Black Stubble Lichen vs Chalk Maple

Calicium abietinum compared with Acer leucoderme

Key Differences

• Black Stubble Lichen is Endangered while Chalk Maple is Least Concern.

Taxonomic Classification

Rank	Black Stubble Lichen	Chalk Maple
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Magnoliopsida (Dicots)
Order	Caliciales (Caliciales)	Sapindales (Sapindales)
Family	Caliciaceae	Sapindaceae
Genus	Calicium	Acer
Species	Calicium abietinum	Acer leucoderme

Conservation Status

Black Stubble Lichen

EN — Endangered

Chalk Maple

LC — Least Concern

Physical Characteristics

Attribute	Black Stubble Lichen	Chalk Maple
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.

Chalk Maple

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.

Chalk Maple

The Chalk Maple (Acer leucoderme) is a species in the genus Acer. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.