''Russula cupreola'' is an

agaricoid An agaric () is a type of fungus fruiting body characterized by the presence of a pileus (cap) that is clearly differentiated from the stipe (stalk), with lamellae (gills) on the underside of the pileus. In the UK, agarics are called "mushrooms ...

fungal species first typed in 1990. It shows a white stem and a purple/ochre coloured cap, with a maximum diameter of 30 mm. The gills will be white in younger fruiting bodies, but as the gills age they will become ochraceous. This species is currently found in

Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion#Europe, subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, ...

Merging of species

''Russula cupreola'' and '' R. purpureofusca'' were merged under one name, ''Russula cupreola'', in 2016. The typing of ''R. purpureofusca'' was done with a juvenile specimen of ''R. cupreola,'' leading mycologists to believe it was a separate species. After noticing similar features between the two species, researchers performed

ITS1 Internal transcribed spacer (ITS) is the spacer DNA situated between the small-subunit ribosomal RNA (rRNA) and large-subunit rRNA genes in the chromosome or the corresponding transcribed region in the polycistronic rRNA precursor transcript. I ...

sequencing and verified that the two species were conspecific.

References

cupreola Fungus species {{Russulales-stub