vs Fly Agaric

Clitocybe strigosa compared with Amanita muscaria

Taxonomic Classification

Rank		Fly Agaric
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Basidiomycota (Club Fungi)	Basidiomycota (Club Fungi)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Agaricales (Gilled Mushrooms)	Agaricales (Gilled Mushrooms)
Family	Tricholomataceae	Agaricaceae (Agarics)
Genus	Clitocybe	Amanita (Amanitas)
Species	Clitocybe strigosa	Amanita muscaria

Evolutionary Relationship

and Fly Agaric share a common ancestor at the Order level: Agaricales. (Gilled Mushrooms)

Conservation Status

LC — Least Concern

Fly Agaric

LC — Least Concern

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Habitat

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

Range

Distributed across Norway and Sweden.

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).

Clitocybe strigosa is an agaric fungus in the family Tricholomataceae found in temperate and boreal European forests. The specific epithet strigosa refers to a stiff, bristly texture suggesting the cap surface or stipe may bear fine, erect hairs or fibrils distinguishing it from smoother relatives. It inhabits woodland floors, grassy forest margins, and clearings, fruiting in autumn when moisture conditions favor fruiting body development. The general morphology follows the Clitocybe pattern: a depressed to funnel-shaped cap with decurrent gills and a central stipe, in pale to greyish-buff tones. As a saprotrophic fungus, C. strigosa decomposes leaf litter, woody debris, and soil organic matter, contributing to the carbon and nitrogen cycling that sustains forest ecosystems. The genus Clitocybe encompasses dozens of European species, many of which require careful microscopic examination and consideration of substrate, odor, and spore features for reliable identification. Documentation of less common species like C. strigosa contributes to understanding the full scope of European fungal biodiversity.

Fly Agaric

Among the most iconic and recognizable fungi on Earth, fly agaric mushrooms display striking red caps with white flecked warts across boreal forests of the Northern Hemisphere. Despite their fairy-tale appearance, they contain potent psychoactive compounds including muscimol and ibotenic acid and are moderately toxic. They form critical mycorrhizal symbioses with birch, pine, and spruce trees, exchanging mineral nutrients for carbon and playing essential roles in boreal forest nutrient cycling.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden