Red Beard Lichen vs

Usnea rubicunda compared with Usnea cornuta

Key Differences

• Red Beard Lichen is Not Evaluated while is Near Threatened.

Taxonomic Classification

Rank	Red Beard Lichen
Kingdom same	Fungi (فطر)	Fungi (فطر)
Phylum same	Ascomycota (فطريات زقية)	Ascomycota (فطريات زقية)
Class same	Lecanoromycetes (لقنورانية)	Lecanoromycetes (لقنورانية)
Order same	Lecanorales (لقنوريات)	Lecanorales (لقنوريات)
Family same	Parmeliaceae	Parmeliaceae
Genus same	Usnea	Usnea
Species	Usnea rubicunda	Usnea cornuta

Evolutionary Relationship

Red Beard Lichen and share a common ancestor at the Genus level: Usnea.

Conservation Status

Red Beard Lichen

NE — Not Evaluated

NT — Near Threatened

Physical Characteristics

Attribute	Red Beard Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red Beard Lichen

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal, Sweden), North America (United States), and South America (Colombia).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden