Medusa Brittlestem vs Slender Stump Brittlestem

Psathyrella caput-medusae compared with Psathyrella laevissima

Key Differences

• Medusa Brittlestem is Endangered while Slender Stump Brittlestem is Data Deficient.

Taxonomic Classification

Rank	Medusa Brittlestem	Slender Stump Brittlestem
Kingdom same	Fungi (Pilze)	Fungi (Pilze)
Phylum same	Basidiomycota (Ständerpilze)	Basidiomycota (Ständerpilze)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Agaricales (Champignonartige)	Agaricales (Champignonartige)
Family same	Psathyrellaceae	Psathyrellaceae
Genus same	Psathyrella	Psathyrella
Species	Psathyrella caput-medusae	Psathyrella laevissima

Evolutionary Relationship

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

Conservation Status

Medusa Brittlestem

EN — Endangered

Slender Stump Brittlestem

DD — Data Deficient

Physical Characteristics

Attribute	Medusa Brittlestem	Slender Stump 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.

Slender Stump Brittlestem

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden