Autumn Snowflake vs Slender Stonewort

Acis autumnalis compared with Nitella gracilis

Key Differences

Autumn Snowflake is Least Concern while Slender Stonewort is Vulnerable.

Taxonomic Classification

Rank	Autumn Snowflake	Slender Stonewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Charophyta (Charophyta)
Class	Liliopsida (Monocots)	Charophyceae (Charophyceae)
Order	Asparagales (Asparagales)	Charales (Charales)
Family	Amaryllidaceae	Characeae
Genus	Acis	Nitella
Species	Acis autumnalis	Nitella gracilis

Evolutionary Relationship

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

View Kingdom: Plantae

Conservation Status

Autumn Snowflake

LC — Least Concern

Slender Stonewort

VU — Vulnerable

Physical Characteristics

Attribute	Autumn Snowflake	Slender Stonewort
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.

Slender Stonewort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Denmark, Norway, Sweden), North America (United States), and South America (Brazil). Currently classified as Vulnerable 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.