Alder vs Bent Ring Lichen

Alnus glutinosa compared with Arctoparmelia incurva

Key Differences

• Alder is Least Concern while Bent Ring Lichen is Critically Endangered.

Taxonomic Classification

Rank	Alder	Bent Ring Lichen
Kingdom	Plantae (نباتات)	Fungi (فطر)
Phylum	Magnoliophyta (كاسيات البذور)	Ascomycota (فطريات زقية)
Class	Magnoliopsida (ماغنولانية)	Lecanoromycetes (لقنورانية)
Order	Fagales (بلوطيات)	Lecanorales (لقنوريات)
Family	Betulaceae	Parmeliaceae
Genus	Alnus	Arctoparmelia
Species	Alnus glutinosa	Arctoparmelia incurva

Conservation Status

Alder

LC — Least Concern

Bent Ring Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Alder	Bent Ring Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (India, Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile).

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.

Alder

The Alder (Alnus glutinosa) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. 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.

Shared Countries

Both species can be found in 4 countries:

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