Alpine Foam Lichen vs Rock Foam

Stereocaulon alpinum compared with Stereocaulon saxatile

Key Differences

• Alpine Foam Lichen is Data Deficient while Rock Foam is Near Threatened.

Taxonomic Classification

Rank	Alpine Foam Lichen	Rock Foam
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
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 saxatile

Evolutionary Relationship

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

Conservation Status

Alpine Foam Lichen

DD — Data Deficient

Rock Foam

NT — Near Threatened

Physical Characteristics

Attribute	Alpine Foam Lichen	Rock 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.

Rock Foam

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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