Species details

Bearded Amanita

Amanita ovoidea

Extra caution required
Bearded Amanita – Amanita ovoidea

Photo: Rocco Stasi · CC BY 3.0 · Photo source · License

Description

A very large white Amanita with a fleshy cap, stout stem and thick sack-like volva.

Identification features

The cap margin is often shaggy and the ring soft and fleeting; deadly white Amanitas are dangerous lookalikes.

Identification checklist

Check the entire fruitbody for identification. A very large white Amanita with a fleshy cap, stout stem and thick sack-like volva. The cap margin is often shaggy and the ring soft and fleeting; deadly white Amanitas are dangerous lookalikes. Typical habitat: Warm calcareous sites in deciduous woodland and Mediterranean scrub.

Detailed features

Cap
6–18 cm, very fleshy, initially hemispherical then convex, white to straw-yellow; veil remnants may remain at the margin.
Hymenophore
Gills white, crowded and robust.
Stem
6–18 × 1.5–3 cm, white and floccose, with a large thick sac-like volva; the ring is soft and often ephemeral.
Flesh
White and firm.
Smell
Strong, sometimes unpleasant, faintly radish- or mushroom-like.
Spore print
White.

Size

Cap diameter
6–18 cm
Stem height
6–18 cm
Stem diameter
1,5–3 cm

Habitat

Warm calcareous sites in deciduous woodland and Mediterranean scrub.

Fruiting period

June, July, August, September, October, November

Ecology

Trophic mode
Mycorrhizal
Host trees
Oak (Quercus)
Substrate
Forest soil
Soil
Calcareous
Notes
A warmth-loving Mediterranean species of calcareous habitats, especially open oak and mixed woodland.

How to separate similar species

Compare especially with these similar species: Amanita strobiliformis, Amanita verna, Amanita virosa. Check the combination of cap shape and colour, spore-bearing surface, stem, flesh changes and habitat. A single feature or photograph is not enough; if the key characters do not match the description, do not treat the identification as confirmed.

Similar species

Conservation

Red list
R – rare species
Notes
On the Slovenian Red List: R – rare species.

Interesting facts

Did you know? The species is distinctly Mediterranean and warmth-loving and in Slovenia is mainly associated with warmer coastal regions.

Extended-description sources