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The Bulbous Amanita (Amanita bulbosa) is a poisonous mushroom species found in North America and Europe. It is characterized by its bulbous base, white gills, and lack of a ring on the stem. The cap is typically brown or grayish-brown. It is important to avoid consuming this mushroom due to its toxicity.
How to Identify
- Cap
- Brown to grayish-brown, smooth, convex to flattened.
- Gills
- White, crowded, free from the stem.
- Stem
- White, smooth, lacking a ring, bulbous base.
- Flesh
- White, unchanging when cut.
- Fruiting body
- Medium to large size.
- Habitat
- Deciduous and coniferous forests, often near oak or pine trees.
Key Facts
- Cap surfaces: Smooth
- Growth Form: Solitary or scattered
- Spore Print: White
- Body color: White stem, brown cap
- Odor: Mild or unpleasant
- Flesh bruises: Does not bruise
- Height: 8-15 cm
- Cap Diameter: 5-10 cm
- Nutrient gathering: Mycorrhizal
Toxic
DeadlyHighly poisonous; contains amatoxins and phallotoxins, which can cause severe liver and kidney damage, potentially leading to death.
Quick Check
- Odor: Mild or unpleasant
- Fruiting: Late summer to autumn
- Substrate: Soil in forests
Where to Find
North America
Found in deciduous and coniferous forests.
Europe
Prefers acidic soils.
Finding Tips
Examine the base
Look for mushrooms with a bulbous base and white gills.
Check the stem
Check for the absence of a ring on the stem.
Similar Species
Amanita phalloides
Amanita
Also known as: Death Cap
Scientific Classification
- Phylum
- Basidiomycota
- Class
- Agaricomycetes
- Order
- Agaricales
- Family
- Amanitaceae
- Genus
- Amanita
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