Alpine Sulphur-Tresses vs Upper Crust

Alectoria ochroleuca compared with Amaurodon cyaneus

Key Differences

• Alpine Sulphur-Tresses is Least Concern while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Alpine Sulphur-Tresses	Upper Crust
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum	Ascomycota (Sac Fungi)	Basidiomycota (Club Fungi)
Class	Lecanoromycetes (Lecanoromycetes)	Agaricomycetes (Mushrooms)
Order	Lecanorales (Lecanorales)	Thelephorales (Thelephorales)
Family	Parmeliaceae	Thelephoraceae
Genus	Alectoria	Amaurodon
Species	Alectoria ochroleuca	Amaurodon cyaneus

Evolutionary Relationship

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

Conservation Status

Alpine Sulphur-Tresses

LC — Least Concern

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Alpine Sulphur-Tresses	Upper Crust
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.

Upper Crust

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable 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