Autumn Snowflake vs Ray's Knotgrass

Acis autumnalis compared with Polygonum oxyspermum

Key Differences

• Autumn Snowflake is Least Concern while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Autumn Snowflake	Ray's Knotgrass
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Asparagales (Asparagales)	Caryophyllales (Caryophyllales)
Family	Amaryllidaceae	Polygonaceae
Genus	Acis	Polygonum
Species	Acis autumnalis	Polygonum oxyspermum

Evolutionary Relationship

Autumn Snowflake and Ray's Knotgrass share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Autumn Snowflake

LC — Least Concern

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Autumn Snowflake	Ray's Knotgrass
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.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway