This is the opening paper in the special issue of Fungal Diversity, which collates the data on
defining species. Defining and recognizing species has long been a controversial issue …

Species delimitation is one of the most fundamental processes in biology. Biodiversity
undertakings, for instance, require explicit species concepts and criteria for species …

The global diversity of fungi has been estimated between 2 to 11 million species, of which
only about 155 000 have been named. Most fungi are invisible to the unaided eye, but they …

Aspergillus section Flavi is a fungal group that is important in food because it contains
spoilage and potentially aflatoxigenic species. Aflatoxins are metabolites that are harmful to …

Climate change is one of the most pressing challenges faced by developing countries due to
their lower adaptive capacity, with far-reaching impacts on agriculture. The mid-century …

Russula albonigra is considered a well-known species, morphologically delimited by the
context of the basidiomata blackening without intermediate reddening, and the menthol …

Species of Russula are ubiquitous members of ectomycorrhizal fungal communities in
tropical ecosystems. However, an important part of the total tropical diversity of this genus …

Russula is the most diverse genus within the family Russulaceae and has an
ectomycorrhizal association with many host trees. During the monsoon season of 2022, five …

Russula subgenus Compactae is a group of ectomycorrhizal basidiomycetes, usually with
large pileate fruitbodies. European members of the group are characterised by the absence …

Fungi are probably the most diverse group of eukaryotic organisms in the Antarctic continent
and nearby archipelagos, and they dominate communities in either mild or harsh habitats …