Autumn Snowflake vs Pixie Foam

Acis autumnalis compared with Stereocaulon pileatum

Key Differences

Autumn Snowflake is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Autumn Snowflake	Pixie Foam
Kingdom	Plantae (植物)	Fungi (真菌界)
Phylum	Magnoliophyta (木兰植物门)	Ascomycota (子囊菌门)
Class	Liliopsida (百合纲)	Lecanoromycetes (茶漬綱)
Order	Asparagales (天门冬目)	Lecanorales (茶漬目)
Family	Amaryllidaceae	Stereocaulaceae
Genus	Acis	Stereocaulon
Species	Acis autumnalis	Stereocaulon pileatum

Conservation Status

Autumn Snowflake

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Autumn Snowflake	Pixie Foam
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.

Pixie Foam

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically 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.