Brook Alder vs floating crystalwort

Alnus maritima compared with Riccia fluitans

Key Differences

• Brook Alder is Endangered while floating crystalwort is Near Threatened.

Taxonomic Classification

Rank	Brook Alder	floating crystalwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Magnoliopsida (Dicots)	Marchantiopsida (Marchantiopsida)
Order	Fagales (Beeches & Oaks)	Marchantiales (Marchantiales)
Family	Betulaceae	Ricciaceae
Genus	Alnus	Riccia
Species	Alnus maritima	Riccia fluitans

Evolutionary Relationship

Brook Alder and floating crystalwort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Brook Alder

EN — Endangered

floating crystalwort

NT — Near Threatened

Physical Characteristics

Attribute	Brook Alder	floating crystalwort
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.

floating crystalwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 1 countries:

🇧🇪 Belgium