Black Crystalwort vs Purple Crystalwort

Riccia nigrella compared with Riccia beyrichiana

Key Differences

• Black Crystalwort is Not Evaluated while Purple Crystalwort is Vulnerable.

Taxonomic Classification

Rank	Black Crystalwort	Purple Crystalwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Marchantiophyta (liverwort)	Marchantiophyta (liverwort)
Class same	Marchantiopsida (Marchantiopsida)	Marchantiopsida (Marchantiopsida)
Order same	Marchantiales (Marchantiales)	Marchantiales (Marchantiales)
Family same	Ricciaceae	Ricciaceae
Genus same	Riccia	Riccia
Species	Riccia nigrella	Riccia beyrichiana

Evolutionary Relationship

Black Crystalwort and Purple Crystalwort share a common ancestor at the Genus level: Riccia.

Conservation Status

Black Crystalwort

NE — Not Evaluated

Purple Crystalwort

VU — Vulnerable

Physical Characteristics

Attribute	Black Crystalwort	Purple Crystalwort
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.

Purple Crystalwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Currently classified as Vulnerable 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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal