Arched Earthstar vs Autumn Snowflake

Geastrum fornicatum compared with Acis autumnalis

Key Differences

Arched Earthstar is Critically Endangered while Autumn Snowflake is Least Concern.

Taxonomic Classification

Rank	Arched Earthstar	Autumn Snowflake
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Magnoliophyta (Flowering Plants)
Class	Agaricomycetes (Mushrooms)	Liliopsida (Monocots)
Order	Geastrales (Geastrales)	Asparagales (Asparagales)
Family	Geastraceae	Amaryllidaceae
Genus	Geastrum	Acis
Species	Geastrum fornicatum	Acis autumnalis

Conservation Status

Arched Earthstar

CR — Critically Endangered

Autumn Snowflake

LC — Least Concern

Physical Characteristics

Attribute	Arched Earthstar	Autumn Snowflake
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arched Earthstar

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Autumn Snowflake

Habitat

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

Range

Found in Norway.

Arched Earthstar

The Arched Earthstar (Geastrum fornicatum) is a species in the genus Geastrum. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the.

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.