[
Ahlner, S. 1948. Utbredningstyper bland nordiska barrträdslavar. - Acta phytogeogr. suec. 22: 1-257.
]Search in Google Scholar
[
Ahti, T. 1965. Notes on the distribution of Lecanora conizaeoides. - Lichenologist 3: 91-92.10.1017/S0024282965000117
]Search in Google Scholar
[
Almborn, O. 1948. Distribution and ecology of some south Scandinavian lichens. - Bot. Not. Suppl. 1: 2: 1-254.
]Search in Google Scholar
[
Almborn, O. 1952. A key to the sterile corticolous crustaceous lichens occurring in South Sweden. - Bot. Not. 1952: 239-263.
]Search in Google Scholar
[
Almborn, O. 1955. Lavvegetation och lavflora på Hallands Väderö. - K. svenska Vet.-Akad. Skr. Naturskyddsärenden 11: 1-92.
]Search in Google Scholar
[
Alstrup, V. & Alstrup, K. 1989. Epiphytic lichens. - Annls Soc. scient. færoensis Suppl. 14: 157-164.
]Search in Google Scholar
[
Almborn, O. & Søhting, U. 1986. Lichens from east Finnmark. - Graphis Scripta 1: 11-13.
]Search in Google Scholar
[
Almborn, O. & Søchting, U. 1989. Checkliste og status over Danmarks laver. - Nordisk Lichenologisk Forening, Copenhagen.
]Search in Google Scholar
[
Arup, U. & Ekman, S. 1991a. Lavfloran pa Hallands Väderö. - Svensk bot. Tidskr. 85: 263-308.
]Search in Google Scholar
[
Arup, U. & Ekman, S. 1991b. Caloplaca ulcerosa new to Sweden. - Graphis Scripta 3: 46-48.
]Search in Google Scholar
[
Arvidsson, L., Lindström, M., Muhr, L.-E., Stahl, B. & Wall, S. 1988. Lavfloran i Näverkärrsskogen i Bohuslän. - Svensk bot. Tidskr. 82: 167-192.
]Search in Google Scholar
[
Barkman, J.J. 1958. Phytosociology and ecology of cryptogamic epiphytes. - van Gorcum, Assen.
]Search in Google Scholar
[
Bates, J.W. & Brown, D.H. 1981. Epiphyte differentiation between Quercus petraea and Fraxinus excelsior in a maritime area of South West England. - Vegetatio 48: 61-70.10.1007/BF00117362
]Search in Google Scholar
[
Botnen, A. & Øvstedal, D. O. 1989. Muscicolous Lepraria species and other leprarioid lichens in the Antarctic. - Polar Res. 6: 129-133.10.3402/polar.v6i1.6853
]Search in Google Scholar
[
Botnen, A. & Øvstedal, D. O. & Tønsberg, T. 1988. Additions to the lichen flora of central Norway. - Gunneria 58: 1-43.
]Search in Google Scholar
[
Bowler, P.A. & Rundel, P.W. 1975. Reproductive strategies in lichens. - Bot. J. linn. Soc. 70: 325-340.10.1111/j.1095-8339.1975.tb01653.x
]Search in Google Scholar
[
Brodo, I. M. 1974 (“1973”). Substrate ecology. - In: Ahmadjian, V. & Hale, M.E. (eds), The lichens. Academic Press, New York, pp. 401-441.
]Search in Google Scholar
[
Brodo, I. M. 1978. Changing concepts regarding chemical diversity in lichens. - Lichenologist 10: 1-11.10.1017/S0024282978000031
]Search in Google Scholar
[
Brodo, I. M. 1984a. The North American species of the Lecanora subfusca group. - Nova Hedwigia Beih. 79: 63-185.
]Search in Google Scholar
[
Brodo, I. M. 1984b. Lichenes Canadenses exsiccati: Fascicle III. - Bryologist 87: 97-111.10.2307/3243115
]Search in Google Scholar
[
Brodo, I. M. 1986. Interpreting chemical variation in lichens for systematic purposes. - Bryologist 89: 132-138.10.2307/3242753
]Search in Google Scholar
[
Brodo, I. M. 1991. Studies in the lichen genus Ochrolechia. 2. Corticolous species of North America. - Can. J. Bot. 69: 733-772.10.1139/b91-099
]Search in Google Scholar
[
Brodo, I. M. & Culberson, W. L. 1986. Haematomma pustulatum, sp. nov. (Ascomycotina, Haematommataceae): a common, widespread, sterile lichen of eastern North America. - Bryologist 89: 203-205.
]Search in Google Scholar
[
Christensen, S. N. & Alstrup, V. 1990. Chemical and morphological variation in Baeomyces rufus, including B. speciosus, (Baeomycetaceae, Lecanorales, Ascomycotina) with special reference to Denmark. - Nova Hedwigia 51: 469-474.
]Search in Google Scholar
[
Christiansen, M. S., Ramkær, K., Rose, F. & Søhting, U. 1979. Additions to the Danish lichen flora. - Bot. Tidsskr. 74: 89-115.
]Search in Google Scholar
[
Clauzade, G. & Roux, C. 1985. Likenoj de Okcidenta Europo Ilustrita Determinlibro. - Bull. Soc. bot. Centre-Ouest, nouv. Ser. Num. Spee. 7: 1-893.
]Search in Google Scholar
[
Clerc, P. 1987. Systematics of the Usnea fragilescens aggregate and its distribution in Scandinavia. - Nord. J. Bot. 7: 479-495.10.1111/j.1756-1051.1987.tb00969.x
]Search in Google Scholar
[
Codogno, M., Poelt, J. & Puntillo, D. 1989. Umbilicaria freyi spec. nova und der Formenkreis von Umbilicaria hirsuta in Europe (Lichenes, Umbilicariaceae). - Pl. Syst. Evol. 165: 55-69.
]Search in Google Scholar
[
Coppins, B. J. 1976. Distribution patterns shown by epiphytic lichens in the British Isles. - In: Brown, D.H., Hawksworth, D.L. & Bailey, R.H. (eds), Lichenology: Progress and problems. Academic Press, London, pp. 249-278.
]Search in Google Scholar
[
Coppins, B. J. 1983a. A taxonomic study of the lichen genus Micarea in Europe. - Bull. br. Mus. nat. Hist. (Bot.) 11: 17-214.
]Search in Google Scholar
[
Coppins, B. J. 1983b. A new corticolous sorediate Rinodina from Swedish Lapland. - Lichenologist 15: 147-150.10.1017/S0024282983000225
]Search in Google Scholar
[
Coppins, B. J. 1984a. Epiphytes of birch. - Proc. r. Soc. Edinburgh 85B: 115-128.10.1017/S0269727000003936
]Search in Google Scholar
[
Coppins, B. J. 1984b. Review of Sipman: A monograph of the lichen family Megalosporaceae (Biblthca Lichenol. 18). - Lichenologist 16: 208-209.10.1017/S0024282984000384
]Search in Google Scholar
[
Coppins, B. J. 1989a. Rinodina griseosoralifera, a new corticolous sorediate lichen from western Europe. - Lichenologist 21: 169-186.
]Search in Google Scholar
[
Coppins, B. J. 1989b. On some species of Catillaria s. lat. and Halecania in the British Isles. - Lichenologist 21: 217-227.10.1017/S0024282989000447
]Search in Google Scholar
[
Coppins, B. J. & Bennell, A. P. 1979. Thallus surface features in Agonimia tristicula. - Lichenologist 11: 107-108.10.1017/S0024282979000153
]Search in Google Scholar
[
Coppins, B. J. & James, P.W. 1978. New or interesting British lichens II. - Lichenologist 10: 179-207.10.1017/S0024282978000298
]Search in Google Scholar
[
Coppins, B. J. & James, P.W. 1979a. New or interesting British lichens III. - Lichenologist 11: 27-45.10.1017/S0024282979000049
]Search in Google Scholar
[
Coppins, B. J. & James, P.W. 1979b. New or interesting British lichens IV. - Lichenologist 11: 139-179.10.1017/S0024282979000190
]Search in Google Scholar
[
Coppins, B. J. & James, P.W. 1984. New or interesting British lichens V. - Lichenologist 16: 241-264.10.1017/S0024282984000451
]Search in Google Scholar
[
Coppins, B. J. & James, P.W. 1989. The identity of “Lecidea cinnabarina” in the British Isles. - Lichenologist 21: 237-242.10.1017/S0024282989000460
]Search in Google Scholar
[
Coppins, B. J. & Purvis, O.W. 1987. A review of Psilolechia. - Lichenologist 19: 29-42.10.1017/S0024282987000045
]Search in Google Scholar
[
Culberson, C.F. 1969. Chemical and botanical guide to lichen products. - Univ. North Carolina Press, Chapel Hill.10.2307/3241261
]Search in Google Scholar
[
Culberson, C.F. 1970. Supplement to ‘Chemical and botanical guide to lichen products’. - Bryologist 73: 177-377.10.2307/3241261
]Search in Google Scholar
[
Culberson, C.F. 1972. Improved conditions and new data for the identification of lichen products by a standardized thin-layer chromatographic method. - J. Chromatogr. 72: 113-125.10.1016/0021-9673(72)80013-X
]Search in Google Scholar
[
Culberson, C.F. & Culberson, W.L. 1976. Chemosyndromic variation in lichens. - Syst. Bot. 1: 325-339.10.2307/2418700
]Search in Google Scholar
[
Culberson, C.F., Culberson, W.L.,. Gowan, S. & Johnson, A. 1987. New depsides from lichens: microchemical methodologies applied to the study of new natural products discovered in herbarium specimens. - Amer. J. Bot. 74: 403-414.10.1002/j.1537-2197.1987.tb08622.x
]Search in Google Scholar
[
Culberson, C.F., Culberson, W.L. & Johnson, A. 1977. Second supplement to ‘Chemical and botanical guide to lichen products’. - Amer. Bryological and Lichenological Society, St. Louis.10.2307/2418579
]Search in Google Scholar
[
Culberson, C.F., Culberson, W.L. & Johnson, A. 1981. A standardized TLC analysis of β-orcinol depsidones. - Bryologist 84: 16-29.10.2307/3242974
]Search in Google Scholar
[
Culberson, C.F., Culberson, W.L. & Johnson, A. 1986. Two new lichen products, elatinic acid and methyl barbatate, from the genus Haematomma (Ascomycotina, Haematommataceae). - Mycologia 78: 888-891.10.1080/00275514.1986.12025345
]Search in Google Scholar
[
Culberson, C.F., Hale, M.E. Jr., Tønsberg, T. & Johnson, A. 1984. New depsides from the lichens Dimelaena oreina and Fuscidea viridis. - Mycologia 76: 148-160.10.1080/00275514.1984.12023819
]Search in Google Scholar
[
Culberson, C.F. & Johnson, A. 1976. A standardized two-dimensional thin-layer chromatographic method for lichen products. - J. Chromatogr. 128: 253-259.10.1016/S0021-9673(00)99256-2
]Search in Google Scholar
[
Culberson, C.F. & Johnson, A. 1982. Substitution of methyl tert. -butyl ether for diethyl ether in the standardized thin-layer chromatographic method for lichen products. - J. Chromatogr. 238: 483-487.10.1016/S0021-9673(00)81336-9
]Search in Google Scholar
[
Culberson, C.F. & Kristinsson, H. 1970. A standardized method for the identification of lichen products. - J. Chromatogr. 46: 85-93.10.1016/S0021-9673(00)83967-9
]Search in Google Scholar
[
Culberson, W.L. 1969. Norstictic acid as a hymenial constituent of Letharia. - Mycologia 61: 731-736.10.1080/00275514.1969.12018792
]Search in Google Scholar
[
Culberson, W.L. 1986. Chemistry and sibling speciation in the lichen-forming fungi: ecological and biological considerations. - Bryologist 89: 123-131.10.2307/3242752
]Search in Google Scholar
[
Deacon, J.W. 1988. Introduction to modem mycology, ed. 2. - Blackwell, Oxford.
]Search in Google Scholar
[
Dahl, E. 1950. Forelesninger over norsk plantegeografi. - Universitetsforlaget, Oslo.
]Search in Google Scholar
[
Degelius, G. 1935. Das ozeanische Element der Strauch- und Laubflechten-flora von Skandinavien. - Acta phytogeogr. suec. 7: 1-411.
]Search in Google Scholar
[
Degelius, G. 1944. Nya bidrag till kännedomen om lavfloraen pa bark, lignum och urbergsblock pa Gotland. - Svensk bot. Tidskr. 38: 27-63.
]Search in Google Scholar
[
Degelius, G. 1948. Lichenologiska anteckningar från en resa i södra Norge. - Bot. Not. 1948: 137-156.
]Search in Google Scholar
[
Degelius, G. 1982. The lichen flora of the island of Vega in Nordland, northern Norway. - Acta reg. scient. lit. gothoburgensis bot. 2: 1-127.
]Search in Google Scholar
[
Degelius, G. 1986. The lichen flora of the island of Anholt, Denmark. - Acta reg. scient. lit. gothoburgensis bot 3: 1-60.
]Search in Google Scholar
[
Dibben, M.J. 1980. The chemosystematics of the lichen genus Pertusaria in North America north of Mexico. - Milwaukee public Mus. Pubis Biol. Geol. 5: 1-162.
]Search in Google Scholar
[
Dickinson, C.H. & Thorp, T.K. 1968. Epiphytic lichens on Corylus avellana in The Burren, County Clare. - Lichenologist 4: 66-72.
]Search in Google Scholar
[
Diederich, P. 1986. Lichenicolous fungi from the Grand Duchy of Luxembourg and surrounding area. - Lejeunia N.S. 119: 1-26.
]Search in Google Scholar
[
Diederich, P. 1989. Les lichens epiphytiques et leurs champignons lichenicoles (macrolichens exceptes) du Luxembourg. - Trav. scient. Mus. Nat. D’Hist. nat. Lux. 14: 1-268.
]Search in Google Scholar
[
Duncan, U.K. 1970. Introduction to British Lichens. - Bunde, Arbroath.
]Search in Google Scholar
[
Du Rietz, G.E. 1945. Om fattigbark- och rikbarksamhällen. - Svensk bot Tidskr. 39: 147-150.
]Search in Google Scholar
[
Egan, R.S. 1986. Correlations and non-correlations of chemical variation patterns with lichen morphology and geography. - Bryologist 89: 99-110.10.2307/3242750
]Search in Google Scholar
[
Egan, R.S. 1987. A fifth checklist of the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada. - Bryologist 90: 77-173.
]Search in Google Scholar
[
Egan, R.S. 1989. Changes to the “Fifth checklist of the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada.” Edition I. - Bryologist 92: 68-72.
]Search in Google Scholar
[
Egan, R.S. 1990. Changes to the “Fifth checklist of the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada.” Edition II. - Bryologist 93: 211-219.
]Search in Google Scholar
[
Egan, R.S. 1991. Changes to the “Fifth checklist of the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada.” Edition m. - Bryologist 94: 396-400.
]Search in Google Scholar
[
Eigler, G. 1969. Studien zur Gliederung der Flechtengattung Lecanora. - Diss. bot. 4: 1-195.
]Search in Google Scholar
[
Elix, J.A. 1982. Peculiarities of the Australasian lichen flora; accessory metabolites, chemical and hybrid strains. - J. Hattori bot. Lab. 52: 407.
]Search in Google Scholar
[
Elix, J.A. & Jayanthi, V.K. 1977. 5-O-Methylhiascic acid, a new tridepside from Australian lichens. - Aust. J. Chem. 30: 2695-2704.
]Search in Google Scholar
[
Elix, J.A., Jones, A.J., Lajide, L., Coppins, B.J. & James, P.W. 1984. Two new diphenyl ethers and a new depside from the lichen Micarea prasina. - Aust J. Chem. 37: 2349-2364.10.1071/CH9842349
]Search in Google Scholar
[
Elix, J.A., Whitton, A.A. & Sargent, M. V. 1984. Recent progress in the chemistry of lichen substances. - Recent Progr. Chem. org. nat. Prod. 45: 1-234.10.1007/978-3-7091-8717-3_2
]Search in Google Scholar
[
Elvebakk, A. & Tønsberg, T. 1992. Additions to the lichen flora of Svalbard. - Graphis Scripta 3: 140-147.
]Search in Google Scholar
[
Erichsen, C.F.E. 1936. Pertusariaceae. - Rabenhorsts Kryptogamen-flora 9: 5: 1: 1-728.
]Search in Google Scholar
[
Erichsen, C.F.E. 1940. Neue Pertusarien nebst Mitteilungen Uber die geographische Verbreitung der europäischen Arten. - Annis mycol. 38: 16-55.
]Search in Google Scholar
[
Eriksson, O.E. & Hawksworth, D.L. 1985. Outline of the Ascomycetes - 1985. - Syst. Ascomycetum 4: 1-79.
]Search in Google Scholar
[
Eriksson, O.E. & Hawksworth, D.L. & Hawksworth, D.L. 1991a. Notes on ascomycete systematics - Nos 969-1127. - Syst. Ascomycetum 9: 1-38.
]Search in Google Scholar
[
Eriksson, O.E. & Hawksworth, D.L. 1991b. Outline of the ascomycetes - 1990. - Syst. Ascomycetum 9: 39-271.
]Search in Google Scholar
[
Esslinger, T.L. 1977. A chemosystematic revision of the brown Parmeliae. - J. Hattori bot. Lab. 42: 1-211.
]Search in Google Scholar
[
Fægri, K. 1960. The coast plants. - Maps of distribution of Norwegian plants I. - Univ. Bergen Skr. 26: 1-134.
]Search in Google Scholar
[
Foucard, T. 1990. Svensk skorplavsflora. - Interpublishing, Stockholm.
]Search in Google Scholar
[
Fries, Th. M. 1871. Lichenographia scandinavica 1. - Uppsala.
]Search in Google Scholar
[
Fries, Th. M. 1874. Lichenographia scandinavica 2. - Uppsala.
]Search in Google Scholar
[
Gauslaa, Y. 1985. The ecology of Lobarion pulmonariae and Parmelion caperatae in Quercus dominated forests in south-west Norway. - Lichenologist 17: 117-140.10.1017/S0024282985000184
]Search in Google Scholar
[
Gjærevoll, O. 1990. Alpine plants. Maps of distribution of Norwegian vascular plants 2. - Tapir, Trondheim.
]Search in Google Scholar
[
Gowan, S.P. 1989a. A character analysis of the secondary products of the Porpidiaceae (lichenized Ascomycotina). - Syst Bot. 14: 77-90.10.2307/2419052
]Search in Google Scholar
[
Gowan, S.P. 1989b. The lichen genus Porpidia (Porpidiaceae) in North America. - Bryologist 92: 25-59.10.2307/3244016
]Search in Google Scholar
[
Gowan, S.P. 1990. Cliostomum (lichen-forming Ascomycotina) in North America and Europe. - Mycologia 82: 766-771.10.1080/00275514.1990.12025958
]Search in Google Scholar
[
Hafellner, J. 1984. Studien in Richtung einer natürlicheren Gliederung der Sammelfamilien Lecanoraceae und Lecideaceae. - Nowa Hedwigia Beih. 79: 241-371.
]Search in Google Scholar
[
Hakulinen, R. 1954. Die Flechtengattung Candelariella Müller Argoviensis mit besonderer berücksichtigung ihres Auftreten und ihrer Verbreitung in Fennoskandien. - Annls bot. Soc. zool. bot. fenn. Vanamo 27: 3: 1-127.
]Search in Google Scholar
[
Hale, M.E. 1974 (“1973”). Growth. - In: Ahmadjian, V. & Hale, M.E. (eds), The lichens, Academic Press, New York, pp. 473-492.
]Search in Google Scholar
[
Hale, M.E. 1983. The biology of lichens, ed. 3. - Arnold, London.
]Search in Google Scholar
[
Halonen, P., Hyvärinen, M. & Kauppi, M. 1991. The epiphytic lichen flora on conifers in relation to climate in the Finnish middle boreal subzone. - Lichenologist 23: 61-72.10.1017/S0024282991000117
]Search in Google Scholar
[
Hanko, B. 1983. Die Chemotypen der Flechtengattung Pertusaria in Europa. - Biblthca lichenol. 19: 1-297.
]Search in Google Scholar
[
Hanko, B., Leuckert, C. & Ahti, T. 1985. Beiträge zur Chemotaxonomie der Gattung Ochrolechia (Lichenes) in Europa. - Nova Hedwigia 45: 165-199.
]Search in Google Scholar
[
Haris, R.C. & Buck, W.L. 1978. Lichens of the Mackinac Straits Region. II. Candelariella Müll. Arg. - Mich. Bot. 17: 155-161.
]Search in Google Scholar
[
Haugsja, P.K. 1930. Über den Einfluss der Stadt Oslo auf die Flechtenvegetation der Bäume. - Nyt Mag. Naturvid. 68: 1-116.
]Search in Google Scholar
[
Havas, J. 1936. Om lichenvegetasjonen pa Stadtlandet. - Bergen Mus. Årbok Naturvit. Rekke 1935: 2: 1-43.
]Search in Google Scholar
[
Hawksworth, D.L. 1972. The natural history of Slapton Ley Nature Reserve IV. Lichens. - Field Stud. 3: 535-578.
]Search in Google Scholar
[
Hawksworth, D.L. 1973a. Ecological factors and species delimitation in the lichens. - In: Heywood, V.H. (ed.), Taxonomy and Ecology, Academic Press, London, pp. 31-69.
]Search in Google Scholar
[
Hawksworth, D.L. 1973b. Mapping studies. - In: Ferry, B.W., Badeley, M.S. & Hawksworth, D.L. (eds), Air pollution and lichens, Athlone Press, Bristol, pp. 38-76.
]Search in Google Scholar
[
Hawksworth, D.L. 1976. Lichen chemotaxonomy. - In: Brown, D.H., Hawksworth, D.L. & Bailey, R.H. (eds), Lichenology: progress and problems, Academic Press, London, pp. 139-184.
]Search in Google Scholar
[
Hawksworth, D.L. 1983. A key to the lichen-forming, parasitic, parasymbiotic and saprophytic fungi occuring on lichens in the British Isles. - Lichenologist 15: 1-44.
]Search in Google Scholar
[
Hawksworth, D.L. & Hill, D.J. 1984. The lichen-forming fungi. - Blackie, Glasgow.10.1007/978-1-4613-2639-7
]Search in Google Scholar
[
Hawksworth, D.L., James, P.W. & Coppins, B.J. 1980. Checklist of British lichen-forming, lichenicolous and allied fungi. - Lichenologist 12: 1-115.
]Search in Google Scholar
[
Hawksworth, D.L., Rose, F. & Coppins, B.J. 1973. Changes in the lichen flora of England and Wales attributable to pollution of the air by sulphur dioxide. - In: Ferry, B.W., Baddeley, M.S. & Hawksworth, D.L., (eds.), Air Pollution and Lichens, Athlone Press, Bristol, pp. 330-367.
]Search in Google Scholar
[
Hecklau, C., Leuckert, C. & Mayrhofer, H. 1981. Beiträge zur Chemie der Flechtengattung Rinodina (Ach.) Gray. - Herzogia 5: 489-498.10.1127/herzogia/5/1981/489
]Search in Google Scholar
[
Henssen, A. 1963. Eine Revision der Flechtenfamilien Lichinaceae und Ephebaceae. - Symb. bot. ups. 18: 1: 1-123.
]Search in Google Scholar
[
Henssen, A. & Jahns, H.M. 1973 (“1974”). Lichenes. Eine Einführung in die Flechtenkunde. - Thieme, Stuttgart.
]Search in Google Scholar
[
Hertel, H. & Rambold, G. 1990. Zur Kenntnis der Familie Rimulariaceae (Lecanorales). - Biblthca lichenol. 38: 145-189.
]Search in Google Scholar
[
Høg. O.A. 1923. The corticolous Norwegian Pertusariaceae and Thelotremaceae. - Nyt Mag. Naturvid. 61: 139-178.
]Search in Google Scholar
[
Hoffmann, G.F. 1784. Enum. Lich. - Erlangae.
]Search in Google Scholar
[
Holien, H. 1989. The genus Bryoria sect. Implexae in Norway. - Lichenologist 21: 243-258.10.1017/S0024282989000472
]Search in Google Scholar
[
Holien, H., Sveum, B.K.P., Tønsberg, T. & Vold, L.B. 1980. The chemical constituents of Pertusaria amara. - Norw. J. Bot. 27: 175-177.
]Search in Google Scholar
[
Holmgren, P.K., Holmgren, N.H. & Barnett, L.C. 1990. Index herbariorum. Part I: The herbaria of the world. ed. 8. - Regnum Veg. 120: 1-693.
]Search in Google Scholar
[
Honegger, R. 1978. The ascus apex in lichenized fungi I. The Lecanora-, Peltigera- and Teloschistes-types. - Lichenologist 10: 47-67.
]Search in Google Scholar
[
Howard, G.E. 1970. The lichen genus Ochrolechia in North America north of Mexico. - Bryologist 73: 93-130.10.2307/3241590
]Search in Google Scholar
[
Hultén, E. 1971. Atlas över växtemas utbredning i Norden. - Generalstabens litografiska anstalts förlag, Stockholm.
]Search in Google Scholar
[
Huneck, S. & Tønsberg, T. 1982. The occurrence of argopsin in Lecidea efflorescens. - Phanazie 37: 522-523.
]Search in Google Scholar
[
Huneck, S. & Tønsberg, T. & Bohlmann, F. 1986. (-)-Allo-pertusaric acid and (-)-dihydropertusaric acid from the lichen Pertusaria albescens. - Phytochemistry 25: 453-459.10.1016/S0031-9422(00)85500-4
]Search in Google Scholar
[
Huovinen, K. & Ahti, T. 1982. Biosequential patterns for the formation of depsides, depsidones and dibenzofurans in the genus Cladonia (lichen-forming ascomycetes). - Annis. bot. fenn. 19: 225-234.
]Search in Google Scholar
[
Huovinen, K. & Ahti, T. 1986a. The composition and contents of aromatic lichen substances in the genus Cladina. - Annis bot. fenn. 23: 93-106.
]Search in Google Scholar
[
Huovinen, K. & Ahti, T. 1986b. The composition and contents of aromatic lichen substances in Cladonia section Uncialis - Annis bot. fenn. 23: 173-188.
]Search in Google Scholar
[
Imshaug, H.A. & Brodo, I.M. 1966. Biosystematic studies on Lecanora pallida and some related lichens in the Americas. - Nova Hedwigia 12: 1-59.
]Search in Google Scholar
[
Inoue, M. 1983a. Japanese species of Huilia (Lichenes). - J. jap. Bot. 58: 113-128.
]Search in Google Scholar
[
Inoue, M. 1983b. Japanese species of Huilia (Lichenes). - J. jap. Bot. 58: 161-173.
]Search in Google Scholar
[
Inoue, M. 1983c. Japanese species of Huilia (Lichenes). - J. jap. Bot. 58: 225-236.
]Search in Google Scholar
[
Jahns, H.M. 1974. Anatomy, morphology and development. - In: Ahmadjian, V. & Hale, M.E. (eds), The Lichens, Academic Press, New York, pp. 3-5810.1016/B978-0-12-044950-7.50006-4
]Search in Google Scholar
[
Jahns, H.M. 1982. The cyclic development of mosses and the lichen Baeomyces rufus in an ecosystem. - Lichenologist 14: 261-265.10.1017/S0024282982000462
]Search in Google Scholar
[
Jahns, H.M. 1988. The lichen thallus. In: Galun, M., Handbook of Lichenology, vol. I. CRC Press, Boca Raton, pp. 95-143.
]Search in Google Scholar
[
James, P.W. 1962. Angiocarpous lichens in the British Isles: 2. - Lichenologist 2: 86-94.10.1017/S0024282962000080
]Search in Google Scholar
[
James, P.W. 1970. The lichen flora of shaded acid rock crevices and overhangs in Britain. - Lichenologist 4: 309-322.10.1017/S0024282970000403
]Search in Google Scholar
[
James, P.W. 1971. New or interesting British lichens: 1. - Lichenologist 5: 114-148.10.1017/S0024282971000136
]Search in Google Scholar
[
James, P.W. 1975. The genus Gyalideopsis Vězda in Britain. - Lichenologist 7: 155-161.10.1017/S0024282975000217
]Search in Google Scholar
[
James, P.W. 1978. Lichens. - In: Jeremy, A.C. & Crabbe, J.A. (eds), The Island of Mull. British Mus. (Natural Hist.), London, pp. 14.1-14.62.
]Search in Google Scholar
[
James, P.W. & Coppins, B. 1979. Key to British sterile crustose lichens with Trentepohlia as phycobiont. - Lichenologist 11: 253-262.10.1017/S002428297900030X
]Search in Google Scholar
[
James, P.W., Hawksworth, D.L. & Rose, F. 1977. Lichen communities in the British Isles: a preliminary conspectus. - In: Seaward, M.R.D. (ed.), Lichen ecology, Academic Press, London, pp. 295-413.
]Search in Google Scholar
[
James, P.W., Poelt, J. & Wirth, V. 1981. Fuscidea V. Wirth et Vězda. - In: Poelt, J. & Vezda, A. Bestimmungsschlüssel europäischer Flechten. Ergänzungsheft II, Cramer, Vaduz, pp. 150-159.
]Search in Google Scholar
[
Jeremy, A.C., James, P.W. & Eddy, A. 1978. Terrestial ecosystems. - In: Jeremy, A.C. & Crabbe, J.A. (eds), The Island of Mull. British Mus. (Natural Hist.), London, pp. 10.1-10.77
]Search in Google Scholar
[
Jøgensen, E. 1934. Norges levennoser. - Bergens Mus. Skr. 16: 1-343.
]Search in Google Scholar
[
Jørgensen, P.M. 1973. On some Leptogium species with short Mallotium hairs. - Svensk bot. Tidskr. 67: 53-58.
]Search in Google Scholar
[
Jørgensen, P.M. 1978. The lichen family Pannariaceae in Europe. - Op. bot. 45: 1-123.
]Search in Google Scholar
[
Jørgensen, P.M. 1990. Trønderlav (Erioderma pedicellatum) - Norges mest gatefulle plante. - Blyttia 48: 119-123.
]Search in Google Scholar
[
Jørgensen, P.M. & Øvstedal, D.O. 1975. Nye vestnorske lavfunn. - Blyttia 33: 11-16.
]Search in Google Scholar
[
Jørgensen, P.M. & Tønsberg, T. 1988. On some crustose lichens with Trentepohlia from shaded overhangs in coastal Norway. - Nord. J. Bot. 8: 293-304.10.1111/j.1756-1051.1988.tb01723.x
]Search in Google Scholar
[
Kalb, K. & Vězda, A. 1988. Neue oder bemerkenswerte Arten der Flechtenfamilie Gomphillaceae in der Neotropis. - Biblthca lichenol. 29: 1-80.
]Search in Google Scholar
[
Kämefelt, I. 1989. Morphology and phylogeny in the Teloschistales. - Cryptogamic Bot. 1: 147-203.
]Search in Google Scholar
[
Kilias, H. 1981. Revision gesteinsbewohnender Sippen der flechtengattung Catillaria Massal. in Europa (Lecanorales, Lecideaceae). - Herzogia 5: 209-448.
]Search in Google Scholar
[
Kleiven, M. 1959. Studies on the xerophile vegetation in northern Gudbrandsdalen, Norway. - Nytt Mag. Bot. 7: 1-60.
]Search in Google Scholar
[
Knoph, J.-G. 1990. Untersuchungen an gesteinsbewohnenden xanthonhaltigen Sippen der Flechtengattung Lecidella (Lecanoraceae, Lecanorales) unter besonderer Berücksichtigung von aussereuropäischen Proben exclusive Amerika. - Biblthca lichenol. 36: 1-183.
]Search in Google Scholar
[
Krog, H., Østhagen, H. & Tønsberg, T. 1980. Lavflora. Norske busk- og bladlav. - Universitetsforlaget, Oslo.
]Search in Google Scholar
[
Kümmerling, H. 1991. Zur Kenntnis der Flechtenflora an Hoben Meißner und in seinem Vorland (Hessen) unter besonderer Berücksichtigung chemischer Merkmale. - Biblthca lichenol. 41: 1-315.
]Search in Google Scholar
[
Kümmerling, H., Leuckert, C. & Wirth, V. 1991. Chemische Flechtenanalysen VI. Lepraria incana (L.) Ach. - Nova Hedwigia 53: 507-517.
]Search in Google Scholar
[
Lawrey, J.D. 1977. Adaptive significance of O-methylated lichen depsides and depsidones. - Lichenologist 9: 137-142.10.1017/S0024282977000231
]Search in Google Scholar
[
Lawrey, J.D. 1986. Biological role of lichen substances. - Bryologist 89: 111-122.10.2307/3242751
]Search in Google Scholar
[
Laundon, J.R. 1963. The taxonomy of the sterile crustaceous lichens in the British Isles. - Lichenologist 2: 101-151.10.1017/S002428296300013X
]Search in Google Scholar
[
Laundon, J.R. 1970. Lichens new to the British flora: 4. - Lichenologist 4: 297-308.10.1017/S0024282970000397
]Search in Google Scholar
[
Laundon, J.R. 1973. Urban lichen studies. In: Ferry, B.W., Baddeley, M.S. & Hawksworth, D.L. (eds), Air pollution and lichens, Athlone Press, Bristol, pp. 109-123.
]Search in Google Scholar
[
Laundon, J.R. 1974. Leproplaca in the British Isles. - Lichenologist 6: 102-105.10.1017/S0024282974000077
]Search in Google Scholar
[
Laundon, J.R. 1976. Lichens new to the British Flora: 5. - Lichenologist 8:139-180.10.1017/S0024282976000224
]Search in Google Scholar
[
Laundon, J.R. 1978. Haematomma chemotypes form fused thalli. - Lichenologist 10: 221-225.10.1017/S0024282978000316
]Search in Google Scholar
[
Laundon, J.R. 1979. Deceased lichenologists: their abbreviations and herbaria. - Lichenologist 11: 1-26.10.1017/S0024282979000037
]Search in Google Scholar
[
Laundon, J.R. 1981. The species of Chrysothrix. - Lichenologist 13: 101-121.10.1017/S0024282981000169
]Search in Google Scholar
[
Laundon, J.R. 1989. The species of Leproloma - the name for the Lepraria membranacea group. - Lichenologist . 21: 1-22.10.1017/S0024282989000034
]Search in Google Scholar
[
Leuckert, C. 1985. Probleme der Flechten-Chemotaxonomie - Stoffkombinationen und ihre taxonomische Wertung. - Ber. dt. bot. Ges. 98: 401-408.
]Search in Google Scholar
[
Leuckert, C. & Knoph, J.-G. European taxa of saxicolous Lecidella containing chloroxanthones: identification of patterns using thin layer chromatography. - Lichenologist (in press).
]Search in Google Scholar
[
Leuckert, C. & Kiimmerling, H. 1989. Chemische Flechtenanalysen V. Pannarsäure-6-methylester in einer Art der Gattung Lepraria und in Leprocaulon tenellum. - Herzogia 8: 141-147.10.1127/herzogia/8/1989/141
]Search in Google Scholar
[
Leuckert, C. & Kümmerling, H. 1991. Chemotaxonomische Studien in der Gattung Leproloma Nyl. ex Crombie (Lichenes). - Nova Hedwigia 52: 17-32.
]Search in Google Scholar
[
Leuckert, C. & Mayrhofer, H. 1984. Beiträge zur Chemie der Flechtengattung Rinodina (Ach.) Gray II. - Herzogia 6: 373-385.10.1127/herzogia/6/1984/373
]Search in Google Scholar
[
Leuckert, C., Poelt, J. & Hähnel, G. 1976. Zur Chemotaxonomie der eurasischen Arten der Flechtengattung Rhizoplaca. - Nova Hedwigia 28: 71-129.
]Search in Google Scholar
[
Leuckert, C. & Redlich, B. 1969. Die Inhaltsstoffe einiger Pertusaria-Arten mit C+ rot reagierendem Thallus (Lichenes, Pertusariaceae). - Österr. bot. Z. 117: 258-264.
]Search in Google Scholar
[
Lid, J. 1985. Norsk, svensk, finsk flora. - Det Norske Samlaget, Oslo.
]Search in Google Scholar
[
Lye, K.A. 1967. En ny inndeling av Norges plantegeografiske element. - Blyttia 25: 88-123.
]Search in Google Scholar
[
Lynge, B. 1928. Lichens from Novaya Zemlya. - Rep. sci. Res. norw. Exped. Novaya Zemlya 1921: 43: 1-299.
]Search in Google Scholar
[
Magnusson, A.H. 1925. Studies in the Rivulosa-group of the genus Lecidea. - Göteborgs k. Vetensk.-Vitterhets-Samh. Handl. Ser. 4: 29: 1-50.
]Search in Google Scholar
[
Magnusson, A.H. 1929. New or interesting Swedish lichens V. - Bot. Not. 1929: 110-122.10.1177/002205742911000519
]Search in Google Scholar
[
Magnusson, A.H. 1930. New or interesting Swedish lichens. VI. - Bot. Not. 1930: 459-476.
]Search in Google Scholar
[
Magnusson, A.H. 1932. New or interesting Swedish lichens. VII. - Bot. Not. 1932: 417-444.
]Search in Google Scholar
[
Magnusson, A.H. 1948. Lichens from Möre fylke in western Norway. - Ark. Bot. 33A: 16: 1-36.
]Search in Google Scholar
[
Mattsson, J.-E. & Lumbsch, H.T. 1989. The use of the species pair concept in lichen taxonomy. - Taxon 38: 238-241.10.2307/1220840
]Search in Google Scholar
[
Mayrhofer, H. & Leuckert, C. 1985. Beiträge zur Chemie der Flechtengattung Rinodina (Ach.) Gray III. - Herzogia 7: 117-129.10.1127/herzogia/7/1985/117
]Search in Google Scholar
[
Mayrhofer, H. & Leuckert, C. & Poelt, J. 1979. Die saxicolen Arten der Flechtengattung Rinodina in Europe. - Cramer, Vaduz.
]Search in Google Scholar
[
Mayrhofer, M. 1987. Studien ¨ber die saxicolen Arten der Flechtengattung Lecania in Europa I. Halecania gen. nov. - Herzogia 7: 381-406.10.1127/herzogia/7/1987/381
]Search in Google Scholar
[
Mayrhofer, M. 1988. Studien iiber die saxicolen Arten der Flechtengattung Lecania in Europa II. Lecania s. str. - Biblthca lichenol. 28: 1-133.
]Search in Google Scholar
[
McCarthy, P.M. & Mitchell, M.E. 1985. New lichen records from the Burren and the Aran Islands (H9). - Ir. Nat J. 21: 521-523.
]Search in Google Scholar
[
McCune, B. 1987. Distribution of chemotypes of Rhizoplaca in North America. - Bryologist 90: 6-14.10.2307/3243267
]Search in Google Scholar
[
Menlove, J.E. 1974. Thin-layer chromatography for the identification of lichen substances. - Bull. br. Lich. Soc. 3: 3-5.
]Search in Google Scholar
[
Middelborg, J. 1988. Notes on some Lecidea species from Norway. - Graphis Scripta 2: 1-5.
]Search in Google Scholar
[
Middelborg, J. & Mattsson, J. 1987. Crustaceous lichenized species of the Caliciales in Norway. - Sommerfeltia 5: 1-71.10.2478/som-1987-0001
]Search in Google Scholar
[
Moberg, R. 1989. Lichenes selecti exsiccati Upsaliensis. Fasc. 3 (Nos 51-75). - The herbarium, University of Uppsala, Uppsala.
]Search in Google Scholar
[
Muhr, L.-E. 1987. Lavfloran i Gravbäcksravinen i Viirmland. - Svensk bot. Tidskr. 81: 17-36.
]Search in Google Scholar
[
Muhr, L.-E. & Tønsberg, T. 1989. Rimularia fuscosora, a new corticolous sorediate lichen from north western Europe. - Nord. J. Bot. 8: 649-652.
]Search in Google Scholar
[
Nordin, I. 1972. Caloplaca, sect. Gasparinia i Nordeuropa. - Skriv Service, Uppsala.
]Search in Google Scholar
[
Norman, J.M. 1871. Fuligines lichenosae eller Moriolei. - Bot Not. 1871: 9-20.
]Search in Google Scholar
[
Oberhollenzer, H. & Wirth, V. 1984. Beiträge zur Revision der Flechtengattung Fuscidea. - Nowa Hedwigia Beih. 79: 537-595.
]Search in Google Scholar
[
Oberhollenzer, H. & Wirth, V. 1985. Beiträge zur Revision der Flechtengattung Fuscidea. II. Fuscidea gothoburgensis (H. Magnusson) V. Wirth & Vězda s.1. - Stuttgarter Beitr. Naturk., Ser. A 376: 1-11.
]Search in Google Scholar
[
Oberhollenzer, H. & Wirth, V. 1990. Contributions to a revision of the lichen genus Fuscidea. - III: Fuscidea recensa (Stirton) Hertel, V. Wirth & Vězda. - Biblthca lichenol. 38: 367-375.
]Search in Google Scholar
[
Økland, R.H. 1989. Hydromorphology and phytogeography of mires in inner Østfold and adjacent part of Akershus, SE Norway, in relation to regional variation in SE Fennoscandian mires. - Op. bot. 96: 1-122.
]Search in Google Scholar
[
Øvstedal, D.O. 1979. Contribution to the lichen flora of Lindas and Austrheim, western Norway. - Lindasprosj. Rapp. 22: 1-22.
]Search in Google Scholar
[
Øvstedal, D.O. 1980. Lichen communities on Alnus incana in North Norway. - Lichenologist 12: 189-197.10.1017/S0024282980000163
]Search in Google Scholar
[
Øvstedal, D.O. 1983. Some lichens from H.U. Sverdrup Mountains, Dronning Maud Land, Antarctis. - Nova Hedwigia 37: 683-690.
]Search in Google Scholar
[
Øvstedal, D.O. 1986. Nordisk Lichenologisk Forenings ekskursjon til Norge 1985. - Graph is Scripta 1: 14-25.
]Search in Google Scholar
[
Ohlsson, K. 1973. New and interesting macrolichens of British Columbia. - Bryologist 76: 366-387.10.2307/3241719
]Search in Google Scholar
[
Oshio, M. 1968. Taxonomical studies on the family Pertusariaceae of Japan. - J. sci. Hiroshima Univ., Ser. B, Div. 2, 12: 81-163.
]Search in Google Scholar
[
Ott, S. 1987a. Reproductive strategies in lichens. - Biblthca lichenol. 25: 81-93.
]Search in Google Scholar
[
Ott, S. 1987b. Sexual reproduction and developmental adaptations in Xanthoria parietina. - Nord. J. Bot. 7: 219-228.10.1111/j.1756-1051.1987.tb00933.x
]Search in Google Scholar
[
Pentecost, A. & Coppins, B. 1983. Key to Opegrapha in Great Britain. - Br. Lichen Soc. Bull. 53: 27-35.
]Search in Google Scholar
[
Poelt, J. 1965. Über einige Artengruppen der Flechtengattungen Caloplaca und Fulgensia. - Mitt. bot. München 5: 571-607.
]Search in Google Scholar
[
Poelt, J. 1969. Bestimmungsschlüssel europäischer Flechten. - Cramer, Lehre.
]Search in Google Scholar
[
Poelt, J. 1970. Das Konzept der Artenpaare bei den Flechten. - Dt. bot. Ges. neue Falge 4: 187-198.
]Search in Google Scholar
[
Poelt, J. 1972. Die taxonomische Behandlung von Artenpaaren bei den Flechten. - Bot. Not. 125: 77-81.
]Search in Google Scholar
[
Poelt, J. 1974. (“1973”) Systematic evaluation of morphological characters. - In: Ahmadjian, V. & Hale, M.E. (eds), The lichens, Academic Press, New York, pp. 91-115.
]Search in Google Scholar
[
Poelt, J. 1980a. Physcia opuntiella spec. nov. und die Lebensform der sprossenden Flechten. - Flora 169: 23-31.10.1016/S0367-2530(17)31162-3
]Search in Google Scholar
[
Poelt, J. 1980b. Eine diözische Flechte. - Pl. Syst. Evol. 135: 81-87.10.1007/BF00983008
]Search in Google Scholar
[
Poelt, J. 1986. Morphologie der Flechten. Fortschritte und Probleme. - Ber. dt. Bot. Ges. 99: 3-29.
]Search in Google Scholar
[
Poelt, J. 1987a. Das Gesetz der relativen Standortskonstanz bei den Flechten. - Bot. Jb. Syst. 108: 363-371.
]Search in Google Scholar
[
Poelt, J. 1987b. On reductions of morphological structures in lichens. - Biblthca lichenol. 25: 35-45.
]Search in Google Scholar
[
Poelt, J. & Buschardt, A. 1978. Über einige bemerkenswerte Flechten aus Norwegen. - Norw. J. Bot. 25: 123-135.
]Search in Google Scholar
[
Poelt, J. & Döbbler. P. 1975. Über moosparasitische Arten der Flechtengattungen Micarea und Yezdaea. - Bot. Jb. Syst. 96: 328-352.
]Search in Google Scholar
[
Poelt, J. & Mayrhofer, H. 1979. Studien ¨ber Ascosporen-Typen der Flechtengattung Rinodina. - Beih. Sydowia 8: 312-331.
]Search in Google Scholar
[
Poelt, J. & Vězda, A. 1977. Bestimmungsschlüssel europäischer Flechten. Erganzungsheft I. - Cramer, Vaduz.
]Search in Google Scholar
[
Poelt, J. & Vězda. A. 1981. Bestimmungsschlüssel europaischer Flechten. Ergänzungsheft II. - Cramer, Vaduz.
]Search in Google Scholar
[
Rogers, R.W. & Bartlett, J.K. 1986. The lichen genus Haematomma in New 2.ealand. - Lichenologist 18: 247-255.10.1017/S0024282986000312
]Search in Google Scholar
[
Rogers, R.W. & Bartlett, J.K. & Hafellner, J. 1987. Sagenidiopsis, a new genus of byssoid lichenized fungi. - Lichenologist 19: 401-408.
]Search in Google Scholar
[
Rose, F. 1974. The epiphytes of oak. - In: Morris, M.G. & Perring, F.H.(eds), The British oak; its history and natural history, Classey. Faringdon, pp. 250-273.
]Search in Google Scholar
[
Rose, F. 1976. Lichenological indicators of age and environmental continuity in woodlands. - In: Brown. D.H., Hawksworth, D.L. & Bailey, R.H. (eds), Lichenology: progress and problems, Academic Press, London, pp. 279-307.
]Search in Google Scholar
[
Rose, F. 1988. Megalospora tuberculosa. - Br. Lichen Soc. Bull. 63: 34.
]Search in Google Scholar
[
Santesson, J. 1967. Chemical studies on lichens 4. Thin layer chromatography of lichen substances. - Acta Chem. Scand. 21: 1162-1172.10.3891/acta.chem.scand.21-1162
]Search in Google Scholar
[
Santesson, J. 1969. Chemical studies on lichens 16. The xanthones of Lecanora straminea. I. Arthothelin and thiophanic acid. - Ark. Kemi 30: 449-454.
]Search in Google Scholar
[
Santesson, J. 1970. Anthraquinones in Caloplaca. - Phytochemistry 9: 2149-2166.10.1016/S0031-9422(00)85380-7
]Search in Google Scholar
[
Santesson, R. 1984. The lichens of Sweden and Norway. - Swedish Mus. Nat. Hist., Stockholm & Uppsala.
]Search in Google Scholar
[
Santesson, R. 1986. Hypocenomyce leucococca R. Sant. nov. spec. Isotype. - Thunbergia 2: 3.
]Search in Google Scholar
[
Schauer, T. 1964. Die Flechtengattung Mycoblastus in Mitteleuropa. - Nova Hedwigia 8: 301-310.
]Search in Google Scholar
[
Schauer, T. 1965. Ozeanische Flechten in Nordalpenraum. - Portug. Acta biol. B, 8: 17-226.
]Search in Google Scholar
[
Schwab. A.J. 1986. Rostfarbene Arten der Sammelgattung Lecidea (Lecanorales). Revision der Arten Mittel- und Nordeuropas. - Mitt. Bot. Miinchen 22: 221-476.
]Search in Google Scholar
[
Serusiaux, E. 1985. Goniocysts, goniocystangia and Opegrapha lambinonii and related species. - Lichenologist 17: 1-25.
]Search in Google Scholar
[
Serusiaux, E. 1989. Foliicolous lichens: ecological and chorological data. - Bot. J. linn. Soc. 100: 87-96.10.1111/j.1095-8339.1989.tb01710.x
]Search in Google Scholar
[
Serusiaux, E., Diederich, P. & Rose, F. 1985. Lichens et champignons lichénicoles nouveaux ou intéressants pour la flore de Belgique et des régions voisines. III. - Dumortiera 33: 25-35.
]Search in Google Scholar
[
Serusiaux, E. & Rose, F. 1984. Lichens et champignons lichénicoles nouveaux ou intéressants pour la flore de Belgique et des régions voisines II. Espéces épiphytiques. - Bull. Soc. r. bot. belg. 117: 89-99.
]Search in Google Scholar
[
Sheard, J.W. 1964. The genus Buellia de Notaris in the British Isles. (Excluding section Diploicia (Massal.) Stitz.). - Lichenologist 2: 225-262.10.1017/S0024282964000263
]Search in Google Scholar
[
Sipman. H.J.M. 1983. A monograph of the lichen family Megalosporaceae. - Biblthca Lichenol. 18: 1-241.
]Search in Google Scholar
[
Skye, E. 1968. Lichens and air pollution. A study of cryptogamic epiphytes and environment in the Stockholm region. - Acta phytogeogr. suec. 52: 1-123.
]Search in Google Scholar
[
Søhting, U. 1989. Lignicolous species of the lichen genus Caloplaca from Svalbard. - Op. bot. 100: 241-257.
]Search in Google Scholar
[
Sommerfelt, S.C. 1826. Supplementum flora lapponicae. - Christiania (Oslo).
]Search in Google Scholar
[
Stenroos, S. 1989. Taxonomic revision of the Cladonia miniata group. - Annis bot. fenn. 26: 237-261.
]Search in Google Scholar
[
Størmer, P. 1969. Mosses with a western and southern distribution in Norway. - Universitetsforlaget, Oslo.10.2307/3543240
]Search in Google Scholar
[
Størmer, P. 1984. An Eastern element within the Norwegian moss flora. - Cryptogamie bryol. lichénol. 5: 135-141.
]Search in Google Scholar
[
Sundin, R. & Thor, G. 1990. Some lichens from Latvia. - Graphis Scripta 3: 20-33.
]Search in Google Scholar
[
Swinscow, T.D.V. & Krog, H. 1981. The genus Phyllopsora, with a report on East African species. - Lichenologist 13: 203-247.
]Search in Google Scholar
[
Tehler, A. 1982. The species pair concept in lichenology. - Taxon 31: 708-714.10.2307/1219689
]Search in Google Scholar
[
Tehler, A. 1983. The genera Dirina and Roccellina (Roccellaceae). - Op. bot. 70: 1-86.10.1111/j.1756-1051.1983.tb01473.x
]Search in Google Scholar
[
Thomson, J.W. 1979. Lichens of the Alaskan Arctic slope. - Univ. Toronto Press, Toronto.10.3138/9781487583989
]Search in Google Scholar
[
Tibell, L. 1976. The genus Thelomma. - Bot Not. 129: 221-249.
]Search in Google Scholar
[
Tibell, L. 1978. Lavordningen Caliciales i Sverige. Släktene Chaenotheca och Coniocybe. - Svensk bot. Tidskr. 72: 171-188.10.1017/S0024282978000286
]Search in Google Scholar
[
Tibell, L. 1980. The lichen genus Chaenotheca in the northern Hemisphere. - Symb. bot. upsal. 23: 1: 1-65.
]Search in Google Scholar
[
Timdal, E. 1984. The genus Hypocenomyce (Lecanorales, Lecideaceae), with special emphasis on the Norwegian and Swedish species. - Nord. J. Bot. 4: 83-108.
]Search in Google Scholar
[
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: 125-127.
]Search in Google Scholar
[
Timdal, E. 1991. A monograph of the genus Toninia (Lecideaceae, Ascomycetes). - Op. bot. 110: 1-137.
]Search in Google Scholar
[
Tønsberg, T. 1980. Noen interessante lavfunn II. - Blyttia 37: 181-185.
]Search in Google Scholar
[
Tønsberg, T. 1986. Review of: Hanko, B. 1983. Die Chemotypen der Flechtengattung Pertusaria in Europe. Bihl. lichenol. 19. - Nord. J. Bot. 6: 350.
]Search in Google Scholar
[
Tønsberg, T. 1988a. Lecanora homalotropa and Pertusaria multipuncta new to Norway. - Graphis Scripta 2: 10-11.
]Search in Google Scholar
[
Tønsberg, T. 1988b. Gyalideopsis alnicola new to Europe. - Graphis Scripta 2: 38-39.
]Search in Google Scholar
[
Tønsberg, T. 1990a. The green algal phototype of Sticta canariensis found in Norway. - Graphis Scripta 3: 27.
]Search in Google Scholar
[
Tønsberg, T. 1990b. Japewia subaurifera, a new lichen genus and species from north-west Europe and western North America. - Lichenologist 22: 205-212.
]Search in Google Scholar
[
Tønsberg, T. 1992. Fellhanera in Norway. - Graphis Scripta 3: 118-119.
]Search in Google Scholar
[
Tønsberg, T. & Øvstedal, D.O. 1982. Noen interessante lavfunn III. - Blyttia 40: 59-63.
]Search in Google Scholar
[
Torrente, P. & Egea, J.M. 1989. La familia Opegraphaceae en el Area Mediterránea de la Península Ibérica y Norte de Africa. - Biblthca lichenol. 32: 1-282.
]Search in Google Scholar
[
Vainio, E.A. 1934. Lichenographia Fennica N. Lecideales II. - Acta Soc. Fauna Flora fenn. 57: 2: 1-531.
]Search in Google Scholar
[
Verseghy, K. 1962. Die Gattung Ochrolechia. - Nova Hedwigia Beih. 1: 1-146.
]Search in Google Scholar
[
Vězda, A. 1961. Lichenes novi vel rariores Sudetorum occidentalium. - Preslia 33: 365-368.
]Search in Google Scholar
[
Vězda, A. 1979. Flechtensystematische Studien XI. Beiträge zur Kenntnis der Familie Asterothyriaceae (Discolichenes). - Folia geobot. phytotax. 14: 43-94.10.1007/BF02856321
]Search in Google Scholar
[
Vězda, A. & Poelt, J. 1987. Flechtensystematische Studien XII. Die Familie Gomphillaceae und ihre Gliederung. - Folia geobot. phytotax. 22: 179-198.10.1007/BF02853193
]Search in Google Scholar
[
Vitikainen, O. 1991. Lichens recorded during the 8th Nordic lichen excursion in archipelago of S.W. Finland, 1989. - Graphis Scripta 3: 35-43.
]Search in Google Scholar
[
Vobis, G. 1980. Bau und Entwildung der Flechten-Pycnidien und ihrer conidien. - Biblthca lichenol. 14: 1-141.
]Search in Google Scholar
[
Walker, F.J. 1985. The lichen genus Usnea subgenus Neuropogon. - Bull. br. Mus. nat. Hist (Bot.) 13: 1-130.
]Search in Google Scholar
[
Watson, M.F., Hawksworth, D.L. & Rose, F. 1988. Lichens on elms in the British Isles and the effect of Dutch Elm Disease on their stands. - Lichenologist 20: 327-352.10.1017/S0024282988000441
]Search in Google Scholar
[
Wetmore, C.M. 1981. Lichens of Voyageurs National Park, Minnesota. - Bryologist 84: 482-491.
]Search in Google Scholar
[
White, F.J. & James, P.W. 1985. A new guide to microchemical techniques for the identification of lichen substances. - Br. Lichen Soc. Bull. 57: Suppl.: 1-41.
]Search in Google Scholar
[
Wirth, V. 1980. Flechtenflora. - Ulmer, Stuttgart.
]Search in Google Scholar
[
Wirth, V. 1987. Die Flechten Baden-Württembergs. Verbreitungsatlas. - Ulmer, Stuttgart.
]Search in Google Scholar
[
Wyatt, R., Lane, D.M. & Stoneburner, A. 1982. The misuse of mixed collections in bryophyte taxonomy. - Taxon 31: 698-704.10.2307/1219687
]Search in Google Scholar
[
Yoshimura, I. & Kurokawa, T. 1991. Biogenesis of lecanoric acid in lichen thalli and its related substances. - Bull. Kochi Gakuen College 22: 663-672.
]Search in Google Scholar