The southwestern Baltic Sea–Kattegat area: : a hotspot for the lichen genus Xanthoria s.l.
More than 3500 samples of lichen genus Xanthoria s.l. were collected at 135 localities in the Baltic Sea–Kattegat area during 2022–2025. Of these, 177 were selected for phylogenetic analyses using ITS and mt-sequences. The phylogenetic tree of Xanthoria s.str. reveals 24 clades possibly corresponding to species, six of which are described, i. e. X. calcicola, X. coomae, X. ectaneoides, X. pedersen
