Dune Brittlestem vs Medusa Brittlestem

Psathyrella ammophila compared with Psathyrella caput-medusae

Taxonomic Classification

Rank	Dune Brittlestem	Medusa Brittlestem
Kingdom same	Fungi (เห็ดรา)	Fungi (เห็ดรา)
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 ammophila	Psathyrella caput-medusae

Evolutionary Relationship

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

Conservation Status

Dune Brittlestem

EN — Endangered

Medusa Brittlestem

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Dune Brittlestem

Habitat

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

Range

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

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden