Alpine Sulphur-Tresses vs Medusa Brittlestem

Alectoria ochroleuca compared with Psathyrella caput-medusae

Key Differences

• Alpine Sulphur-Tresses is Least Concern while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Alpine Sulphur-Tresses	Medusa Brittlestem
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum	Ascomycota (Sac Fungi)	Basidiomycota (Club Fungi)
Class	Lecanoromycetes (Lecanoromycetes)	Agaricomycetes (Mushrooms)
Order	Lecanorales (Lecanorales)	Agaricales (Gilled Mushrooms)
Family	Parmeliaceae	Psathyrellaceae
Genus	Alectoria	Psathyrella
Species	Alectoria ochroleuca	Psathyrella caput-medusae

Evolutionary Relationship

Alpine Sulphur-Tresses and Medusa Brittlestem share a common ancestor at the Kingdom level: Fungi. (Fungi)

Conservation Status

Alpine Sulphur-Tresses

LC — Least Concern

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Alpine Sulphur-Tresses	Medusa Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Sulphur-Tresses

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Colombia, Norway, Sweden, and United States.

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.

Alpine Sulphur-Tresses

The Alpine Sulphur-Tresses (Alectoria ochroleuca) is a species in the genus Alectoria. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region. Distributed across Colombia, Norway, Sweden, and United States.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden