S.  Ekman, ?Four new and two resurrected species of Bacidina from Sweden, with notes and a preliminary key to the known Scandinavian species?, Nordic Journal of Botany, p. e03846, 2023.

S.  Ekman and Tønsberg, T., ?Most species of Lepraria and Leproloma form a monophyletic group closely related to Stereocaulon?, Mycological Research, vol. 106, pp. 1262-1276, 2002.

M.  Wedin, Jørgensen, P. M., and Ekman, S., ?Vahliellaceae, a new family of cyanobacterial lichens (Peltigerales, Ascomycetes)?, Lichenologist, vol. 43, pp. 67-72, 2011.

S.  Ekman and Blaalid, R., ?The Devil in the Details: interactions between the Branch-Length Prior and Likelihood model affect node support and branch lengths in the phylogeny of the Psoraceae?, Systematic Biology, vol. 60, pp. 541-561, 2011.

P. G.  Ihlen and Ekman, S., ?Outline of phylogeny and character evolution in Rhizocarpon (Rhizocarpaceae, lichenized Ascomycota) based on nuclear ITS and mitochondrial SSU ribosomal DNA sequences?, Biological Journal of the Linnean Society, vol. 77, pp. 535-546, 2002.

R.  R. Næsborg, Ekman, S., and Tibell, L., ?Molecular phylogeny of the genus Lecania (Ramalinaceae, lichenized Ascomycota)?, Mycological Research, vol. 111, pp. 581-591, 2007.

L.  Lindblom and Ekman, S., ?Molecular evidence supports the distinction between Xanthoria parietina and X. aureola (Teloschistaceae, lichenized Ascomycota).?, Mycological Research, vol. 109, pp. 187-199, 2005.

H. L.  Andersen and Ekman, S., ?Disintegration of the Micareaceae (lichenized Ascomycota): a molecular phylogeny based on mitochondrial rDNA sequences.?, Mycological Research, vol. 109, pp. 21-30, 2005.

M.  Wedin, Wiklund, E., Jørgensen, P. M., and Ekman, S., ?Slippery when wet: phylogeny and character evolution in the gelatinous cyanobacterial lichens (Peltigerales, Ascomycetes).?, Molecular and Phylogenetic Evolution, vol. 53, pp. 862-871, 2009.

S.  Ekman, ?The corticolous and lignicolous species of Bacidia and Bacidina in North America?, 1996.

T.  Spribille, Björk, C. R., Ekman, S., Elix, J. A., Goward, T., Printzen, C., Tønsberg, T., and Wheeler, T., ?Contributions to an epiphytic lichen flora of northwest North America: I. Eight new species from British Columbia inland rain forests?, Bryologist, vol. 112, pp. 109-137, 2009.

K. L.  Dillman, Ahti, T., Björk, C. R., Clerc, P., Ekman, S., Goward, T., Hafellner, J., Pérez-Ortega, S., Printzen, C., Savic, S., Schultz, M., Svensson, M., Thor, G., Tønsberg, T., Vitikainen, O., Westberg, M., and Spribille, T., ?New records, range extensions and nomenclatural innovations for lichens and lichenicolous fungi from Alaska, USA?, Herzogia, vol. 25, pp. 177-210, 2012.

A. M.  Millanes, Diederich, P., Ekman, S., and Wedin, M., ?Phylogeny and character evolution in the jelly fungi (Tremellomycetes, Basidiomycota, Fungi)?, Molecular Phylogenetics and Evolution, vol. 61, pp. 12-28, 2011.

E.  Llop and Ekman, S., ?Bacidia coprodes?resurrecting a misinterpreted species?, Lichenologist, vol. 39, pp. 251-257, 2007.

S.  Ekman, ?Molecular phylogeny of the Bacidiaceae (Lecanorales, lichenized Ascomycota)?, Mycological Research, vol. 105, pp. 783-797, 2001.

S.  Ekman and Nordin, A., ?The taxonomy of Bacidia fraxinea and its relationship to B. rubella?, Annales Botanici Fennici, vol. 30, pp. 77-82, 1993.

H. L.  Andersen and Ekman, S., ?Disintegration of the Micareaceae (lichenized Ascomycota): a molecular phylogeny based on mitochondrial rDNA sequences?, Mycological Research, vol. 109, pp. 21-30, 2005.

T.  Spribille, Björk, C. R., Ekman, S., Elix, J. A., Goward, T., Printzen, C., Tønsberg, T., and Wheeler, T., ?Contributions to an epiphytic lichen flora of northwest North America: I. Eight new species from British Columbia inland rain forests?, Bryologist, vol. 112, pp. 109 - 137, 2009.