Large False Serotine vs Medusa Brittlestem

Hesperoptenus tomesi compared with Psathyrella caput-medusae

Key Differences

• Large False Serotine is Vulnerable while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Large False Serotine	Medusa Brittlestem
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Chiroptera (Bats)	Agaricales (Gilled Mushrooms)
Family	Vespertilionidae	Psathyrellaceae
Genus	Hesperoptenus	Psathyrella
Species	Hesperoptenus tomesi	Psathyrella caput-medusae

Conservation Status

Large False Serotine

VU — Vulnerable

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Large False Serotine	Medusa Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large False Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.