Caesar's Amanita vs Medusa Brittlestem

Amanita caesarea compared with Psathyrella caput-medusae

Key Differences

• Caesar's Amanita is Least Concern while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Caesar's Amanita	Medusa Brittlestem
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	Agaricaceae (Agarics)	Psathyrellaceae
Genus	Amanita (Amanitas)	Psathyrella
Species	Amanita caesarea	Psathyrella caput-medusae

Evolutionary Relationship

Caesar's Amanita and Medusa Brittlestem share a common ancestor at the Order level: Agaricales. (Gilled Mushrooms)

Conservation Status

Caesar's Amanita

LC — Least Concern

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Caesar's Amanita	Medusa Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caesar's Amanita

Habitat

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

Range

Distributed across Belgium, Taiwan, and United States.

Medusa Brittlestem

Habitat

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

Range

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

Caesar's Amanita

The Caesar's Amanita (Amanita caesarea) is a species in the genus Amanita. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.