Vermilion Amanita

Amanita xanthocephala

The vermilion grisette, also known as pretty grisette or vermilion amanita is a colourful mushroom of the genus "Amanita". However, although it is often referred to by the common name "grisette", it is not closely related to other edible species that carry this common name, such as "Amanita vaginata" and "Amanita fulva". It belongs to the same group of "Amanita" as "A. muscaria" and is reported to be toxic.
Vermillion grisette - Amanita xanthocephala Amanita caesarea,Amanita xanthocephala,Australia,Eamw fungi,Fall,Geotagged,Vermilion grisette

Appearance

It is a ringless mushroom with a yellowish- to reddish-orange cap up to 3–5 cm in diameter, with deeper colour toward the centre, and paler similar-coloured warts. The gills and slim ringless stipe are pale yellow or white. The white volva has a neat outturned lip and is often bordered with orange or yellow.
peach sunset mushroom taken at hardys scrub onkaparinga national park walking trails south australia Amanita xanthocephala,Australia,Geotagged,Vermilion grisette,Winter,fungi,hardys scrub,mushroom,national park,onkaparinga,russula,south australia

Naming

It derives its specific epithet "xanthocephala" from the Greek "xanthos"/ξανθοѕ "yellow" and "kephale"/κεφαλη "head".

At one stage this fungus was known as "Amanitopsis pulchella", a small genus that all grisettes were placed in. However, this genus has been later sunk back into "Amanita". Unlike most ringless "Amanita", which are part of "Amanita" section "Vaginatae", "A. xanthcephala" belongs to "Amanita" section "Amanita".
Vermillion grisette - Amanita xanthocephala Amanita xanthocephala,Australia,Eamw fungi,Geotagged,Vermilion grisette

Distribution

"Amanita xanthocephala" lives in an ectomycorrhizal relationship with "Eucalyptus". It is found in eucalypt forests in the southwest of Western Australia, as well as southeastern Australia from near Adelaide around to Southeast Queensland.

References:

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderAgaricales
FamilyAmanitaceae
GenusAmanita
SpeciesA. xanthocephala
Photographed in
Australia