Black Stubble Lichen vs Rock Nail

Calicium abietinum compared with Calicium corynellum

Key Differences

• Black Stubble Lichen is Endangered while Rock Nail is Not Evaluated.

Taxonomic Classification

Rank	Black Stubble Lichen	Rock Nail
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Caliciales (Caliciales)	Caliciales (Caliciales)
Family same	Caliciaceae	Caliciaceae
Genus same	Calicium	Calicium
Species	Calicium abietinum	Calicium corynellum

Evolutionary Relationship

Black Stubble Lichen and Rock Nail share a common ancestor at the Genus level: Calicium.

Conservation Status

Black Stubble Lichen

EN — Endangered

Rock Nail

NE — Not Evaluated

Physical Characteristics

Attribute	Black Stubble Lichen	Rock Nail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Stubble Lichen

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Rock Nail

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Black Stubble Lichen

The Black Stubble Lichen (Calicium abietinum) is a species in the genus Calicium. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region, found across Colombia, Denmark, Norway, Portugal, Sweden, and more.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden