''Cystinarius'' 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 The Cortinariaceae are a large family of gilled mushrooms found worldwide, containing over 3200 species. The family takes its name from its largest genus, the varied species of the genus ''Cortinarius''. Many genera formerly in the 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 ''Mystinarius'' 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 a ...

'', ''

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: * ''Cystinarius'' subgenus ''Cystinarius'' includes the section: ''Cystinarius''. * ''Cystinarius'' subgenus ''Crassi'' includes the section: ''Crassi''.

Etymology

The name ''Cystinarius'' derives from

cystidia A cystidium (: cystidia) is a relatively large cell found on the sporocarp of a basidiomycete (for example, on the surface of a mushroom gill), often between clusters of basidia. Since cystidia have highly varied and distinct shapes that are o ...

and ''Cortinarius''. This is in reference to the cystidia found in this genus.

Species

As of January 2023,

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 ...

lists six accepted species of ''Cystinarius''. # ''

Cystinarius crassus ''Cystinarius'' 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 a ...

'' (Fr.) Niskanen & Liimat. (2022) # ''

Cystinarius eutactus ''Cystinarius'' 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 ...

'' (Soop) Niskanen & Liimat. (2022) # ''

Cystinarius paurigarhwalensis ''Cystinarius'' 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 ...

'' (Semwal, Dima & Soop) Niskanen & Liimat. (2022) # ''

Cystinarius rubicundulus ''Cystinarius'' 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 ...

'' (Rea) Niskanen & Liimat. (2022) # '' Cystinarius rubiginosus'' (Ammirati, Bojantchev, Niskanen & Liimat.) Liimat. & Niskanen (2022) # ''

Cystinarius subgemmeus ''Cystinarius'' 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 ...

'' (Soop) Niskanen & Liimat. (2022)

References

Agaricales genera Cortinariaceae {{Fungus-stub