Caucasian Alder vs Elm Leech

Alnus subcordata compared with Hypsizygus ulmarius

Key Differences

• Caucasian Alder is Least Concern while Elm Leech is Critically Endangered.

Taxonomic Classification

Rank	Caucasian Alder	Elm Leech
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Magnoliopsida (Dicots)	Agaricomycetes (Mushrooms)
Order	Fagales (Beeches & Oaks)	Agaricales (Gilled Mushrooms)
Family	Betulaceae	Lyophyllaceae
Genus	Alnus	Hypsizygus
Species	Alnus subcordata	Hypsizygus ulmarius

Conservation Status

Caucasian Alder

LC — Least Concern

Elm Leech

CR — Critically Endangered

Physical Characteristics

Attribute	Caucasian Alder	Elm Leech
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Alder

Habitat

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

Elm Leech

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

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.

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.