Bearded Tooth vs Brook-Side Alder

Hericium erinaceus compared with Alnus serrulata

Key Differences

Bearded Tooth is Critically Endangered while Brook-Side Alder is Least Concern.

Taxonomic Classification

Rank	Bearded Tooth	Brook-Side Alder
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Magnoliophyta (Flowering Plants)
Class	Agaricomycetes (Mushrooms)	Magnoliopsida (Dicots)
Order	Russulales (Russulales)	Fagales (Beeches & Oaks)
Family	Hericiaceae	Betulaceae
Genus	Hericium	Alnus
Species	Hericium erinaceus	Alnus serrulata

Conservation Status

Bearded Tooth

CR — Critically Endangered

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	Bearded Tooth	Brook-Side Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bearded Tooth

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

Range

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

Brook-Side Alder

Habitat

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

Range

Distributed across Canada and United States.

Bearded Tooth

The Bearded Tooth (Hericium erinaceus) is a species in the genus Hericium. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

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.