Autumn Snowflake vs

Acis autumnalis compared with Usnea cornuta

Key Differences

Autumn Snowflake is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	Autumn Snowflake
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Liliopsida (Monocots)	Lecanoromycetes (Lecanoromycetes)
Order	Asparagales (Asparagales)	Lecanorales (Lecanorales)
Family	Amaryllidaceae	Parmeliaceae
Genus	Acis	Usnea
Species	Acis autumnalis	Usnea cornuta

Conservation Status

Autumn Snowflake

LC — Least Concern

NT — Near Threatened

Physical Characteristics

Attribute	Autumn Snowflake
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.