Black Crystalwort vs Violet Crystalwort

Riccia nigrella compared with Riccia huebeneriana

Key Differences

• Black Crystalwort is Not Evaluated while Violet Crystalwort is Endangered.

Taxonomic Classification

Rank	Black Crystalwort	Violet 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 huebeneriana

Evolutionary Relationship

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

Conservation Status

Black Crystalwort

NE — Not Evaluated

Violet Crystalwort

EN — Endangered

Physical Characteristics

Attribute	Black Crystalwort	Violet 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.

Violet Crystalwort

Habitat

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

Range

Found across Europe (6 countries) and North America (United States). 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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal