vs Warty Beard Lichen

Usnea cornuta compared with Usnea ceratina

Key Differences

• is Near Threatened while Warty Beard Lichen is Extinct.

Taxonomic Classification

Rank		Warty Beard Lichen
Kingdom same	Fungi (เห็ดรา)	Fungi (เห็ดรา)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Lecanorales (Lecanorales)	Lecanorales (Lecanorales)
Family same	Parmeliaceae	Parmeliaceae
Genus same	Usnea	Usnea
Species	Usnea cornuta	Usnea ceratina

Evolutionary Relationship

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

Conservation Status

NT — Near Threatened

Warty Beard Lichen

EX — Extinct

Physical Characteristics

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

Habitat & Geographic Range

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.

Warty 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).

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