Fly Agaric vs Pixie Foam

Amanita muscaria compared with Stereocaulon pileatum

Key Differences

Fly Agaric is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Fly Agaric	Pixie Foam
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum	Basidiomycota (Club Fungi)	Ascomycota (Sac Fungi)
Class	Agaricomycetes (Mushrooms)	Lecanoromycetes (Lecanoromycetes)
Order	Agaricales (Gilled Mushrooms)	Lecanorales (Lecanorales)
Family	Agaricaceae (Agarics)	Stereocaulaceae
Genus	Amanita (Amanitas)	Stereocaulon
Species	Amanita muscaria	Stereocaulon pileatum

Evolutionary Relationship

Fly Agaric and Pixie Foam share a common ancestor at the Kingdom level: Fungi. (Fungi)

View Kingdom: Fungi

Conservation Status

Fly Agaric

LC — Least Concern

Trend: Stable →

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Fly Agaric	Pixie Foam
Diet	Decomposer	—
Average Lifespan	1 years	—
Average Length	20 cm	—
Average Weight	100 g	—

Habitat & Geographic Range

Fly Agaric

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), Oceania and the Pacific (New Zealand), and South America (Brazil, Chile, Colombia).

Pixie Foam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Fly Agaric

A amanita-das-moscas (Amanita muscaria) é um dos fungos mais icônicos e reconhecíveis da Terra, exibindo chapéus vermelhos marcantes com verrugas brancas nos bosques boreais do hemisfério norte. Apesar de sua aparência de conto de fadas, contém potentes compostos psicoativos como muscimol e ácido iboténico, sendo moderadamente tóxico. Forma simbioses micorrízicas essenciais com bétulas, pinheiros e abetos, trocando nutrientes minerais por carbono e desempenhando papéis fundamentais na ciclagem de nutrientes nas florestas boreais.