Brown oak slender vs Warty Beard Lichen

Acrocercops brongniardella compared with Usnea ceratina

Key Differences

• Brown oak slender is Least Concern while Warty Beard Lichen is Extinct.

Taxonomic Classification

Rank	Brown oak slender	Warty Beard Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Lecanoromycetes (Lecanoromycetes)
Order	Lepidoptera (Butterflies & Moths)	Lecanorales (Lecanorales)
Family	Gracillariidae	Parmeliaceae
Genus	Acrocercops	Usnea
Species	Acrocercops brongniardella	Usnea ceratina

Conservation Status

Brown oak slender

LC — Least Concern

Warty Beard Lichen

EX — Extinct

Physical Characteristics

Attribute	Brown oak slender	Warty Beard Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown oak slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 countries).

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).

Brown oak slender

The Brown Oak Slender (Acrocercops brongniardella) is a species in the genus Acrocercops. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden