Bent Ring Lichen vs Chalk Maple

Arctoparmelia incurva compared with Acer leucoderme

Key Differences

• Bent Ring Lichen is Critically Endangered while Chalk Maple is Least Concern.

Taxonomic Classification

Rank	Bent Ring Lichen	Chalk Maple
Kingdom	Fungi (Fungi)	Plantae (planta)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Magnoliopsida (Dicots)
Order	Lecanorales (Lecanorales)	Sapindales (Sapindales)
Family	Parmeliaceae	Sapindaceae
Genus	Arctoparmelia	Acer
Species	Arctoparmelia incurva	Acer leucoderme

Conservation Status

Bent Ring Lichen

CR — Critically Endangered

Chalk Maple

LC — Least Concern

Physical Characteristics

Attribute	Bent Ring Lichen	Chalk Maple
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bent Ring Lichen

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 Critically 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.

Bent Ring Lichen

The Bent Ring Lichen (Arctoparmelia incurva) is a species in the genus Arctoparmelia. It is currently classified as Critically Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.