''Mystinarius'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

fungi A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

in the family Cortinariaceae.

Taxonomy

The genus was created in 2022 when the family Cortinariaceae, which previously contained only the one genus of ''

Cortinarius ''Cortinarius'' is a globally distributed genus of fungus in the family Cortinariaceae. Its members are commonly known by the names cortinar and webcap. It is suspected to be the largest genus of agarics, containing over 2,000 widespread species ...

'' was reclassified based on genomic data and split into the genera of ''Cortinarius'', '' Aureonarius'', '' Austrocortinarius'', '' Calonarius'', '' Cystinarius'', ''

Hygronarius ''Hygronarius'' is a genus of fungi A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms ...

'', ''Mystinarius'', ''

Phlegmacium ''Phlegmacium'' is a genus of fungi in the family Cortinariaceae. Taxonomy The genus was created in 1877 by the German mycologist Friedrich Otto Wünsche based on the earlier 1821 classification of the ''Agaricus'' tribe ''Phlegmacium'' by ...

'', ''

Thaxterogaster ''Thaxterogaster'' is a genus of fungi in the family Cortinariaceae. Taxonomy The genus was created in 1951 by the German mycologist Rolf Singer to contain the novel species ''Thaxterogaster magellanicum'' and ''Thaxterogaster violaceum.'' ...

'' and ''

Volvanarius ''Volvanarius'' is a genus of fungi in the family Cortinariaceae. Taxonomy The genus was created in 2022 when the family Cortinariaceae, which previously contained only the one genus of ''Cortinarius'' was reclassified based on genomic data ...

''. The genus is further divided with subgenus and section classifications: * ''Mystinarius'' subgenus ''Mystinarius.''

Etymology

The name ''Mystinarius'' derives from the Latin word mysticus''' meaning mystical and ''Cortinarius.''

Species

As of January 2023, the genus is

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

with only one species of ''Mystinarius'' accepted by

Species Fungorum ''Index Fungorum'' is an international project to index all formal names (Binomial nomenclature, scientific names) in the fungus Kingdom (biology), kingdom. As of 2015, the project is based at the Royal Botanic Gardens, Kew, one of three partn ...

. # ''Mystinarius lustrabilis'' (Moënne-Locc.) Niskanen & Liimat. (2022)

References

Agaricales genera Cortinariaceae {{Fungus-stub