vs Caucasian Alder

Biddulphia rhombus compared with Alnus subcordata

Key Differences

• is Not Evaluated while Caucasian Alder is Least Concern.

Taxonomic Classification

Rank		Caucasian Alder
Kingdom	Chromista (Chromista)	Plantae (Plants)
Phylum	Ochrophyta (Ochrophyta)	Magnoliophyta (Flowering Plants)
Class	Bacillariophyceae (Bacillariophyceae)	Magnoliopsida (Dicots)
Order	Biddulphiales (Biddulphiales)	Fagales (Beeches & Oaks)
Family	Biddulphiaceae	Betulaceae
Genus	Biddulphia	Alnus
Species	Biddulphia rhombus	Alnus subcordata

Conservation Status

NE — Not Evaluated

Caucasian Alder

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Habitat

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

Range

Distributed across Denmark, Sweden, and Taiwan.

Caucasian Alder

Habitat

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

Biddulphia rhombus is a centric marine diatom with a distinctly bipolar, rhomboid to broadly lanceolate valve shape bearing prominent horn-like elevations. It inhabits coastal planktonic and benthic environments in temperate to warm seas worldwide. This photosynthetic diatom contributes to marine primary production in neritic coastal waters.

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.