Boreal Beard Lichen vs Brook Alder

Usnea subfloridana compared with Alnus maritima

Key Differences

• Boreal Beard Lichen is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Boreal Beard Lichen	Brook Alder
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Magnoliopsida (Dicots)
Order	Lecanorales (Lecanorales)	Fagales (Beeches & Oaks)
Family	Parmeliaceae	Betulaceae
Genus	Usnea	Alnus
Species	Usnea subfloridana	Alnus maritima

Conservation Status

Boreal Beard Lichen

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Boreal Beard Lichen	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Beard Lichen

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

Brook Alder

Habitat

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

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Boreal Beard Lichen

The Boreal Beard Lichen (Usnea subfloridana) is a species in the genus Usnea. It is currently classified as Least Concern on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.