Brook-Side Alder vs Brown Ear

Alnus serrulata compared with Otidea cochleata

Key Differences

Brook-Side Alder is Least Concern while Brown Ear is Vulnerable.

Taxonomic Classification

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

Conservation Status

Brook-Side Alder

LC — Least Concern

Brown Ear

VU — Vulnerable

Physical Characteristics

Attribute	Brook-Side Alder	Brown Ear
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook-Side Alder

Habitat

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

Range

Distributed across Canada and United States.

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.

Brook-Side Alder

The Brook-Side Alder (Alnus serrulata) 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.

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.