Autumn Snowflake vs cavernous crystalwort

Acis autumnalis compared with Riccia cavernosa

Key Differences

Autumn Snowflake is Least Concern while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	Autumn Snowflake	cavernous crystalwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Liliopsida (Monocots)	Marchantiopsida (Marchantiopsida)
Order	Asparagales (Asparagales)	Marchantiales (Marchantiales)
Family	Amaryllidaceae	Ricciaceae
Genus	Acis	Riccia
Species	Acis autumnalis	Riccia cavernosa

Evolutionary Relationship

Autumn Snowflake and cavernous crystalwort share a common ancestor at the Kingdom level: Plantae. (Plants)

View Kingdom: Plantae

Conservation Status

Autumn Snowflake

LC — Least Concern

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	Autumn Snowflake	cavernous crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Autumn Snowflake

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found in Norway.

cavernous crystalwort

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Autumn Snowflake

The Autumn Snowflake (Acis autumnalis) is a species in the genus Acis. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.