Alpine Foam Lichen vs Woolly Foam

Stereocaulon alpinum compared with Stereocaulon tomentosum

Key Differences

• Alpine Foam Lichen is Data Deficient while Woolly Foam is Endangered.

Taxonomic Classification

Rank	Alpine Foam Lichen	Woolly Foam
Kingdom same	Fungi (เห็ดรา)	Fungi (เห็ดรา)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Lecanorales (Lecanorales)	Lecanorales (Lecanorales)
Family same	Stereocaulaceae	Stereocaulaceae
Genus same	Stereocaulon	Stereocaulon
Species	Stereocaulon alpinum	Stereocaulon tomentosum

Evolutionary Relationship

Alpine Foam Lichen and Woolly Foam share a common ancestor at the Genus level: Stereocaulon.

Conservation Status

Alpine Foam Lichen

DD — Data Deficient

Woolly Foam

EN — Endangered

Physical Characteristics

Attribute	Alpine Foam Lichen	Woolly Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Foam Lichen

Habitat

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

Range

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

Woolly Foam

Habitat

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

Range

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

Alpine Foam Lichen

The Alpine Foam Lichen (Stereocaulon alpinum) is a species in the genus Stereocaulon. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Denmark, Norway, Sweden, and United States.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States