræ Norvegicæ. Öfvers. K. vetensk.akad. förh. 41, 8: 31-42.
  • Norman,JM, 1893: Nephroma lusitanicum (Schaer.). Bot. Notiser 1893: 214-215.
  • Lynge,B, 1910: De norske busk- og bladlaver (Lichenes Thamno- et Phyllo-blasti Kbr.). Bergens Mus Aarb. 1910, 9:.
  • Lynge,B, 1910: Om udbredelsen af en del traad- og busklaver i Norge. Bot. Notiser 1910: 1-16.
  • Lynge,B, 1910: [møtereferat for 30.09.1909]. Nyt Mag. Naturvidensk. 48: 380-381.
  • Lynge,B, 1913: On the world's 'Lichenes exsiccati'. Nyt Mag. Naturvidensk. 51: 95-122.
  • Lynge,B, 1913: Neue Flechten aus Norwegen. Bergens Mus Aarb. 1912, 10: 1-10.
  • Lynge,B, 1914: Die Flechten der ersten Regnellschen Expedition. Die Gattungen Pseudoparmelia gen. nov. und Parmelia Ach.. Arkiv Bot. 13, 13: 1-172.
  • Lynge,B, 1915-1920: Index specierum et varietatum lichenum quae collectionibus "Lichenes exsiccati" distributae sunt. I, II. Nyt Mag. Naturvidensk. 53-60: div..
  • Lynge,B, 1916: A monograph of the Norwegian Physciaceae. Videnskapsselsk. Skr. Mat.-Naturvidensk. Klasse 1916, 8: 1-110.
  • Lynge,B, 1917: Über einige Regnellschen Parmelien aus Matto-Grosso, Brasilien. Arkiv Bot. 15, 1: 1-4.
  • Lynge,B, 1921: Lichens from the Gjøa expedition. Videnskapsselsk. Skr. Mat.-Naturvidensk. Klasse 1921, 15: 1-7.
  • Lynge,B, 1921: Om lavenes utbredelse i Norge. Naturen 1921: 148-158, 167-174, 240-250.
  • Lynge,B, 1921: Studies on the lichen flora of Norway. Norske Vidensk.Selsk. Skr. Mat. Nat. Kl. 1921, 7: 1-252.
  • Lynge,B, 1921: Lichens in the herb. Gunnerus. K. norske Vidensk. Selsk. Skr. 1920, 3: 1-12.
  • HøEG,OA, 1922: Die norwegischen Nephroma-Arten. Nyt Mag. Naturvidensk. 60: 85-97.
  • Høeg,OA, 1923: The corticolous Norwegian Pertusariaceae and Thelotremaceae. Nyt Mag. Naturvidensk. 61: 139-179.
  • Lynge,B, 1923: Lichens collected on the north-coast of Greenland by the late Dr. Th. Wulff. Meddel. Grønland 64: 281-288.
  • Lynge,B, 1924: Lichens from Spitsbergen. I. Skr. Svalbard Ishavet 5: 1-21.
  • Lynge,B, 1924: On South American Anaptychiae and Physciae. Videnskapsselsk. Skr. Mat.-Naturvidensk. Klasse 1924, 16:.
  • Lynge,B, 1924: On some South American lichens of the genera Parmelia, Candelaria, Theloschistes and Pyxine. Nyt Mag. Naturvidensk. 62: 83-97.
  • Lynge,B, 1926: Lichens from Bear Island (Bjørnøya). Result. norske statsundersøttede Spitsbergeneksped. 1, 9: 1-78.
  • Lynge,B, 1926: Lichens. Hopen. [Res. norske statsunderst. Spitsbergenekspeditioner. 1. Nr. 10] : 30-32.
  • Lynge,B, 1928: The Peltigeraceae in the Copenhagen Arctic herbarium. Dansk bot. Arkiv 5, 11: 1-13.
  • Lynge,B, 1928: Lichens from Novaya Zemlya (excl. of Acarospora and Lecanora). Rep. Sci. Res. Norwegian Exp. Novaya Zemlya 1921 43: 1-299.
  • Høeg,OA, 1929: Lichenological notes 1-2. K. norske Vidensk. Selsk. Forhandl. 1, 60: 179-181.
  • Lynge,B, 1929: Cornicularia divergens Ach. found fertile in Europe. Nyt Mag. Naturvidensk. 67: 131-136.
  • Lynge,B, 1929: Vascular plants and lichens. Norw. North polar exped. "Maud", sci. res. 5, 1: 1-15.
  • Haugsjå,P.K., 1930: Über den Einfluss der Stadt Oslo auf die Flechtenvegetation der Bäume. Nyt Mag. Naturvidensk. 68: 1-116.
  • Høeg,OA, 1931: A note on the character of the lichen flora at Victoria Falls. K. norske Vidensk. Selsk. Forhandl. 4, 26: 93-95.
  • Lynge,B, 1931: Lichens collected on the Norwegian scientific expedition to Franz Josef Land 1930. Skr. Svalbard Ishavet 38: 1-31.
  • Lynge,B, 1932: A revision of the genus Rhizocarpon (Ram.) Th. Fr. in Greenland. Skr. Svalbard Ishavet 47: 1-30.
  • Lynge,B, 1932: Lichens from South East Greenland collected in 1931 on Norwegian expeditions. Skr. Svalbard Ishavet 45: 1-15.
  • Lynge,B, 1932: The Godthaab expedition 1928. The lichens. Meddel. Grønland 82, 3: 1-8.
  • Lynge,B, 1932: Om utbredelsen av endel arktiske laver. Svensk bot. Tidskr. 26: 401-430.
  • Lynge,B/Scholander,PF, 1932: Lichens from North East Greenland collected on the Norwegian scientific expeditions in 1929 and 1930. Skr. Svalbard Ishavet 41: 1-116.
  • Lynge,B, 1933: On Dufourea and Dactylina. Three Arctic lichens. Skr. Svalbard Ishavet 59: 1-62.
  • Lynge,B, 1933: The Scoresby Sound Committee's 2nd East Greenland expedition in 1932 to King Christian IX.s Land. The Lichens. Meddel. Grønland 104, 5: 1-15.
  • Scholander,PF, 1933: Notes on Peltigera erumpens (Tayl.) Vain. s.l.. Nytt Mag. Naturvidensk. 73: 21-54.
  • Høeg,OA, 1934: Zur Flechtenflora von Stockholm. Nytt Mag. Naturvidensk. 75: 129-136.
  • Lynge,B, 1934: Some general results of recent Norwegian research work on Arctic lichens. Rhodora 36: 133-171.
  • Lynge,B, 1934: Lichenographia Fennica II. Index. Acta Soc. Fauna Fl. fenn. 57, 2: 507-531.
  • Scholander,PF, 1934: On the apothecia in the lichen family Umbilicariaceae. Nytt Mag. Naturvidensk. 75: 1-31.
  • Lynge,B, 1935: Kan lavarter ha overlevet siste istid i Arktis? [abstract]. Norske vidensk.akad. Oslo. Årbok 1934: 25-26.
  • Lynge,B, 1936: The lichen genus Rhizocarpon on the west and north coast of Spitsbergen and Nordostlandet (The North East Land). Svensk bot. Tidskr. 30: 307-323.
  • Dahl,E/Lynge,B/Scholander,PF, 1937: Lichens from Southeast Greenland. Skr. Svalbard Ishavet 70: 1-76.
  • Lynge,B, 1937: Lichens from West Greenland, collected chiefly by Th. M. Fries. Meddel. Grønland 118, 8: 1-225.
  • Lynge,B, 1937: Lichenes africani novi ab E. A. Vainio recogniti. Rev. Bryol. Lichenol. 10: 78-91.
  • Dahl,E, 1938: Interesting finds of lichens in Norway. Nytt Mag. Naturvidensk. 78: 127-138.
  • Lynge,B, 1938: Lichens from the west and north coasts of Spitsbergen and the North-East Land. I. The macrolichens. Skr. norske Vidensk.-Akad. Mat.-Naturvid. Klasse 1938, 6: 1-136.
  • Lynge,B, 1938: Et lite bidrag til Færøenes lavflora. Nytt Mag. Naturvidensk. 78: 139-140.
  • Lynge,B, 1939: A small contribution to the lichen flora of the eastern Svalbard islands. Meddel. Norges Svalbard Ishavs-undersøkelser 44: 1-12.
  • Lynge,B, 1939: Index collectionum 'Lichenes Exsiccati' Supplementum I. Nytt Mag. Naturvidensk. 79: 233-323.
  • Lynge,B, 1939: Lichens from Jan Mayen collected on Norwegian expeditions in 1929 and 1930. Skr. Svalbard Ishavet 76: 1-55.
  • Lynge,B, 1939: A contribution to the lichen flora of Canadian Arctic. Collection of Father Arthème Dutilly, o.m.i. Naturalist of the Arctic Missions : 16 s..
  • Lynge,B, 1940: Lichens collected during the Danish fifth Thule expedition through Arctic Canada. Rep. fifth Thule exped. 2, 3: 1-40.
  • Lynge,B, 1940: Et bidrag til Spitsbergens lavflora. Skr. Svalbard Ishavet 79: 1-22.
  • Lynge,B, 1940: Lichens from Iceland collected by Norwegian botanists in 1937 and 1939. I. Macrolichens. Skr. norske Vidensk.-Akad. Mat.-Naturvid. Klasse 1940, 7: 1-56.
  • Lynge,B, 1940: Lichens from North East Greenland collected on the Norwegian scientific expedtions in 1929 and 1930. II. Microlichens. Skr. Svalbard Ishavet 81: 1-143.
  • Lynge,B, 1940: Noen høydegrenser for laver i Troms fylke. Nytt Mag. Naturvidensk. 81: 102-104.
  • Lynge,B, 1941: On Neuropogon sulphureus (König) Elenk., a bipolar plant. Skr. Norske Vidensk.-Akad. Mat. Naturvid. Kl. 1940, 10: 1-35.
  • Lynge,B, 1947: Lichens.. Bull. Nat. Hist. Mus. Canada 97: 298-369.
  • Dahl,E, 1950: Studies in the macrolichen flora of South West Greenland. Meddel. Grønland 150, 2: 1-176.
  • Krog,H, 1950: Litt om lavsyrer, noen saermerkte organiske stoffer i lav. [On lichen acids, some distinctive organic substances in lichens.]. Blyttia 8(3): 91-98.
  • Dahl,E, 1951: On the composition of "Viscol" and the employment of gum arabic for mounting media. Stain Technol. 26: 97-101.
  • Krog,H, 1951: Microchemical studies on Parmelia. Nytt Mag. Naturvidensk. 88: 57-85.
  • Dahl,E, 1952: Analytical Keys to British Macrolichens. Cambridge, England.
  • Dahl,E, 1952: On the use of lichen chemistry in lichen systematics. Rev. Bryol. et Lichenol. 21(1-2): 119-134.
  • Dahl,E, 1953: Contribution to the discussion on lichens. Proc. 7. int. bot. congr. Sth. 1950 : 814.
  • Dahl,E, 1953: On the use of lichen chemistry in lichen systematics [abstract]. Proc. 7. int. bot. congr. Sth. 1950 : 810-811.
  • Dahl,E, 1953: Notes on some British macrolichens. Ann. & Mag. Nat. Hist., 12th ser. 6: 426-431.
  • Dahl,E, 1954: Siphula ceratites (Wbg.) E. Fries in Ytre Nordfjord. Blyttia 12: 170.
  • Dahl,E, 1954: The cryptogamic flora of the Arctic. VII. Lichens. Bot. Rev. 20(6-7): 463-476.
  • Krog,H, 1954: Determination of the antibiotic effect of lichen acids. Det K. Norske Vidensk. Selsk. Forhandl. 27(1): 1-3.
  • Dahl,E, 1956: Rondane mountain vegetation in south Norway and its relation to the environment. Skr. utgitt av Det Norske Vidensk.-Akad. i Oslo, I. Mat.-Naturv. Klasse 3: 1-374.
  • Dahl,E, 1956: Johan Havaas, 19. oktober 1864--26. april 1956. Blyttia 14: 71-77.
  • Krog,H, 1962: A contribution to the lichen flora of Alaska. Ark. for Bot., Ser. 2 4(16): 489-513.
  • Krog,H, 1963: Parmelia almquistii Vain. and its distribution. The Bryologist 66(1): 28-31.
  • Krog,H, 1966: Notes on the distribution of Parmelia saximontana Anderson & Weber. Blyttia 24: 244-246.
  • Krog,H, 1967: On the identity of Parmelia substygia Ras.. Blyttia 25: 33.
  • Dahl,E, 1968: Analytical Keys to British Macrolichens. British Lichen Society, Department of Botany, British Museum (Natural History), London.
  • Krog,H, 1968: The macrolichens of Alaska. Norsk Polarinst. Skrifter 144: 1-180.
  • Ryvarden,L, 1968: Umbilicaria aprina Nyl., a rare lichen. The Bryologist 71: 366-368.
  • Krog,H, 1969: Kjemiens rolle i lavsystematikken. The role of chemistry in lichen systematics. Blyttia 27: 65-79.
  • Krog,H, 1969: A list of lichens from Kodiak Island Refugium. In: T.N.V. Karlstrom & G.E. Ball (ed.), The Kodiak Island Refugium: Its Geology, Flora, Fauna and History. Boreal Institute, University of Alberta and the Ryerson Press. 262 pp. pp. 103.
  • Krog,H, 1969: Luftforurensningens innvirkning pa lavvegatasjonen. [The effect of air pollution on lichen vegetation.]. Naturen [Norway] 1969: 97-108.
  • Dahl,E/Krog,H, 1970: On the distribution of Cladonia luteoalba Wils. & Wheld.. Nytt Mag. Bot. 17: 143-144.
  • Krog,H, 1970: Dactylina madreporiformis in Alaska. The Bryologist 73: 628-630.
  • Krog,H, 1970: Forekomst av en unpigmentert Solorina crocea i Finnmark. The occurrence of a pigment deficient Solorina crocea in Finnmark. Blyttia 28: 181-182.
  • Krog,H, 1970: The Scandinavian members of the Parmelia borreri group. Nytt Mag. Bot. 17: 11-15.
  • Krog,H, 1970: Lav og Luftforurensninger. Veiledning ved Innsamling av Prover med Fargeillustrasjoner. Norsk Institutt for Luftforskning, Oslo.
  • Krog,H, 1971: En lavekskursjon til Rogaland. A lichen excursion to Rogaland, SW Norway. Blyttia 29: 161-168.
  • Østhagen,H, 1971: Bidrag til Rogalands lavflora. [Contribution to the lichen flora of Rogaland, SW Norway]. Blyttia 29: 251-255.
  • Østhagen,H, 1971: Cladonia deformis and C. gonecha in Norway and Svalbard. Norw. J. Bot. 18: 87-92.
  • Østhagen,H, 1972: The chemical strains in Cladonia luteoalba Wils. et Wheld. and their distribution. Norw. J. Bot. 19: 37-41.
  • Dahl,E/Krog,H, 1973: Macrolichens of Denmark, Finland, Norway and Sweden. Universitetsforlaget, Oslo-Bergen-Tromsø.
  • Høiland,K, 1973: Bidrag til lavfloraen i Vest-Agder. Blyttia 31: 211-216.
  • Krog,H, 1973: On Umbilicaria pertusa Rass. and some related lichen species. The Bryologist 76: 550-554.
  • Krog,H, 1973: Cetraria inermis (Nyl.) Krog, a new lichen species in the amphi-Beringian flora element. The Bryologist 76: 299-300.
  • Krog,H, 1974: Taxonomic studies in the Hypogymnia intestiniformis complex. Lichenologist 6: 135-140.
  • Krog,H, 1974: Parmelia ultralucens, a new lichen species in subgenus Amphigymnia. The Bryologist 77: 253-256.
  • Krog,H/Swinscow,TDV, 1974: Ramalina species with a hollow thallus (Fistularia) in East Africa. Norw. J. Bot. 21: 111-124.
  • Østhagen,H, 1974: The macrolichens Cladonia luteoalba and Tholurna dissimilis new to Central Europe. Norw. J. Bot. 21: 161-164.
  • Østhagen,H, 1974: The Parmelia borreri group (Lichenes) in Macaronesia. Cuad. Bot. Canar. 22: 11-14.
  • Krog,H/Brandt,N, 1975: Lav som indikatorplante ved studiet av luftforurensninger. [Lichens as indicator plants for the study of air pollution.]. Norsk Institut for Luftforskning, 2007 Kjeller.
  • Krog,H/Swinscow,TDV, 1975: Parmeliaceae, with the exclusion of Parmelia and Usnea, in East Africa. Norw. J. Bot. 22: 115-123.
  • Krog,H/Swinscow,TDV, 1975: Some Ramalina species with punctiform pseudocyphellae in East Africa. Norw. J. Bot. 22: 269-276.
  • Krog,H/Swinscow,TDV, 1975: Variation in vegetative propagules in the African lichen Parmelia lophogena. Bryologist 78: 67-70.
  • Tønsberg,T, 1975: Cladonia metacorallifera new to Europe. Norw. J. Bot. 22: 129-132.
  • Winnem,B, 1975: Parmelia subgenus Amphigymnia in Ethiopia. Norw. J. Bot. 22: 139-166.
  • Østhagen,H, 1975: Makrolavfloraen i Øvre Heimdalen, Jotunheimen. The macrolichens of Øvre Heimdalen, Jotunheimen, central South Norway. Blyttia 33: 83-87.
  • Østhagen,H, 1975: Om forekomsten av laven Cladonia rei (=C. nemoxyna) i Norge. On the occurrence of the lichen Cladonia rei (syn. C. nemoxyna) in Norway. Blyttia 33: 223-227.
  • Østhagen,H/HOVDA,JT/VIERECK,LA, 1975: Ramalina siliquosa-komplekset i Norge [The Ramalina siliquosa complex in Norway]. Blyttia 33: 27-33.
  • Krog,H, 1976: Lethariella and Protousnea, two new lichen genera in the Parmeliaceae. Norw. J. Bot. 23: 83-106.
  • Krog,H/Swinscow,TDV, 1976: Pyxine azorea Nyl. is Parmelia caroliniana Nyl. Bryologist 79: 506-507.
  • Krog,H/Swinscow,TDV, 1976: The genus Ramalina in East Africa. Norw. J. Bot. 23: 153-175.
  • Thögersen,PJ/Høiland,K, 1976: Chemical investigation of Usnea longissima in Norway. Norw. J. Bot. 23: 115-116.
  • Østhagen,H, 1976: Nomenclatural note on Cladonia nemoxyna. Bryologist 79: 242-246.
  • Østhagen,H, 1976: Nye utbredelsesdata for norske makrolav. [New records of macrolichens in Norway]. Blyttia 34: 189-203.
  • Østhagen,H/Krog,H, 1976: Contribution to the lichen flora of the Canary Islands. Norw. J. Bot. 23: 221-242.
  • Høiland,K, 1977: Noen merkelige laver, Torvnavlesopp og dens nære slektninger. Naturen 1977: 29-32.
  • Jølle,OH, 1977: Ramalina baltica ny for Norge. Blyttia 35: 111-112.
  • Jølle,OH, 1977: Ny lav for Norge og Sverige: Cladonia cyathomorpha. Blyttia 35: 163-166.
  • Krog,H/James,PW, 1977: The genus Ramalina in Fennoscandia and the British Isles. Norw. J. Bot. 24: 15-43.
  • Krog,H/Swinscow,TDV, 1977: The Parmelia borreri group in East Africa. Norw. J. Bot. 24: 167-177.
  • Østhagen,H/James,PW, 1977: Cladonia fragilissima, a new lichen species from NW Europe. Norw. J. Bot. 24: 123-125.
  • Jølle,OH, 1978: Parmelia plittii (Xanthoparmelia) new to Europe. Norw. J. Bot. 25: 47-49.
  • Krog,H, 1978: On Parmelia protomatrae (Xanthoparmelia), an overlooked lichen species in Europe. Norw. J. Bot. 25: 51-54.
  • Krog,H/Østhagen,H, 1978: Three new Ramalina species from Macaronesia. Norw. J. Bot. 25: 55-59.
  • Tønsberg,T/Høiland,K, 1978: Cladonia glauca, ny for Norge. Blyttia 36: 163-165.
  • Krog,H, 1979: On the identity of Bryoria vrangiana. Norw. J. Bot. 26: 179-181.
  • Krog,H/Swinscow,TDV, 1979: Parmelia subgenus Hypotrachyna in East Africa. Norw. J. Bot. 26: 11-43.
  • Østhagen,H/Krog,H, 1979: Alectoria imshaugii in the Canary Islands. Norw. J. Bot. 26: 283-284.
  • Krog,H, 1980: On Bryoria chalybeiformis and some related species. Lichenologist 12: 243-245.
  • Krog,H/Østhagen,H, 1980: Lav og luftforurensninger. Norsk Institut for Luftforskning, Lillestrom.
  • Krog,H/Østhagen,H, 1980: The genus Ramalina in the Canary Islands. Norw. J. Bot. 27: 255-296.
  • Krog,H/Østhagen,H, 1980: Two new Ramalina species from Porto Santo, the Madeira Islands. Norw. J. Bot. 27: 185-188.
  • Krog,H/Østhagen,H/Tønsberg,T, 1980: Lavflora. Norske busk- og bladlav. Universitetsforlaget, Oslo.
  • Tønsberg,T/Høiland,K, 1980: A study of the macrolichen flora on the sand-dune areas on Lista, SW Norway. Norw. J. Bot. 27: 131-134.
  • Østhagen,H/Sunding,P, 1980: Tornabea, nom. nov. for Tornabenia Trevisan (Lichenes), non Tornabenea Parlatore (Umbelliferae). Taxon 29: 687-689.
  • Krog,H/Swinscow,TDV, 1981: Parmelia subgenus Amphigymnia (lichens) in East Africa. Bulletin of the British Museum (Natural HIstory), Botany Series 9: 143-231.
  • Halvorsen,R/Bendiksen,E, 1982: The chemical variation of Pseudevernia furfuracea in Norway. Nordic Journal of Botany 2: 371-380.
  • Krog,H, 1982: Evolutionay trends in foliose and fruticose lichens of the Parmeliaceae. Journal of the Hattori Botanical Laboratory 52: 303-311.
  • Krog,H, 1982: Punctelia, a new lichen genus in the Parmeliaceae. Nordic Journal of Botany 2: 287-292.
  • Krog,H/Swinscow,TDV, 1982: A first report of parietin in the genus Parmelia s. lat. Lichenologist 14: 098.
  • Nordnes,JE, 1982: Cladonia polycarpoides ny for Norge. Cladonia polycarpoides new to Norway. Blyttia 40: 187-189.
  • Nordnes,JE, 1982: Parmeliopsis esorediata comb. nov. in South Norway. Nordic Journal of Botany 2: 381-382.
  • Timdal,E, 1982: Bidrag til Norges lavflora. [Contributions to the lichen flora of Norway]. Blyttia 40: 179-185.
  • Høiland,K, 1983: Laven korkje, Ochrolechia tartarea, som fargeprodusent. Blyttia 41: 17-21.
  • Krog,H, 1983: Ramalina fragilissima sp. nov. described from Oman. Lichenologist 15: 305-307.
  • Krog,H/Swinscow,TDV, 1983: A new species and new combinations in Parmotrema (Parmeliaceae). Lichenologist 15: 127-130.
  • Timdal,E, 1983: The genus Squamarina in Scandinavia. Lichenologist 15: 169-179.
  • Schei,AJS, 1984: Makrolavfloraen i Dovrefjell nasjonalpark. The Macrolichens of Dovrefjell National Park. Gunneria 50: 1-117.
  • Timdal,E, 1984: Acarospora intricata and A. wahlenbergii (Acarosporaceae) in Scandinavia. Nordic Journal of Botany 4: 541-543.
  • Timdal,E, 1984: The delimitation of Psora (Lecideaceae) and related genera, with notes on some species. Nordic Journal of Botany 4: 525-540.
  • Timdal,E, 1984: The genus Hypocenomyce (Lecanorales, Lecideaceae), with special emphasis on Norwegian and Swedish species. Nordic Journal of Botany 4: 83-108.
  • Krog,H/Swinscow,TDV, 1986: Parmotrema hicksii sp. nov. described from Tanzania. Lichenologist 18: 292-293.
  • Krog,H/Swinscow,TDV, 1986: Solorina simensis and S. saccata. Lichenologist 18: 057-62.
  • Krog,H/Swinscow,TDV, 1986: The lichen genera Lasallia and Umbilicaria in East Africa. Nordic Journal of Botany 6: 75-85.
  • Thor,G/Timdal,E, 1986: Aspicilia excavata: a new lichen species from Europe. Lichenologist 18: 179-182.
  • Timdal,E, 1986: A revision of Psora (Lecideaceae) in North America. Bryologist 89: 253-275.
  • Timdal,E, 1986: Rhizocarpon santessonii, a new parasitic lichen from Norway. Lichenologist 18: 317-320.
  • Gjerlaug,HC, 1987: Bidrag til kunnskapen om makrolavfloraen i Hedmark fylke, Sør-Norge. Blyttia 45: 69-73.
  • Holtan-Hartwig,J/Timdal,E, 1987: Notes on some parasitic Rhizocarpon species. Lichenologist 19: 335-338.
  • Høiland,K, 1987: The basidiolichens of Norway and Svalbard. Graphis Scripta 1(4): 081-90.
  • Krog,H, 1987: Altitudinal zonation of tropical lichens. In: Peveling, E (ed.), Progress and Problems in Lichenology in the Eighties. Bibliotheca Lichenologica No. 25. J. Cramer, Berlin-Stuttgart. pp. 379-384.
  • Krog,H, 1987: Lasallia pertusa (Rass.) Llano new to Europe. Lichenologist 19: 211-212.
  • Krog,H/Swinscow,TDV, 1987: New species and new combinations in some parmelioid lichen genera, with special emphasis on East African taxa. Lichenologist 19: 419-431.
  • Middelborg,J/Mattsson,J, 1987: Crustaceous lichenized species of the Caliciales in Norway. Sommerfeltia 5: 1-70.
  • Timdal,E, 1987: A chemical difference between Lecanora macrocyclos and L. muralis. Graphis Scripta 1(4): 077-78.
  • Timdal,E, 1987: Lichens from northern Norway. Graphis Scripta 1: 058-64.
  • Timdal,E, 1987: Problems of generic delimitation among squamiform members of the Lecideaceae. In: Peveling, E (ed.), Progress and Problems in Lichenology in the Eighties. Bibliotheca Lichenologica No. 25. J. Cramer, Berlin-Stuttgart. pp. 243-247.
  • Holtan-Hartwig,J, 1988: Two new species of Peltigera. Lichenologist 20(1): 011-17.
  • Krog,H, 1988: Leptogium coralloideum new to Europe. Graphis Scripta 2(2): 040.
  • Middelborg,J, 1988: Notes on the chemistry of some Lecidea species from Norway. Graphis Scripta 2(1): 001-5.
  • Timdal,E, 1988: A crustose species of Pilophorus: P. pallidus (Th. Fr.) Timdal. Lichenologist 20(1): 093-96.
  • Timdal,E, 1988: Glyphopeltis eburina and Xanthopsorella llimonae are Glyphopeltis ligustica, comb. nov.. Mycotaxon 31(1): 101-102.
  • Timdal,E/Holtan-Hartwig,J, 1988: A preliminary key to Rhizocarpon in Scandinavia. Graphis Scripta 2(2): 041-54.
  • Gjerlaug,HC, 1989: Cladonia imbricarica, new to continental Europe. Lichenologist 21(2): 178-179.
  • Timdal,E, 1989: The production of rhodocladonic acid in Cladonia bacilliformis and C. norvegica triggered by the presence of a lichenicolous mite. Graphis Scripta 2(4): 125-127.
  • Haugan,R, 1990: Rhizocarpon dinothetes new to Scandinavia. Graphis Scripta 3(1): 025.
  • Hestmark,G, 1990: Thalloconidia in the genus Umbilicaria. Nordic Journal of Botany 9(5): 547-574.
  • Krog,H, 1990: New Ramalina species from Porto Santo, Madeira. Lichenologist 22(3): 241-247.
  • Krog,H, 1990: Parmotrema hensseniae sp. nov. In: Jahns, HM (ed.), Contributions to Lichenology in Honour of A. Henssen. Bibliotheca Lichenologica. No. 38. J. Cramer, Berlin-Stuttgart. pp. 307-310.
  • Timdal,E, 1990: Gypsoplacaceae and Gypsoplaca, a new family and genus of squamiform lichens. In: Jahns, HM (ed.), Contributions to Lichenology in Honour of A. Henssen. Bibliotheca Lichenologica. No. 38. J. Cramer, Berlin-Stuttgart. pp. 419-427.
  • Hestmark,G, 1991: Teleomorph-Anamorph relationships in Umbilicaria I. Making the connections. Lichenologist 23(4): 343-359.
  • Hestmark,G, 1991: Teleomorph-anamorph relationships in Umbilicaria II. Patterns in propagative morph production. Lichenologist 23(4): 361-380.
  • Hestmark,G, 1991: To sex, or not to sex... Structures and strategies of reproduction in the family Umbilicariaceae (Lecanorales, Ascomycetes). Sommerfeltia, Supplement 3: 1-47.
  • Holtan-Hartwig,J, 1991: A revision of the lichens Bryonora castanea and B. curvescens. Mycotaxon 40: 295-305.
  • Krog,H, 1991: Lichenological observations in low montane rainforests of eastern Tanzania. In: Galloway,DJ (ed.), Tropical Lichens: Their Systematics, Conservation, and Ecology. The Systematics Association Special Volume, Clarendon Press, Oxford. pp. 85-94.
  • Timdal,E, 1991: Anamylopsora, a new genus in the Lecideaceae. Mycotaxon 42: 249-254.
  • Haugan,R, 1992: Anzia centrifuga, a new lichen species from Porto Santo, Madeira. Mycotaxon 44(1): 45-50.
  • Haugan,R., 1992: Bristskjold (Umbilicaria leiocarpa) ny for Nord-Norge. Polarflokken 16(2): 275-278.
  • Haugan,R/Timdal,E, 1992: Squamarina scopulorum (Lecanoraceae), a new lichen species from Norway. Nordic Journal of Botany 12(3): 357-360.
  • Hestmark,G, 1992: Notes on the lichen genus Umbilicaria in Corsica. Cryptogamie, Bryologie-Lichénologie\Cryptogamie, Bryol.-Lichénol. 13(4): 341-7.
  • Hestmark,G, 1992: Sex, size, competition and escape - strategies of reproduction and dispersal in Lasallia pustulata (Umbilicariaceae, Ascomycetes). Oecologia 92: 305-312.
  • Hestmark,G, 1992: Conidiogenesis in five species of Umbilicaria. Mycological Research 96(12): 1033-1043.
  • Thor,G/Timdal,E, 1992: Aspicilia moenium (Vain.) Thor & Timdal, the correct name for Aspicilia excavata Thor & Timdal. Graphis Scripta 4(2): 066.
  • Timdal,E, 1992: A monograph of the genus Toninia (Lecideaceae, Ascomycetes). Opera Botanica 110: 1-137.
  • Timdal,E, 1992: Proposal to conserve Toninia against Thalloidima and Skolekites (lichen-forming fungi). Taxon 41(2): 334-337.
  • Timdal,E, 1992: The distribution of Mycobilimbia fissuriseda. Graphis Scripta 3(4): 115-117.
  • Hestmark,G, 1993: Umbilicaria dendrophora. Mycotaxon 46: 211-215.
  • Holtan-Hartwig,J, 1993: The lichen genus Peltigera, exclusive of the P. canina group, in Norway. Sommerfeltia 15: 1-77.
  • Krog,H, 1993: Parmelina enormis (Hale) Hale is Bulbothrix enormis (Hale) Krog comb. nov. Lichenologist 25(3): 299-300.
  • Haugan,R, 1994: Lecanora lecanoricola and Phaeocalicium praecedens new to Norway. Graphis Scripta 6(1): 45-46.
  • Haugan,R/Bratli,H/Gaarder,G, 1994: Mjuktjafs (Evernia divaricata) og andre sjeldne og truede lav- og sopparter i Liaskogen og Skamåni i Aurdal, Oppland. Blyttia 52: 107-117.
  • Haugan,R/Timdal,E, 1994: Tephromela perlata and T. talayana, with notes on the T. aglaea-complex. Graphis Scripta 6(1): 17-26.
  • Krog,H, 1994: Typification and interpretation of Ramalina arabum. Acta Botanica Fennica 150: 99-104.
  • Krog,H, 1994: Eilif Dahl in memoriam. Graphis Scripta 6(2): 93-94.
  • Krog,H/Østhagen,H/Tønsberg,T, 1994: Lavflora. Norske busk- og bladlav. 2. edition. Universitetsforlaget, Oslo.
  • Timdal,E, 1994: Boreoplaca ultrafrigida, a new lichen genus and species from continental Siberia. Mycotaxon 51: 503-508.
  • Timdal,E, 1994: The ascus of Glyphopeltis ligustica. Cryptogamie, Bryologie-Lichénologie 15(2): 171-172.
  • Thor,G/Timdal,E, 1995: Additional lichen records from Australia. 25. A further species of Hypocenomyce in Australia. Australasian Lichenological Newsletter 37: 30-31.
  • Timdal,E/Zhurbenko,MP, 1995: The distribution of Toninia sculpturata in Eurasia. Graphis Scripta 7(1): 13-16.