Solitary Brittlestem vs Spotted Brittlestem

Psathyrella atomatoides compared with Psathyrella maculata

Key Differences

• Solitary Brittlestem is Data Deficient while Spotted Brittlestem is Vulnerable.

Taxonomic Classification

Rank	Solitary Brittlestem	Spotted Brittlestem
Kingdom same	Fungi (真菌界)	Fungi (真菌界)
Phylum same	Basidiomycota (担子菌门)	Basidiomycota (担子菌门)
Class same	Agaricomycetes (傘菌綱)	Agaricomycetes (傘菌綱)
Order same	Agaricales (伞菌目)	Agaricales (伞菌目)
Family same	Psathyrellaceae	Psathyrellaceae
Genus same	Psathyrella	Psathyrella
Species	Psathyrella atomatoides	Psathyrella maculata

Evolutionary Relationship

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

Conservation Status

Solitary Brittlestem

DD — Data Deficient

Spotted Brittlestem

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Solitary Brittlestem

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

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