Black Stubble Lichen vs Redwood Stubble

Calicium abietinum compared with Calicium sequoiae

Taxonomic Classification

Rank	Black Stubble Lichen	Redwood Stubble
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 sequoiae

Evolutionary Relationship

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

Conservation Status

Black Stubble Lichen

EN — Endangered

Redwood Stubble

EN — Endangered

Physical Characteristics

Attribute	Black Stubble Lichen	Redwood Stubble
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.

Redwood Stubble

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.