Brook Alder vs Scilly Pigmyweed

Alnus maritima compared with Crassula decumbens

Key Differences

• Brook Alder is Endangered while Scilly Pigmyweed is Not Evaluated.

Taxonomic Classification

Rank	Brook Alder	Scilly Pigmyweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Fagales (Beeches & Oaks)	Saxifragales (Saxifragales)
Family	Betulaceae	Crassulaceae
Genus	Alnus	Crassula
Species	Alnus maritima	Crassula decumbens

Evolutionary Relationship

Brook Alder and Scilly Pigmyweed share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Brook Alder

EN — Endangered

Scilly Pigmyweed

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Alder	Scilly Pigmyweed
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.

Scilly Pigmyweed

Habitat

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

Range

Distributed across Belgium, France, Netherlands, and United Kingdom.

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom