Medusa Brittlestem vs Spotted Brittlestem

Psathyrella caput-medusae compared with Psathyrella maculata

Key Differences

• Medusa Brittlestem is Endangered while Spotted Brittlestem is Vulnerable.

Taxonomic Classification

Rank	Medusa Brittlestem	Spotted 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 same	Psathyrellaceae	Psathyrellaceae
Genus same	Psathyrella	Psathyrella
Species	Psathyrella caput-medusae	Psathyrella maculata

Evolutionary Relationship

Medusa Brittlestem and Spotted Brittlestem share a common ancestor at the Genus level: Psathyrella.

Conservation Status

Medusa Brittlestem

EN — Endangered

Spotted Brittlestem

VU — Vulnerable

Physical Characteristics

Attribute	Medusa Brittlestem	Spotted Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Spotted Brittlestem

Habitat

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

Range

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

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden