Black Crystalwort vs Brook Alder

Riccia nigrella compared with Alnus maritima

Key Differences

• Black Crystalwort is Not Evaluated while Brook Alder is Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Black Crystalwort

NE — Not Evaluated

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Black Crystalwort	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Crystalwort

Habitat

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

Range

Distributed across Chile, Japan, New Zealand, Norway, and Portugal.

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.

Black Crystalwort

The Black Crystalwort (Riccia nigrella) is a species in the genus Riccia. Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region. Distributed across Chile, Japan, New Zealand, Norway, and Portugal.

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.