Species details

Grey-zoned ringless amanita

Amanita battarrae

Conditional / expert preparation
Grey-zoned ringless amanita – Amanita battarrae

Photo: This image was created by user Irene Andersson (irenea) at Mushroom Observer , a source for mycological images. You can contact this user here . · CC BY-SA 3.0 · Photo source · License

Description

A grey-brown grisette with a strongly striate cap margin, no ring, and a sack-like volva around the stem base.

Identification features

The cap is grey- to olive-brown, often with a darker zone. Gills are white and free. The slender stem lacks a ring and sits in a grey-white volva.

Identification checklist

Expose the whole fruitbody. Check the absence of a ring, strongly striate margin, and the form of the volva at the base.

Detailed features

Cap
The cap is grey- to olive-brown, often with a darker zone.
Hymenophore
Gills are white and free.
Stem
The slender stem lacks a ring and sits in a grey-white volva.
Flesh
White and brittle.
Smell
No distinctive smell.
Spore print
White.

Size

Cap diameter
3–10 cm
Stem height
6–10 cm
Stem diameter
0,5–1,5 cm

Habitat

Mycorrhizal mainly in coniferous woodland on acidic soils, from summer to late autumn.

Fruiting period

June, July, August, September, October, November

Ecology

Trophic mode
Mycorrhizal
Host trees
Spruce (Picea), Pine (Pinus)
Substrate
Forest soil
Soil
Acidic
Notes
Mycorrhizal mainly in coniferous woodland on acidic soils, from summer to late autumn.

How to separate similar species

Grisettes are very similar, and young Amanita from other groups can be dangerous. Identification is unreliable without the complete stem base.

Similar species

Interesting facts

Did you know? Like other grisettes it lacks a ring and has a strongly striate cap margin.

Extended-description sources