Brown Ear vs Caucasian Alder

Otidea cochleata compared with Alnus subcordata

Key Differences

• Brown Ear is Vulnerable while Caucasian Alder is Least Concern.

Taxonomic Classification

Rank	Brown Ear	Caucasian Alder
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Pezizomycetes (Pezizomycetes)	Magnoliopsida (Dicots)
Order	Pezizales (Pezizales)	Fagales (Beeches & Oaks)
Family	Otideaceae	Betulaceae
Genus	Otidea	Alnus
Species	Otidea cochleata	Alnus subcordata

Conservation Status

Brown Ear

VU — Vulnerable

Caucasian Alder

LC — Least Concern

Physical Characteristics

Attribute	Brown Ear	Caucasian Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Ear

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Caucasian Alder

Habitat

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

Brown Ear

The Brown Ear (Otidea cochleata) is a species in the genus Otidea. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Caucasian Alder

The Caucasian Alder (Alnus subcordata) 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.