Cauliflower Foam Lichen vs Woolly Foam

Stereocaulon botryosum compared with Stereocaulon tomentosum

Key Differences

• Cauliflower Foam Lichen is Least Concern while Woolly Foam is Endangered.

Taxonomic Classification

Rank	Cauliflower Foam Lichen	Woolly 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 botryosum	Stereocaulon tomentosum

Evolutionary Relationship

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

Conservation Status

Cauliflower Foam Lichen

LC — Least Concern

Woolly Foam

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Cauliflower Foam Lichen

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.

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.

Cauliflower Foam Lichen

The Cauliflower Foam Lichen (Stereocaulon botryosum) is a species in the genus Stereocaulon. 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.

Shared Countries

Both species can be found in 4 countries:

🇨🇴 Colombia 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States