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Marine fungi of the Baltic Sea

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journal contribution
posted on 12.03.2020 by Sanja Tibell, Leif Tibell, Ka-Lai Pang, Mark Calabon, E. B. Gareth Jones

Vast parts of the Baltic Sea have been mycologically neglected and are still awaiting exploration. Here we summarise earlier records of marine fungi from the Baltic, supplementing them with discoveries from fieldwork in Sweden in 2019. Although marine fungal diversity is clearly attenuated in the brackish water of the Baltic Sea, a substantial number has still been discovered. Here we list 77 species from the Baltic Sea, whereas after a critical assessment a further 18 species have been excluded as records of marine fungi. The species have mainly been identified by their morphological features, supplemented by DNA-based diagnostics. Most of the species have their main distributions in temperate areas of the Atlantic Ocean. Some of the Baltic species discovered here represent far disjunctions to tropical waters while only a very few are until now only recorded for the Baltic Sea. In this paper two species belong in Basidiomycota, while the most ascomyceteous speciose classes are Sordariomycetes (with 42 species) and Dothideomycetes (24). Halosphaeriaceae is the most speciose family in marine habitats, as also in the Baltic Sea, represented here by 29 species. Three species are new to Europe, and in addition 13 to the Baltic Sea and 13 to Sweden.


This work was supported by the the Ministry of Science and Technology Taiwan [Grant number: MOST 107-2911-I-019- 505]; The Swedish Species Initiative [Diarienr: SLU.dha.2017.4.3-73]; King Saud University, Kingdom of Saudi Arabia [The Distinguished Scientist Fellowship Program (DS)].