Black Stubble Lichen vs

Calicium abietinum compared with Calicium adspersum

Key Differences

• Black Stubble Lichen is Endangered while is Vulnerable.

Taxonomic Classification

Rank	Black Stubble Lichen
Kingdom same	Fungi (เห็ดรา)	Fungi (เห็ดรา)
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 adspersum

Evolutionary Relationship

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

Conservation Status

Black Stubble Lichen

EN — Endangered

VU — Vulnerable

Physical Characteristics

Attribute	Black Stubble Lichen
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.

Habitat

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

Range

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

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.

Calicium adspersum is a pin lichen in the family Caliciaceae, assessed as Vulnerable (VU). It grows on dry, sun-exposed bark of old trees, particularly in undisturbed, ancient woodland habitats. The species produces stalked apothecia containing a powdery mass of spores called mazaedium and is threatened by the loss of veteran trees.

Shared Countries

Both species can be found in 4 countries:

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