Thaxterogaster pallidirimosus

Thaxterogaster pallidirimosus is a species of fungus in the family Cortinariaceae.[1]

Thaxterogaster pallidirimosus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Cortinariaceae
Genus: Thaxterogaster
Species:
T. pallidirimosus
Binomial name
Thaxterogaster pallidirimosus
(Kytöv., Liimat. & Niskanen) Niskanen & Liimat. (2022)
Synonyms
  • Cortinarius pallidirimosus Kytöv., Liimat. & Niskanen (2014)

Taxonomy

It was described as new to science in 2014 and classified as Cortinarius pallidirimosus from specimens collected in Finland. It was placed in the subgenus Phlegmacium of the large mushroom genus Cortinarius.[2]

In 2022 the species was transferred from Cortinarius and reclassified as Thaxterogaster pallidirimosus based on genomic data.[3]

Description

Fruitbodies are distinguished in the field by their cream-coloroured caps with hygrophanous streaks, the honey-like odor of the flesh, and the association with birch.[2]

Etymology

The specific epithet pallidirimosus refers to the pale, streaked cap. Thaxterogaster caesiophylloides is a closely related sister species.[2]

Habitat and distribution

The fungus is found throughout Fennoscandia, in Russia, and in Oregon (United States). It fruits on the ground singly or in small groups in boreal forest, mesic forest, and mixed forests with birch.[2]

References

  1. "Species Fungorum - Thaxterogaster pallidirimosus (Kytöv., Liimat. & Niskanen) Niskanen & Liimat". www.speciesfungorum.org. Retrieved 2023-01-14.
  2. Liimatainen K, Niskanen T, Dima B, Kytövuori I, Ammirati JF, Frøslev TG (2014). "The largest type study of Agaricales species to date: bringing identification and nomenclature of Phlegmacium (Cortinarius) into the DNA era". Persoonia. 33: 98–140. doi:10.3767/003158514X684681. PMC 4312940. PMID 25737596. open access
  3. Liimatainen, Kare; Kim, Jan T.; Pokorny, Lisa; Kirk, Paul M.; Dentinger, Bryn; Niskanen, Tuula (2022-01-01). "Taming the beast: a revised classification of Cortinariaceae based on genomic data". Fungal Diversity. 112 (1): 89–170. doi:10.1007/s13225-022-00499-9. hdl:2299/25409. ISSN 1878-9129. S2CID 247098340.


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