Fly Agaric vs Rafflesia

Amanita muscaria compared with Rafflesia arnoldii

Key Differences

• Fly Agaric is Least Concern while Rafflesia is Endangered.
• Fly Agaric is decomposer while Rafflesia is parasite.
• Rafflesia is 110.0x heavier than Fly Agaric.
• Rafflesia lives longer (5 years vs 1 years).

Taxonomic Classification

Rank	Fly Agaric	Rafflesia
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Magnoliophyta (Flowering Plants)
Class	Agaricomycetes (Mushrooms)	Magnoliopsida (Dicots)
Order	Agaricales (Gilled Mushrooms)	Rosales (Roses & Allies)
Family	Agaricaceae (Agarics)	Rosaceae (Rose Family)
Genus	Amanita (Amanitas)	Rosa (Roses)
Species	Amanita muscaria	Rafflesia arnoldii

Conservation Status

Fly Agaric

LC — Least Concern

Trend: Stable →

Rafflesia

EN — Endangered

Trend: Decreasing ↓

Physical Characteristics

Attribute	Fly Agaric	Rafflesia
Diet	Decomposer	Parasite
Average Lifespan	1 years	5 years
Average Length	20 cm	1.0 m
Average Weight	100 g	11.0 kg

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).

Rafflesia

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Indonesia and Malaysia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Rafflesia

Rafflesia arnoldii produces the world's largest individual flower, up to 1 meter in diameter. It is a parasitic plant with no roots, stems, or leaves.