Previous issues of Sommerfeltia

Supplement Vol. 1. R.H. Økland: Vegetation ecology: theory, methods and applications with reference to Fennoscandia. 233 pp. (Mar. 1990).

Supplement Vol. 2. R.H. Økland: Studies in SE Fennoscandian mires, with special regard to the use of multivariate techniques and the scaling of ecological gradients. (Dissertation summary). 22 pp. (Dec. 1990).

Supplement Vol. 3. G. Hestmark: To sex, or not to sex... Structures and strategies of reproduction in the family Umbilicariaceae (Lecanorales, Ascomycetes). (Dissertation summary). 47 pp. (Dec. 1991).

Supplement Vol. 4. C. Brochmann: Polyploid evolution in arctic-alpine Draba (Brassicaceae). 37 pp. (Nov. 1992).

Supplement Vol. 5. A. Hansen & P. Sunding: Botanical bibliography of the Canary Islands. 116 pp. (May 1994).

Supplement Vol. 6. R.H. Økland: Boreal coniferous forest vegetation in the Solhomfjell area, S Norway: structure, dynamics and change, with particular reference to effects of long distance airborne pollution. 33 pp. (May 1995).

Supplement Vol. 7. K. Rydgren: Fine-scale disturbance in an old-growth boreal forest - patterns and processes. 25 pp. (May 1997).

Vol. 1. A. Hansen & P. Sunding: Flora of Macaronesia. Checklist of vascular plants. 3. revised edition. 167 pp. 

Vol. 2. R.H. Økland & E. Bendiksen: The vegetation of the forest-alpine transition in Grunningsdalen, S. Norway. 224 pp. (Nov. 1985).

Vol. 3. T. Halvorsen & L. Borgen: The perennial Macaronesian species of Bubonium (Compositae-Inuleae). 103 pp. (Feb. 1986).

Vol. 4. H.B. Gjærum & P. Sunding: Flora of Macaronesia. Checklist of rust fungi (Uredinales). 42 pp. (Dec. 1986).

Vol. 5. J. Middelborg & J. Mattsson: Crustaceous lichenized species of the Caliciales in Norway. 71 pp. (May 1987).

Vol. 6. L.N. Derrick, A.C. Jermy & A.C. Paul: Checklist of European Pteridophytes. xx + 94 pp. (Jun. 1987).

Vol. 7. L. Malme: Distribution of bryophytes on Fuerteventura and Lanzarote, the Canary Islands. 54 pp. (Mar. 1988).

Vol. 8. R.H. Økland: A phytoecological study of the mire Northern Kisselbergmosen, SE. Norway. I. Introduction, flora, vegetation, and ecological conditions. 172 pp. (Oct. 1989).

Vol. 9. G. Mathiassen: Some corticolous and lignicolous Pyrenomycetes s. lat. (Ascomycetes) on Salix in Troms, N Norway. 100 pp. (Oct. 1989).

Vol. 10. T. Økland: Vegetational and ecological monitoring of boreal forests in Norway. I. Rausjømarka in Akershus county, SE Norway. 52 pp. (June 1990).

Vol. 11. R.H. Økland (ed.): Evolution in higher plants: patterns and processes. Papers and posters presented on a symposium arranged on occasion of the 175th anniversary of the Botanical Garden in Oslo, June 5-8, 1989. 183 pp. (Dec. 1990).

Vol. 12. O. Eilertsen: Vegetation patterns and structuring processes in coastal shell-beds at Akerøya, Hvaler, SE Norway. 90 pp. (June 1991).

Vol. 13. G. Gulden & E.W. Hanssen: Distribution and ecology of stipitate hydnaceous fungi in Norway, with special reference to the question of decline. 58 pp. (Feb. 1992).

Vol. 14. T. Tønsberg: The sorediate and isidiate, corticolous, crustose lichens in Norway. 300 pp. (May 1992).

Vol. 15. J. Holtan-Hartwig: The lichen genus Peltigera, exclusive of the P. canina group, in Norway. 77 pp. (March 1993).

Vol. 16. R.H. Økland & O. Eilertsen: Vegetation-environment relationships of boreal coniferous forests in the Solhomfjell area, Gjerstad, S Norway. 254 pp. (March 1993).

Vol. 17. A. Hansen & P. Sunding: Flora of Macaronesia. Checklist of vascular plants. 4. revised edition. 295 pp. (May 1993).

Vol. 18. J.F. Ardévol Gonzáles, L. Borgen & P.L. Péres de Paz: Checklist of chromosome numbers counted in Canarian vascular plants. 59 pp. (Sept. 1993).

Vol. 19. E. Bendiksen, K. Bendiksen & T.E. Brandrud: Cortinarius subgenus Myxacium section Colliniti (Agaricales) in Fennoscandia, with special emphasis on the Arctic-alpine zones. 37 pp. (Nov. 1993).

Vol. 20. G. Mathiassen: Corticolous and lignicolous Pyrenomycetes s.lat. (Ascomycetes) on Salix along a mid-Scandinavian transect. 180 pp. (Nov. 1993).

Vol. 21. K. Rydgren: Low-alpine vegetation in Gutulia National Park, Engerdal, Hedmark, Norway, and its relation to the environment. 47 pp. (May 1994).

Vol. 22. T. Økland: Vegetation-environment relationships of boreal spruce forests in ten monitoring reference areas in Norway. (May 1996).

Vol. 23. T. Tønsberg, Y. Gauslaa, R. Haugan, H. Holien & E. Timdal: The threatened macrolichens of Norway - 1995. (June 1996).

Vol. 24. C. Brochmann, Ø.H. Rustan, W. Lobin & N. Kilian: The endemic vascular plants of the Cape Verde islands, W Africa. 356 pp. (Dec. 1997).

Vol. 25. A. Skrindo & R.H. Økland: Fertilization effects and vegetation-environment relationships in a boreal pine forest in Åmli, S Norway. 90 pp. (Dec. 1998).

Vol. 26. A. Granmo: Morphotaxonomy and chorology of the genus Hypoxylon (Xylariaceae) in Norway. 81 pp. (Sept. 1999).

Vol. 27. A. Granmo, T. Læssøe & T. Schumacher: The genus Nemania s.l. (Xylariaceae) in Norden. 96 pp. (Sept. 1999).

Vol. 28. H. Krog: Corticolous macrolichens of low montane rainforests and moist woodlands of eastern Tanzania. 75 pp. (July 2000).

Vol. 29. Økland, R.H., Økland, T. & Rydgren, K. 2001: Vegetation-environment relationships of boreal spruce swamp forests in Østmarka Nature Reserve, SE Norway. 190 pp. (Sept. 2001).

Vol. 30. Bendiksen, E., Økland, R.H., Høiland, K., Eilertsen, O. & Bakkestuen, V. 2004. Relationships between macrofungi, plants and environmental factors in boreal coniferous forests in the Solhomfjell area, Gjerstad, S Norway. - Sommerfeltia 30: 1-125.

Vol. 31. K. Høiland & R.H. Økland (eds): Arctic and alpine mycology VII. 211 pp. (Feb. 2008). 

Vol. 32. H.Y. Liu, T. Økland, R. Halvorsen, J.X. Gao, Q.R. Liu, O. Eilertsen & H. Bratli: Gradient analyses of forests ground vegetation and its relationships to environmental variables in five subtropical forest areas, S and SW China. 196 pp. (Nov. 2008). 

Vol. 33. D.O. Øvstedal, T. Tønsberg & A. Elvebakk: The lichen flora of Svalbard. 393 pp. (Dec. 2009). 

Vol. 34. Bakkestuen, V., Aarrestad, P.A., Stabbetorp, O.E., Erikstad, L. & Eilertsen, O. 2010. Vegetation composition, gradients and environment relationships of birch forest in six reference areas in Norway. Oslo. ISBN 82-7420-048-9. ISSN 0800-6865.