Brook Alder vs Duckweed

Alnus maritima compared with Lemna perpusilla

Key Differences

Brook Alder is Endangered while Duckweed is Least Concern.

Taxonomic Classification

Rank	Brook Alder	Duckweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Fagales (Beeches & Oaks)	Alismatales (Alismatales)
Family	Betulaceae	Araceae
Genus	Alnus	Lemna
Species	Alnus maritima	Lemna perpusilla

Evolutionary Relationship

Brook Alder and Duckweed share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

View Phylum: Magnoliophyta

Conservation Status

Brook Alder

EN — Endangered

Duckweed

LC — Least Concern

Physical Characteristics

Attribute	Brook Alder	Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Alder

Habitat

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

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (7 countries), Asia (7 countries), Europe (4 countries), North America (5 countries), Oceania and the Pacific (5 countries), and South America (5 countries).

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.