Medusa Brittlestem vs Zwerg-Mürbling

Psathyrella caput-medusae compared with Psathyrella pygmaea

Key Differences

• Medusa Brittlestem is Endangered while Zwerg-Mürbling is Least Concern.

Taxonomic Classification

Rank	Medusa Brittlestem	Zwerg-Mürbling
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 pygmaea

Evolutionary Relationship

Medusa Brittlestem and Zwerg-Mürbling share a common ancestor at the Genus level: Psathyrella.

Conservation Status

Medusa Brittlestem

EN — Endangered

Zwerg-Mürbling

LC — Least Concern

Physical Characteristics

Attribute	Medusa Brittlestem	Zwerg-Mürbling
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.

Zwerg-Mürbling

Habitat

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

Range

Distributed across Belgium, Brazil, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden